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F3 Users Guide
Operation Manual
You must read the Usage and Safety Precautions before use.
©2022 ZOOM CORPORATION
Copying or reprinting this manual in part or in whole without permission is prohibited.
Product names, registered trademarks and company names in this document are the property of their respective companies. All trademarks and registered trademarks in this document are for identification purposes only and are not intended to infringe on the copyrights of their respective owners.
Proper display is not possible on grayscale devices.

Notes about this Operation Manual
You might need this manual in the future. Always keep it in a place where you can access it easily. The contents of this document and the specifications of the product could be changed without notice. · Windows® is a trademark or registered trademark of Microsoft® Corporation. · Mac, macOS, iPadOS and App Store are registered trademarks of Apple Inc. in the USA and other
countries. · iOS is a trademark or registered trademark of Cisco Systems, Inc. in the USA and other countries, and it
is used under license. · Android and Google Play are trademarks of Google LLC. · The microSD, microSDHC and microSDXC logos are trademarks. · The Bluetooth® word mark and logo are registered trademarks of Bluetooth SIG, Inc., and these marks
are used under license by Zoom Corporation. Other trademarks and trade names are the property of their respective companies. · Recording from copyrighted sources, including CDs, records, tapes, live performances, video works and broadcasts, without permission of the copyright holder for any purpose other than personal use is prohibited by law. Zoom Corporation will not assume any responsibility related to infringements of copyrights.
2

Contents
Notes about this Operation Manual........................................................................................................................ 2 F3 overview...................................................................................................................................................................5
Achieving high audio quality throughout recording and editing......................................................................... 5 Functions of parts........................................................................................................................................................9 Overview of screens that are shown..................................................................................................................... 14 Recording process..................................................................................................................................................... 21 Making preparations.................................................................................................................................................22 Inserting microSD cards........................................................................................................................................... 22 Supplying power........................................................................................................................................................ 23 Connecting input equipment...................................................................................................................................25 Turning the power on/off........................................................................................................................................ 27 Setting the display language (first time starting up)........................................................................................... 28 Setting the date and time (first time starting up)................................................................................................29 Preventing misoperation (hold function)...............................................................................................................30 Making input settings............................................................................................................................................... 31 Selecting inputs for making settings......................................................................................................................31 Turning inputs on/off................................................................................................................................................32 Setting input sources................................................................................................................................................ 33 Changing phantom power voltage......................................................................................................................... 35 Reducing noise (low-frequency cut)....................................................................................................................... 36 Inverting input phase................................................................................................................................................37 Applying delay to input signals............................................................................................................................... 38 Making output settings............................................................................................................................................ 39 Setting alert sound output through headphones................................................................................................39 Adjusting line output levels (playing test tones).................................................................................................. 41 Using the limiter on line output............................................................................................................................. 43 Applying delay to line output.................................................................................................................................. 44 Recording.................................................................................................................................................................... 45 Waveforms shown when recording....................................................................................................................... 45 Monitoring input/playback sounds.........................................................................................................................47 Making recording settings........................................................................................................................................48 Recording.................................................................................................................................................................... 56 Playing recordings..................................................................................................................................................... 57 Playing recordings..................................................................................................................................................... 57 Checking playback file information........................................................................................................................ 59 Deleting recording files............................................................................................................................................ 60 Managing files............................................................................................................................................................61 F3 folder and file structure......................................................................................................................................61 Selecting files for playback...................................................................................................................................... 62 Checking file information......................................................................................................................................... 63
3

Deleting files...............................................................................................................................................................64 Using as an audio interface.................................................................................................................................... 65
Installing drivers........................................................................................................................................................ 65 Connecting computers, smartphones and tablets.............................................................................................. 66 Making audio interface settings..............................................................................................................................70 Controlling the F3 from a smartphone/tablet...................................................................................................... 74 Disconnecting from a smartphone/tablet............................................................................................................. 75 Making various settings........................................................................................................................................... 76 Setting the type of batteries used..........................................................................................................................76 Setting the display backlight....................................................................................................................................78 Setting the display contrast.....................................................................................................................................79 Setting the display language................................................................................................................................... 80 Setting the date and time........................................................................................................................................81 Setting the date format............................................................................................................................................83 Setting the time until the power turns off automatically................................................................................... 85 When using timecode...............................................................................................................................................87 Timecode overview....................................................................................................................................................87 Connecting with an UltraSync BLUE...................................................................................................................... 89 Checking timecode information..............................................................................................................................91 Setting the time shown on the Home/Recording Screen................................................................................... 93 Exchanging data with computers........................................................................................................................... 95 Disconnecting a computer....................................................................................................................................... 96 Testing microSD cards..............................................................................................................................................97 Conducting a quick test............................................................................................................................................97 Conducting a full test............................................................................................................................................... 99 Formatting microSD cards..................................................................................................................................... 101 Restoring factory default settings........................................................................................................................ 102 Managing the firmware..........................................................................................................................................103 Checking the firmware versions........................................................................................................................... 103 Updating the firmware........................................................................................................................................... 103 Appendix................................................................................................................................................................... 104 Troubleshooting.......................................................................................................................................................104 Block diagram.......................................................................................................................................................... 106 Specifications........................................................................................................................................................... 107
4

F3 overview
Achieving high audio quality throughout recording and editing
With dual AD converter circuits and support for 32-bit float WAV files, the F3 can maintain the highest audio quality from recording to post-production.
Recording
Dual AD converter circuits enable recording the loudest to the quietest sounds without adjusting gain.
5

Post-production
Recording with 32-bit float WAV file formats allows the same audio quality to be retained when editing.

Dual AD converter circuit overview
For each input circuit, the F3 has two AD converters with different input gains. This design enables highquality audio recording without the need to adjust gain settings, a step that is normally indispensable.
Providing amazing dynamic range
By combining two AD converters, a wide dynamic range not possible with a single AD converter has been realized.
Conventional equipment Dual AD converters

Airplane Nearby thunder Train passing on tracks overhead
Inside train Shouting Grand piano
Noisy street Chimes Ordinary conversation

Low-gain AD converter
AD converter switches in response to input level
High-gain AD converter

Whispering Quiet library Late night in suburb

Input gain adjusted to desired recording volume

Wide dynamic range covered by two AD converters

6

Switching between two AD converters
The F3 constantly monitors data from the two AD converters, and automatically selects the one that provides the best recording results.

Low noise because high-gain AD converter selected

No clipping

Low noise

because low-gain

because high-gain

AD converter selected AD converter selected

7

32-bit float WAV file overview
32-bit float WAV files have the following advantages over conventional 16/24-bit linear WAV files. These features enable the quality of the sound during recording to be maintained even during postproduction.
Resolution advantage
32-bit float WAV files have the advantage of being able to maintain high resolution even at low volumes. As a result, quiet sounds can be made louder when editing after recording without degrading their quality.
 16/24-bit linear WAV

 32-bit float WAV

Raise volume

Resolution low

Raise volume

Resolution high

Clipping advantage
If a waveform sounds clipped when output from the F3 or in a DAW, it can be edited after recording to lower its volume and restore an unclipped waveform because the data in the 32-bit float WAV file itself is not clipped.

 16/24-bit linear WAV Clipped recording

Still clipped

Reduce volume

 32-bit float WAV Clipped recording

Not clipped anymore

Reduce volume

8

Functions of parts
Top and bottom
 Top

 Bottom

 PLAY button
This starts and pauses file playback.

 STOP button
This stops recording and playback.

 MENU button
This opens the Menu Screen and returns to the Home Screen.

 Display
This shows the recorder status and the Menu Screen.

 REC/HOLD switch
Use this to start recording and to disable button operation.

 REC LED
This lights during recording.



1/operation button

When the Home Screen is open, this adjusts the amplification of the Input 1 waveform.

When other screens are open, this operates the function of the icon shown at the bottom of the

screen. ( Operation button overview)



1/operation button

When the Home Screen is open, this is used to make Input 1 settings.

When other screens are open, this operates the function of the icon shown at the bottom of the

screen. ( Operation button overview)

9



2/operation button

When the Home Screen is open, this adjusts the amplification of the Input 2 waveform.

When other screens are open, this operates the function of the icon shown at the bottom of the

screen. ( Operation button overview)



2/operation button

When the Home Screen is open, this is used to make Input 2 settings.

When other screens are open, this operates the function of the icon shown at the bottom of the

screen. ( Operation button overview)

 Tripod mounting threads
This can be used to attach the F3 to a tripod, for example.

 Battery compartment cover
Open this when installing or removing AA batteries.

10

 Operation button overview
When operation icons appear at the bottom of the display, including on the Menu, Playback and Input Settings screens, the corresponding operation buttons (immediately below the icons) can be used to select and confirm items on the screen.
 Menu Screen example

 Operation icons
The icons shown differ according to the screen.



operation button

This returns to the previous screen.



operation button

This selects the item above.



operation button

This selects the item below.



operation button

This confirms the selected item.

Other operation icons will appear. Details about them are provided in the procedure explanations for various items.

 Note about how procedures are written in this operation manual

In this operation manual, the use of operation buttons in procedures is indicated using icons in the

following manner.

For example, "Use the operation buttons that correspond to

and

to select `Finder' and

press the operation button that corresponds to

to confirm the selected item" is abbreviated as

follows.

Use

/

to select "Finder", and press

to confirm.

11

Left and right sides
 Left side

 Right side

 USB port (Type-C)
Connect this to a computer, smartphone or tablet to use the F3 as an SD card reader or audio interface. This supports operation on USB bus power.
 microSD card slot
Insert a microSD card here.
 REMOTE connector
Connect a ZOOM BTA-1 or other dedicated wireless adapter here. This enables use of the F3 Control smartphone/tablet app to operate the F3 wirelessly. Moreover, it also enables input of SMPTE timecode to the F3 using an UltraSync BLUE made by Timecode Systems.
 POWER switch
This turns the power on/off.

12

Front and back
 Front

 Back

 LINE OUT jack
This stereo mini jack can be used to output sound.
 PHONE OUT jack
This can output sound to headphones.
 VOLUME buttons
Use these to adjust the headphone volume.
 Input 1
Connect a mic here. This can be used with XLR plugs.
 Input 2
Connect a mic here. This can be used with XLR plugs.

13

Overview of screens that are shown
This section explains the screens shown on the F3 display.
Home Screen
This appears on the display when the F3 power is turned on. This shows the recording state, input signal waveforms and other F3 conditions.
 Counter
This shows the available recording time when in recording standby and the current elapsed recording time when recording. The remaining available recording time can also be shown when recording. ( Setting the recording time display)
 Status icon
This icon shows the recording status. · : Stopped · : Recording
 Remaining battery charge indicator
When the remaining battery charge becomes low, change the batteries ( Installing batteries) or connect an AC adapter ( Connecting an AC adapter) or a mobile battery ( Using other power sources).
 Waveform display (Input 1)
This shows the waveform of the signal input through Input 1. ( Waveforms shown when recording
 Waveform display (Input 2)
This shows the waveform of the signal input through Input 2. ( Waveforms shown when recording
 Waveform magnification (Input 1)
This shows the magnification of the Input 1 waveform display. ( Waveforms shown when recording
 Input source (Input 1)
This shows the input source currently set for Input 1. ( Setting input sources)
14

 Waveform magnification (Input 2)
This shows the magnification of the Input 2 waveform display. ( Waveforms shown when recording
 Input source (Input 2)
This shows the input source currently set for Input 2. ( Setting input sources)

HINT:

When the Home Screen is not shown, press

to return to the Home Screen. This is convenient for

opening the Home Screen quickly from various settings screens. (Moving directly to the Home Screen from some screens is not possible.)

15

Playback Screen
This screen is shown on the display during playback. This shows the elapsed time, output signal waveforms and other F3 playback states.
 Status icon
This icon shows the playback status. · : Playing back · : Paused · : Searching backward · : Searching forward
 Counter
This shows the elapsed playback time.
 Remaining battery charge indicator
When the remaining battery charge becomes low, change the batteries ( Installing batteries) or connect an AC adapter ( Connecting an AC adapter) or a mobile battery ( Using other power sources).
 File format
This changes according to the format of the file playing back. ( Selecting the recording file format (Mono/Stereo)) · 1/2: File with recording of both Inputs 1 and 2 when "Recording" > "File Format" set to "Mono" · 1: File with recording of either Input 1 or 2 when "Recording" > "File Format" set to "Mono" · L/R: File with recording when "Recording" > "File Format" set to "Stereo"
 Waveform display
This shows the waveform of the recording file that is playing back.
 Playback position bar
This shows the current playback position.
16

 Operation icons
Search forward/backward, delete files and view information by pressing the operation buttons below the display that correspond to these icons. ( Operation button overview)
 Marker bar
This shows where a mark has been added to the playback file. NOTE: Marks can only be added by using the dedicated app on a smartphone or tablet. A BTA-1 or other dedicated wireless adapter is necessary to use the app on the smartphone/tablet for control. See the F3 Control operation manual for detailed explanations about marks.
17

Menu Screen
Use the Menu Screen to make various settings, including recording, output and system settings.

 Menu title
 Menu items
These show setting items and values and other information.
 Operation icons
Press the operation buttons below the display that correspond to these icons to select menu items and confirm selected items. ( Operation button overview)
 Remaining battery charge indicator
When the remaining battery charge becomes low, change the batteries ( Installing batteries) or connect an AC adapter ( Connecting an AC adapter) or a mobile battery ( Using other power sources).

 Scrollbar
This will appear when there are more items than will fit on the display.

 Opening the Menu Screen

1. Press

when the Home Screen is open.

HINT:

When the Home Screen is not shown, press

to return to the Home Screen. This is convenient for

opening the Home Screen quickly from various settings screens. (Moving directly to the Home Screen from some screens is not possible.)

18

Character input screen

A character input screen will appear for inputting the User Defined Name used for the Rec File Name setting. Use the operation buttons below the display to input characters.

1. Use

and

to move the cursor (

or execute the selected function.

), and press

to input the selected character

 Character input position
The character will be input at this position.
 Character input area
This shows the input characters.
 Character selection area
Select characters to input here.
 Change character type
This changes the characters that can be selected in the character selection area.
 Delete character  Move character input position  Confirm input text  Operation icons
Press the operation buttons below the display that correspond to these icons to input characters and execute selected functions.
19

2. Repeat step 1 to input more characters. When done inputting, use

/

to select "Enter"

and use

to confirm.

NOTE: The characters and symbols that can be used are as follows. ! # $ ' ( ) + , - ; = @ [ ] ^ _ ` { } ~ (space) A-Z, a-z, 0-9

20

Recording process

Recording follows the process shown below.

Preparation before recording

· Insert a microSD card ( Inserting microSD cards) · Supply power ( Installing batteries/ Connecting an AC adapter) · Connect mics/other equipment to inputs ( Connecting input
equipment)
· Turn the power on ( Turning the power on) · Make settings related to input ( Making input settings) · Make settings related to recording ( Making recording settings)

Recording

· Use Recording

to start recording and press

to stop (

Playing back and reviewing

· Press

to start playback and press

recordings

to stop ( Playing

21

Making preparations
Inserting microSD cards
1. When the power is off, open the microSD card slot cover, and insert a microSD card all the way into
the slot.
To remove a microSD card, push it further into the slot and then pull it out.
2. Close the microSD slot cover.
NOTE: · Always make certain that the power is off when inserting or removing a microSD card. Inserting or removing a card while the power is on could result in data loss. · When inserting a microSD card, be sure to insert the correct end with the top side up. · Recording and playback are not possible when a microSD card is not loaded in the F3. · After purchasing a new microSD card, always format it using the F3 to maximize performance. ( Formatting microSD cards)
22

Supplying power

The F3 can operate using either a power supply connected to its USB port (AC adapter, USB bus power or mobile battery) or batteries. A power supply connected to the USB port will be given priority over batteries.

Installing batteries

To run the F3 using batteries, install 2 AA batteries in the battery compartment. Open the cover on the

bottom by sliding it while pressing

.

NOTE:
· Use only one type of battery (alkaline, NiMH or lithium) at a time.
· Set the type of battery used correctly so that the amount of remaining battery charge can be shown accurately. ( Setting the type of batteries used)
· If the battery charge becomes low, turn the power off immediately and install new batteries. The remaining battery charge is always shown (on most screens) when operating on battery power.

23

Connecting an AC adapter
Connect the cable of the dedicated AC adapter (AD-17) to the Type-C USB port, and connect the AC adapter to an outlet.
USB (Type-C)
Using other power sources
The F3 can be powered by USB bus power by connecting its Type-C USB port to a computer. A 5V mobile battery (commercially-available) can also be used to provide power.
USB (Type-C)
24

Connecting input equipment
Connecting mics and other equipment to Inputs 1 and 2
The F3 has 2 inputs (1 and 2) that can be used to record to corresponding tracks. Mics and other equipment can be connected to Inputs 1 and 2 and recorded to corresponding tracks.
 Connecting mics
Connect dynamic and condenser mics with XLR plugs to Inputs 1 and 2.
· When connecting mics, set the Input Source to Mic. ( Setting input sources) · Phantom power (+24 V/+48 V) can be supplied to condenser mics. ( Setting input sources)
 Connecting line level equipment
Mixers and other line level equipment can be connected using cables with XLR plugs.
· When connecting line level equipment, set the Input Source to Line. ( Setting input sources) · Direct input of passive guitars and basses is not supported. Connect these instruments through a mixer
or effects device.
25

Connection examples
Recording is possible in the following kinds of situations.
 While filming
Wireless lavalier mics can be used to record sound during video recording.
 Concert recording
Two mics can be used to record sound in stereo.
26

Turning the power on/off

Turning the power on

1. Press and hold .

Confirm that

has not been set to "HOLD". If it is shifted to "HOLD", the F3 power cannot be

turned on. ( Preventing misoperation (hold function))

This turns the F3 power on and opens the Home Screen ( Home Screen) on the display.

The first time the power is turned on after purchase, as well as after the F3 has been restored to its factory default settings, screens to set the display language and the date and time will appear. Make these settings. ( Setting the display language (first time starting up), Setting the date and time (first time starting up))
NOTE:
· The F3 can be set to automatically turn its power off if it is not used for a set amount of time. ( Setting the time until the power turns off automatically)
· If "No SD Card!" appears on the display, confirm that a microSD card is inserted properly. ( Inserting microSD cards)
· If "Invalid SD Card!" appears on the display, the card is not formatted correctly. Format the microSD card or use a different microSD card. ( Formatting microSD cards, Inserting microSD cards)

 Turning the power off

1. Press

until "Goodbye! See You!" appears on the display.

The display becomes blank and the power turns off.

NOTE: When the power is turned off, the current mixer settings are saved on the F3.

27

Setting the display language (first time starting up)

The first time the power is turned on after purchase, set the display language when the Language Screen opens.

1. Use

/

to select the display language and press

to confirm.

After confirming the language used on the display, set the date and time when the Set Date/Time screen opens. ( Setting the date and time (first time starting up))
HINT: The display language setting can also be changed later from the Menu Screen. ( Setting the display language)

28

Setting the date and time (first time starting up)

The first time the power is turned on after purchase, after setting the display language, set the date and time when the Set Date/Time Screen opens. The date and time are added to recording files.

1. Use

and

to select the item to set and press

to confirm.

2. Use

and

to change the value and press

to confirm.

3. Repeat steps 1­2 to set the date and time.

4. After setting all items, use

and

to select

, and press

to confirm.

NOTE: If power is not supplied for a long time, the date and time data stored in the unit will be reset. If the Set Date/Time Screen appears during startup, set them again.
HINT: The date and time setting can also be changed later from the Menu Screen. ( Setting the date and time)

29

Preventing misoperation (hold function)

In order to prevent misoperation, the hold function can be used to disable the buttons on the F3.

1. Slide

to HOLD.

If the HOLD function is on, all operations using buttons will be disabled.

To deactivate the hold function, slide

back to the center position.

HINT:

· When

is shifted to "HOLD", the F3 power cannot be turned on. This is useful to prevent the

F3 power from being turned on accidentally.

· When disabling the hold function, recording will not start or stop even if

is shifted to "REC".

30

Making input settings

Selecting inputs for making settings

Input settings can be made for each input separately. Select the input desired for making input settings.

1. Press

for the input desired for making settings.

·

: Open the settings screen for Input 1.

·

: Open the settings screen for Input 2.

NOTE: On each Input Settings Screen, only sound from that input can be monitored (only the signal output from the PHONE OUT jack).

The following parameters can be set for each input.

On/Off Source

Item

Phantom Volt.

Explanation
This turns the input on or off. ( Turning inputs on/off) This sets the input source and phantom power on/off status of the track. ( Setting input sources) The voltage of the phantom power can be changed. ( Changing phantom power voltage)

The high pass filter can cut low frequencies to reduce the sound of

HPF

wind, vocal pops and other noise. ( Reducing noise (low-frequency

cut))

Invert Phase

The phase of input signals can be inverted. This is useful when sounds cancel each other out due to mic settings. ( Inverting input phase)

Delay

If there are differences in the timing of input sounds, use this function to correct them when recording. ( Applying delay to input signals)

31

Turning inputs on/off

Each input can be turned on/off. Turning unused inputs off can increase the length of continuous operation using batteries. The amount of microSD card use can also be reduced.

1. Press

for the input to set. ( Selecting inputs for making settings)

This opens the Input Settings Screen.

2. Use

/

to select "On/Off" and press

to confirm.

3. Use

/

to select "On" or "Off" and press

to confirm.

Waveforms for inputs that are set to "Off" will stop being shown on the Home Screen. Example: Input 2 set to "Off"

NOTE: If the File Format setting is "Stereo" ( Selecting the recording file format (Mono/Stereo)), the Input "On/Off" setting will be the same for both Inputs 1 and 2.

32

Setting input sources

The input source and phantom power on/off status can be set for each track.

1. Press

for the input to set. ( Selecting inputs for making settings)

This opens the Input Settings Screen.

2. Use

/

to select "Source" and press

to confirm.

3. Use

/

to select the source and press

to confirm.

Item Mic Mic (+48V) Line Line (+48V)

Explanation
Use when connecting a mic or other equipment with a low input level.
Use when connecting equipment with mic level input that requires phantom power.
Use when connecting line level equipment. The input level will be reduced 20 dB compared to when "Mic" or "Mic (+48V)" is selected.
Use when connecting equipment with line level input that requires phantom power.

NOTE: · When connecting equipment that is not compatible with phantom power, do not set this to "Mic (+48V)" or "Line (+48V)". Doing so could damage the equipment. · Item names will change to reflect the "Phantom Volt." Setting. ( Changing phantom power voltage)

33

HINT: · The phantom power voltage can be changed. ( Changing phantom power voltage) · When using only Input 1 or Input 2, making the following settings can increase battery operation time and reduce microSD card use. Turn off the input not being used. ( Turning inputs on/off) Set the Recording File Format to Mono. ( Selecting the recording file format (Mono/Stereo))
34

Changing phantom power voltage

The phantom power voltage can be changed by selecting +24V or +48V. The selected voltage setting will be applied to both Input 1 and Input 2.

1. Press

for Input 1 or Input 2. ( Selecting inputs for making settings)

This opens the Input Settings Screen.

2. Use

/

to select "Phantom Volt." and press

to confirm.

3. Use

/

to select the voltage and press

to confirm.

HINT:
· Phantom power is a function that supplies power to equipment that uses an external power supply, including some condenser mics. The standard power is +48V, but some equipment can operate with lower voltages.
· By setting the phantom power voltage to +24V when using mics that can operate on this voltage, continuous battery operation time can be lengthened.

35

Reducing noise (low-frequency cut)

Low frequencies can be cut to reduce the sound of wind, vocal pops and other noise.

1. Press

for the input to set. ( Selecting inputs for making settings)

This opens the Input Settings Screen.

2. Use

/

to select "HPF" and press

to confirm.

3. Use

and

to select the cut-off frequency, and press

to confirm.

HINT: This can be set to "Off" or in a range of 10­240 Hz.

36

Inverting input phase

The phase of input signals can be inverted. If sounds are canceling each other due to mic settings, inverting the phase might prevent this phenomenon.

1. Press

for the input to set. ( Selecting inputs for making settings)

This opens the Input Settings Screen.

2. Use

/

to select "Invert Phase" and press

to confirm.

3. Use

/

to select "On" and press

to confirm.

37

Applying delay to input signals

If there are differences in the timing of input signal sounds, use this function to adjust the timing to the delayed signal by adjusting the delay time.

1. Press

for the input to set. ( Selecting inputs for making settings)

This opens the Input Settings Screen.

2. Use

/

to select "Delay" and press

to confirm.

3. Use

/

to set the delay time and press

to confirm.

NOTE: If the sample rate is 192 kHz, delay will be disabled. ( Setting the sample rate)
HINT: This can be set from 0.0 ms to 30.0 ms.

38

Making output settings

Setting alert sound output through headphones

The volume can be adjusted for the alert sounds output from headphones when, for example, recording starts and stops.

1. Press

.

This opens the Menu Screen.

2. Use

/

to select "Output" and press

to confirm.

3. Use

/

to select "HP Alert Vol" and press

to confirm.

4. Use

/

to adjust the volume and press

to confirm.

HINT: · This can be set to "Off" or set from -48 to -12 dBFS. · When set to "Off", no alerts will be output.

39

 Alert sound conditions and types

Alert sound condition

Remaining battery low

880 Hz tone 4 times

Recording starting

1000 Hz tone 1 time

Recording stopping

880 Hz tone 2 times

Recording not possible

880 Hz tone 3 times

Sound type

40

Adjusting line output levels (playing test tones)
The line output levels to connected equipment can be adjusted. Test tones can be played in order to adjust the levels for a digital SLR camera or other equipment.
1. Minimize the input gain of the other equipment. 2. Use an audio cable to connect the external mic jack of the other equipment with the F3 LINE OUT jack.

NOTE: When output to a digital SLR camera or other equipment is not necessary, do not connect anything to the LINE OUT jack. When nothing is connected to the LINE OUT jack, the line output function is automatically disabled, which could lengthen continuous battery operation time.

3. Use

/

to select "Output" and press

to confirm.

4. Use

/

to select "Line Out Level" and press

to confirm.

To output a test tone from the F3 to adjust the output level, skip to step 6.

5. Use

/

to adjust the line output level and press

to confirm.

41

HINT: · This can be set to "Mute" or from ­48 dB to +24 dB. · When "Mute" is selected, output from the LINE OUT jack is muted.

6. To output a test tone from the F3 to adjust the output level, press

.

While checking the audio level meter of the connected equipment, make adjustments to the input gain of that device until the audio signal level is about -6 dB.

HINT: The test tone is a 1kHz sine wave at -6 dBFS.

7. After adjusting the input gain of the connected equipment, press

.

This stops test tone output.

NOTE: · See the manual of the connected device for information about its operation. · If the automatic gain control function on the other device is on, turn it off. · The test tone is output from both the LINE OUT and PHONE OUT jacks. · Be careful with the volume if you are monitoring the sound with headphones, for example.

42

Using the limiter on line output

By using the limiter on the line output, signals with levels that are too high can be suppressed, protecting equipment connected to the line output jack.

1. Press

.

This opens the Menu Screen.

2. Use

/

to select "Output" and press

to confirm.

3. Use

/

to select "Line Out Limiter" and press

to confirm.

4. Use

/

to select "On" and press

to confirm.

43

Applying delay to line output

By delaying line output, timing differences for audio input into other equipment can be corrected.

1. Press

.

This opens the Menu Screen.

2. Use

/

to select "Output" and press

to confirm.

3. Use

/

to select "Line Out Delay" and press

to confirm.

4. Use

/

to set the delay time and press

to confirm.

NOTE: Line out delay is disabled when the sample rate is 192 kHz. ( Setting the sample rate)
HINT: This can be set from 0 ms to 400 ms.

44

Recording

Waveforms shown when recording

The F3 records in 32-bit float format, so the input gain does not need to be adjusted. Depending on the input signals, however, waveforms shown on the display could appear too small or too large, making them difficult to check. By changing the waveform display magnification, input waveforms can be adjusted to sizes that are easy to check. The magnification rate can be set separately for each input. The volume will also be changed according to the waveform magnification rate.

1. Press

for the input desired for making settings.

·

: Use this to set Input 1.

·

: Use this to set Input 2.

Icons to decrease/increase (

/

) the magnification for that input will appear.

45

2. Use

and

to adjust the input signal waveform to a size that is easy to check.

The magnification rate (

) is shown above

and

.

NOTE: · The magnification rate can be set in 11 steps: ×1 , ×2, ×4, ×8, ×16, ×32, ×64, ×128, ×256, ×512 and ×1024. · Be careful with the volume if you are monitoring the input sound with headphones, for example. · Changing the magnification rate, even in the middle of recording, will not affect the recording level.

46

Monitoring input/playback sounds
Input/playback sounds can be monitored using headphones, for example, and the volume can be adjusted.
1. Connect headphones, for example, to the PHONE OUT jack.

2. Use

to adjust the volume to the headphones or other equipment.

The volume is shown on the display while it is being adjusted.

NOTE: When monitoring with headphones or other equipment is not necessary, do not connect anything to the PHONE OUT jack. When nothing is connected to the PHONE OUT jack, the headphone monitoring function is automatically disabled, which could lengthen continuous battery operation time.
HINT: The volume output from the PHONE OUT jack is also affected by changing the waveform display magnification. ( Waveforms shown when recording) Adjust the waveform display magnification before adjusting the headphone volume.

47

Making recording settings

Setting the recording file name format

Set the recording file name format.

1. Press

.

This opens the Menu Screen.

2. Use

/

to select "Recording" and press

to confirm.

3. Use

/

to select "Rec File Name" and press

to confirm.

4. Use

and

to select the how files are named, and press

to confirm.

Date

Item

User Defined Name

Explanation
Files are named with a "date_take number" format. The format of the date follows the "Date/Time" setting. ( Setting the date format) Example: 210101_001.WAV
Files are named with a "user input text_take number" format. Example: ZOOM_001.WAV

NOTE: If the "File Format" is set to "Mono" ( Selecting the recording file format (Mono/Stereo)), "_Tr1" (Input 1 recording file) or "_Tr2" (Input 2 recording file) will be added after the take numbers in the file names.

48

5. If "User Defined Name" was selected, use

,

and

to input the characters used

for file names.

See "Character input screen" for how to input characters.
NOTE: · Spaces and @ marks cannot be used at the beginnings of character strings. · If no characters are input, file names will be only take numbers.

49

Setting the sample rate

The sample rate used to record files can be set.

1. Press

.

This opens the Menu Screen.

2. Use

/

to select "Recording" and press

to confirm.

3. Use

/

to select "Sample Rate" and press

to confirm.

4. Use

/

to select the sample rate and press

to confirm.

The following sample rates can be selected. 44.1kHz, 48kHz, 88.2kHz, 96kHz, 192kHz
NOTE: · 32-Bit float is always used for the recording bit depth. · When 192kHz is selected, input signal delay ( Applying delay to input signals) and line out delay ( Applying delay to line output) are disabled.

50

Selecting the recording file format (Mono/Stereo)

Mono or stereo can be selected for the WAV file recording format.

1. Press

.

This opens the Menu Screen.

2. Use

/

to select "Recording" and press

to confirm.

3. Use

/

to select "File Format" and press

to confirm.

4. Use

/

to select the recording file format and press

to confirm.

Item Mono Stereo

Explanation
· One audio track is recorded in one file. · If the "On/Off" setting for both Inputs 1 and 2 is "On" when
recording, two WAV files will be created. ( Turning inputs on/off)
· Two audio tracks are recorded in one file. · The Input 1 signal is recorded on track 1 and the Input 2 signal is
recorded on track 2 separately.

51

NOTE:
· Depending on the "File format" setting, the sound monitored from the headphone and line outputs will change as follows. Mono: mono mix Stereo: stereo with Input 1 on left channel and Input 2 on right channel
· Depending on the "File format" setting, the Home Screen appearance will change as follows.

Mono

Stereo

HINT: When using only Input 1 or Input 2, making the following settings can increase battery operation time and reduce microSD card use.
· Turn off the input not being used. ( Turning inputs on/off) · Set the Recording File Format to Mono. ( Selecting the recording file format (Mono/Stereo))

52

Capturing audio before recording starts (pre-recording)

The input signal is always buffered for a set amount of time, so it can be captured for up to 6 seconds

before

is used to start recording (pre-recording).

This is useful when

is switched late, for example.

1. Press

.

This opens the Menu Screen.

2. Use

/

to select "Recording" and press

to confirm.

3. Use

/

to select "Pre Rec" and press

to confirm.

4. Use

/

to select "On" and press

to confirm.

The amount of pre-recording time when set to "On" depends on the sample rate setting. ( Setting the sample rate)

Sample rate

Pre-recording time

44.1 kHz

6 seconds

48 kHz

6 seconds

88.2 kHz

3 seconds

96 kHz 192 kHz

3 seconds 1 second

53

Enabling the sound marker function

Half-second tone signals (sound markers) can be output from the output (PHONE OUT and LINE OUT) jacks when recording is started. Since sound markers are also written to recording files, when recording audio for video with the F3, sending its output signal to the camera input can make synchronizing audio and video easier.

1. Press

.

This opens the Menu Screen.

2. Use

/

to select "Recording" and press

to confirm.

3. Use

/

to select "Sound Marker" and press

to confirm.

4. Use

/

to select "On" and press

to confirm.

Use a stereo mini jack cable to connect the camera input jack to the F3 LINE OUT jack.

NOTE: Be careful with the volume if you are monitoring the input sound with headphones, for example.
54

Setting the recording time display
Either the elapsed recording time or the remaining possible recording time can be selected to be shown during recording.

1. Press

.

This opens the Menu Screen.

2. Use

/

to select "Recording" and press

to confirm.

3. Use

/

to select "Rec Counter" and press

to confirm.

4. Use

/

to set the time to be shown and press

to confirm.

Item Elapsed Time Remaining Time

Explanation This shows the current elapsed recording time. This shows the remaining recordable time.

NOTE: If the file size exceeds 2 GB during recording, a new file will be created automatically and recording will continue without pause. If this happens, the elapsed recording time shown on the Home Screen will not be reset.

55

Recording

1. Slide

to REC.

Recording will start and the REC LED will light red. The name, sample rate and bit depth of the file being recorded will be shown on the display.

2. Press

to stop.

Misoperation during recording can be prevented by sliding starts. ( Preventing misoperation (hold function))

toward HOLD after recording

NOTE: If the file size exceeds 2 GB during recording, a new file will be created automatically and recording will continue without pause. No gap in sound will occur between the two files when this happens.

HINT:

· Sliding

toward REC again will also stop recording.

· Files are automatically saved at regular intervals during recording. If the power is interrupted or another problem occurs during recording, an affected file can be restored to normal by playing it with the F3.

· Recording can be started with

and stopped with

even when the Home Screen is not

open, including on various settings screens. If starting or stopping recording is suddenly necessary while making settings, returning to the Home Screen is unnecessary. (Recording cannot be started from some screens.)

56

Playing recordings

Playing recordings

1. Press

.

This starts recording. For details about the Playback Screen, see "Playback Screen."

Files with the following characteristics can be played. · 32-bit float WAV files · Sample rate: 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz or 192 kHz · Number of channels: 1 or 2
NOTE: · The playing file will be played back repeatedly. · If the selected file is not valid, an "Invalid File!" message will appear. · If no playable file exists, a "No File!" message will appear.

HINT: Files can also be chosen for playback as desired from a list. ( Selecting files for playback)

2. Press

.

Playback stops and the Home Screen opens.

NOTE: Depending on the "File Format" setting used during recording, headphone and line output will change as follows during playback. ( Selecting the recording file format (Mono/Stereo))
· Mono: mono mix
· Stereo: stereo with Input 1 on left channel and Input 2 on right channel

57

Playback operations

Press this to start and pause playback alternately.

Press this to stop playback.

Press this to select the previous file. If a file has marks, this will move to mark positions. Press and hold to search backward.

Press this to select the next file. If a file has marks, this will move to mark positions. Press and hold to search forward. NOTE: Marks can only be added by using the dedicated app on a smartphone or tablet. A BTA-1 or other dedicated wireless adapter is necessary to use the app on the smartphone/tablet for control. See the F3 Control operation manual for detailed explanations about marks.
58

Checking playback file information

Various types of information about the playback file can be checked.

1. Press

when the Playback Screen is open.

This opens the File Information Screen.

Use

and

to check the following types of information.

· Date and time recorded

· Recording format

· Recording file length

HINT: File information can also be checked by using the Finder, selected from the Menu Screen. ( Checking file information)

59

Deleting recording files

The current playback file can be deleted.

1. Press

when the Playback Screen is open.

The Delete Screen will open.

2. Use

/

to select "Execute" and press

to confirm.

NOTE: Be aware that if the "File Format" setting was "Mono", the two files recorded simultaneously by Inputs 1 and 2 will be deleted together by this action. ( Selecting the recording file format (Mono/Stereo))
HINT: Files can also be deleted by using the Finder, selected from the Menu Screen. ( Deleting files)

60

Managing files
Recording files on microSD cards can be selected, played and deleted, and information about them can be checked.
F3 folder and file structure
When recording with the F3, files are created on microSD cards in the following manner. File names differ according to the Rec File Name ( Setting the recording file name format) and File Format ( Selecting the recording file format (Mono/Stereo)) settings.
Root
210101_001.WAV
210101_002_Tr1.WAV
210101_002_Tr2.WAV
 Stereo file
· Stereo files are created when the recording file format is "Stereo". · Two audio tracks are recorded in one file. · The Input 1 signal is recorded on track 1 and the Input 2 signal is recorded on track 2 separately.
 Mono files
· Mono files are created when the recording file format is "Mono". · One audio track is recorded in one file. · If the "On/Off" settings of both Inputs 1 and 2 are set to "On" when recording, two WAV files will be
created. · "_Tr1" and "_Tr2" will be added to the ends of the names for the audio files recorded from Input 1
and Input 2.
61

Selecting files for playback

Files can be selected from a list and played.

1. Press

.

This opens the Menu Screen.

2. Use

/

to select "Finder" and press

to confirm.

3. Use

and

to select the file desired for playback and press

to confirm.

4. Use

/

to select "Play" and press

to confirm.

The selected file will start playing.

NOTE: · If the selected file is not valid, an "Invalid File!" message will appear. · If no playable file exists, a "No File!" message will appear. · Two files recorded simultaneously by Inputs 1 and 2 when the "File Format" setting was "Mono" will be shown as a single file in the F3 Finder. ( Selecting the recording file format (Mono/Stereo))
62

Checking file information

Various types of information about files can be checked.

1. Press

.

This opens the Menu Screen.

2. Use

/

to select "Finder" and press

to confirm.

3. Use

and

to select the file with information to be checked and press

to

confirm.

4. Use

/

to select "Information" and press

Information about the selected file will be shown.

to confirm.

Use

and

to check the various types of information.

HINT: · File information can also be checked from the Playback Screen. ( Checking playback file information) · For details about the information items that can be checked, see "Checking playback file information".

63

Deleting files

Selected files can be deleted.

1. Press

.

This opens the Menu Screen.

2. Use

/

to select "Finder" and press

to confirm.

3. Use

and

to select the file to be deleted and press

to confirm.

4. Use

/

to select "Delete" and press

to confirm.

5. Use

/

to select "Execute" and press

to confirm.

NOTE: Two files recorded simultaneously by Inputs 1 and 2 when the "File Format" setting was "Mono" will be shown as a single file in the F3 Finder. Be aware that both recording files will be deleted together. ( Selecting the recording file format (Mono/Stereo))
HINT: Files can also be deleted on the Playback Screen. ( Deleting recording files)
64

Using as an audio interface
The F3 can be used as a 2-in/2-out audio interface. Signals input to the F3 can be sent to a computer, smartphone or tablet, and playback signals from a computer, smartphone or tablet can be output from the F3. From firmware version 2.0, 32-bit float format is supported, and functions such as mono mix and direct monitor have been added. If you use these functions, confirm that the firmware is version 2.0 or later.  Checking the firmware versionsUpdating the firmware
Precautions when using in 32-bit float format: · Before using, confirm that the app used on your computer, smartphone or tablet supports the 32-bit float format. · Before connecting the F3 to speakers or headphones, set the F3 headphone volume and line output level to 0. Using an app that does not support the 32-bit float format could make an unexpected loud noise and damage your ears.
Installing drivers
Windows computers
1. Download the F3 Driver to the computer from zoomcorp.com.
NOTE: The latest F3 Driver can be downloaded from the above website.
2. Launch the installer and follow its instructions to install the F3 Driver.
NOTE: See the Installation Guide included in the driver package for detailed installation procedures.
Smartphones, tablets and Mac computers
No drivers are necessary for use with smartphones, tablets and Mac computers.
65

Connecting computers, smartphones and tablets

1. Press

.

This opens the Menu Screen.

2. Use

/

to select "USB Audio I/F" and press

to confirm.

3. Use

/

to select the type of the device to be connected and press

to confirm.

Setting PC/Mac Tablet

Explanation Connect a computer. Connect a smartphone or tablet. Use batteries to power the F3.

4. Use

/

to select the format to be used for the audio interface and press

to

confirm.

Linear Float

Setting

Explanation Select when using the audio interface in 24-bit linear format. Select when using the audio interface in 32-bit float format.

66

This opens the Audio I/F Screen. When Linear is selected

When Float is selected

NOTE: · For firmware versions earlier than 2.0, only 24-bit linear format is available and 32-bit float format cannot be used. ( Checking the firmware versions) · If the firmware version is earlier than 2.0, the screen of step 4 will not appear. Proceed to step 5. · A dedicated driver is necessary to use the 32-bit float format on Windows. It can be downloaded from the ZOOM website (zoomcorp.com).
5. Use a USB cable to connect the F3 with the computer, smartphone or tablet.
USB (Type-C)
 Smartphone/tablet (Android)  Smartphone/tablet (iOS/iPadOS)  Computer (Windows/Mac)
NOTE: · Use a USB cable that supports data transfer. · Use a Lightning to USB 3 Camera Adapter to connect to an iOS/iPadOS device with a lighting connector.

67

6. Launch the app on the computer, smartphone or tablet and select the F3 as an audio or I/O device.
NOTE: · Even if ZOOM F3 cannot be selected in the sound setting of your computer, you can use it as a 32-bit float format audio interface by selecting the F3 as an audio or I/O device on the app that supports 32-bit float format. · See the manual of each app for how to use the app.
68

Disconnecting computers, smartphones and tablets

1. When connected as an audio interface, press

.

This opens the Menu Screen.

2. Use

/

to select "Exit USB Audio" and press

to confirm.

3. Use

/

to select "Execute" and press

to confirm.

4. Disconnect the USB cable that is connecting the F3 and the computer, smartphone or tablet.

69

Making audio interface settings

Settings of loop back, monitor sound, and signals to be sent to a computer, smartphone or tablet can be made when using the F3 as an audio interface.
Enabling the loop back function

This function allows the playback sound from the computer, smartphone or tablet and the sound input to the F3 to be mixed and sent back to the computer, smartphone or tablet (loop back). This function can be used to add narration to music played from a computer and record the mix or stream it on a computer, for example.

1. When connected as an audio interface, press

.

This opens the Menu Screen.

2. Use

/

to select "Loop Back" and press

to confirm.

3. Use

/

to select "On" and press

to confirm.

70

Enabling mono mix

The monitor sound of Input 1 and 2 and the signals sent to a computer, smartphone or tablet can be mixed in mono. This function is useful when you do not want the signals sent to the computer, smartphone or tablet to be stereo, such as when webcasting.

1. When connected as an audio interface, press

.

This opens the Menu Screen.

2. Use

/

to select "Mono Mix" and press

to confirm.

3. Use

/

to select "On" and press

to confirm.

Setting Off

Explanation
The signals from Input 1 and 2 will be sent separately to left and right channels and can be monitored through the LINE OUT and PHONE OUT jacks. Input 1 and 2 signals sent to a computer, smartphone or tablet will also be output separately.
F3

Input 1 Input 2
Output L Output R
71

Input 1 Input 2

Setting On

Explanation
The signals from Input 1 and 2 will be mixed in mono and output to the LINE OUT and PHONE OUT jacks, computer, smartphone or tablet.
F3

Input 1 Input 2
Output L Output R

Input 1 Input 2

NOTE: · This function was added in firmware version 2.0.  Checking the firmware versions · How to update the firmware  Updating the firmware

72

Setting direct monitoring
This directly outputs the sound being recorded by the F3 before sending it to the computer, smartphone or tablet. This enables monitoring without latency (direct monitoring).
F3

Input 1 Input 2
Direct Monitor
Output L Output R

Input 1 Input 2
Output L Output R

1. When connected as an audio interface, press

.

This opens the Menu Screen.

2. Use

/

to select "Direct Monitor" and press

to confirm.

3. Use

/

to select "On" and press

to confirm.

NOTE: · This function was added in firmware version 2.0.  Checking the firmware versions · How to update the firmware  Updating the firmware

73

Controlling the F3 from a smartphone/tablet
By connecting a BTA-1 or other dedicated wireless adapter to the F3, it can be operated wirelessly from a smartphone or tablet using the dedicated F3 Control app.
NOTE: · The dedicated F3 Control app must be installed on the smartphone/tablet beforehand. The F3 Control app can be downloaded from the App Store and Google play. For app setting and operation procedures, see the F3 Control app operation manual. · The F3 cannot be controlled wirelessly from a smartphone/tablet when being used as an audio interface. ( Using as an audio interface) · The F3 cannot be simultaneously connected to F3 Control and an UltraSync BLUE.
1. With the F3 power off, remove the REMOTE connector cover on the right side and connect a BTA-1 or
other dedicated wireless adapter.

2. Press and hold

to turn the power on.

74

3. Use

/

to select "F3 Control" and press

to confirm.

Searching for the connected device will begin and "Searching..." will appear on the display.

HINT: · Searching can be canceled by pressing any button.

· Select

> System > Bluetooth Function > F3 Control to search for and connect with devices as

well as to switch connected devices.

4. Launch the F3 Control app on the smartphone/tablet and conduct connection operations in the app.
When connection completes, "F3 Control Connected!" will be shown.

For app setting and operation procedures, see the F3 Control app operation manual.
Disconnecting from a smartphone/tablet
Quitting the app on the smartphone/tablet will end the connection. Disconnecting the BTA-1 will also end the connection between the F3 and F3 Control.

75

Making various settings

Setting the type of batteries used

Set the type of battery used in the F3 correctly so that the amount of remaining battery charge can be accurately displayed.

1. Press

.

This opens the Menu Screen.

2. Use

/

to select "System" and press

to confirm.

3. Use

/

to select "Power" and press

to confirm.

4. Use

/

to select "Battery Type" and press

to confirm.

76

5. Use

/

to select the battery type and press

to confirm.

Setting Alkaline Ni-MH Lithium

Explanation Alkaline batteries Nickel-metal hydride batteries Lithium batteries

77

Setting the display backlight

To conserve energy, the display backlight can be set to turn off.

1. Press

.

This opens the Menu Screen.

2. Use

/

to select "System" and press

to confirm.

3. Use

/

to select "LCD" and press

to confirm.

4. Use

/

to select "Backlight" and press

to confirm.

5. Use

/

to select an item and press

to confirm.

Off On
1 min

Setting

Explanation The display backlight always stays off. The display backlight always stays on. The display backlight will turn off after 1 minute elapses without operation.
78

Setting the display contrast

If display content is difficult to see because it seems too bright or dark, adjust the contrast (display brightness level differences).

1. Press

.

This opens the Menu Screen.

2. Use

/

to select "System" and press

to confirm.

3. Use

/

to select "LCD" and press

to confirm.

4. Use

/

to select "Contrast" and press

to confirm.

5. Use

/

to set the display contrast and press

to confirm.

HINT: This can be set from 1 to 10.
79

Setting the display language

The language used on F3 screens can be changed.

1. Press

.

This opens the Menu Screen.

2. Use

/

to select "System" and press

to confirm.

3. Use

/

to select "Language" and press

to confirm.

4. Use

and

to select the desired display language and press

to confirm.

HINT: This screen opens automatically the first time the power is turned on after purchase.

80

Setting the date and time

The date and time added to recording files can be set. When "Rec File Name" is set to "Date", the date when recording starts will be used for the file name. ( Setting the recording file name format)

1. Press

.

This opens the Menu Screen.

2. Use

/

to select "System" and press

to confirm.

3. Use

/

to select "Date/Time" and press

to confirm.

4. Use

/

to select "Set Date/Time" and press

to confirm.

5. Use

and

to select the item to set and press

to confirm.

81

6. Use

and

to change the value and press

to confirm.

7. Repeat steps 5­6 to set the date and time.

8. After setting all items, use

and

to select

, and press

to confirm.

NOTE: If the recording file name format is "Date" ( Setting the recording file name format), the take number will be reset if the date is changed.
HINT: This screen opens automatically after the language is set the first time the power is turned on after purchase.

82

Setting the date format

The date format added to recording files can be changed.

1. Press

.

This opens the Menu Screen.

2. Use

/

to select "System" and press

to confirm.

3. Use

/

to select "Date/Time" and press

to confirm.

4. Use

/

to select "Date Format" and press

to confirm.

5. Use

/

to select the date format and press

to confirm.

Setting YYMMDD MMDDYY DDMMYY

Explanation The date will be shown in year, month, day order. The date will be shown in month, day, year order. The date will be shown in day, month, year order.
83

NOTE: If the recording file name format is "Date" ( Setting the recording file name format), the take number will be reset if the date format is changed.
84

Setting the time until the power turns off automatically

The F3 can be set to automatically turn its power off if it is not used for a set amount of time. To keep the power on at all times, set the automatic power saving function to "Off".

1. Press

.

This opens the Menu Screen.

2. Use

/

to select "System" and press

to confirm.

3. Use

/

to select "Power" and press

to confirm.

4. Use

/

to select "Auto Power Off" and press

to confirm.

5. Use

/

to select the time until the power turns off and press

to confirm.

85

Setting Off 10 min
60 min

Explanation
The power will not turn off automatically.
The power will automatically turn off if no operation occurs for 10 minutes.
The power will automatically turn off if no operation occurs for 60 minutes.

NOTE: Regardless of the Auto Power Off setting, the power will not turn off automatically under the following conditions.
· When recording or playing · When the F3 is being used as an audio interface · When the F3 is being used as a card reader · When a Bluetooth device is connected · When a card is being tested · When the firmware is being updated

86

When using timecode
Timecode overview
SMPTE timecode can be input to the F3 using an UltraSync BLUE made by Timecode Systems. Timecode is time information written to data when recording video and audio. It is used for video editing, control of other devices, and synchronization of audio and video, for example.
NOTE: · A Timecode Systems UltraSync BLUE cannot be used during audio interface operation. ( Using as an audio interface) · The F3 cannot be simultaneously connected to F3 Control and an UltraSync BLUE.
Using timecode for editing
If video and audio data both have recorded timecode, aligning them to a timeline and synchronizing them together is easy when using nonlinear editing software for editing.
 Video file with timecode recorded  Audio file with timecode recorded  Nonlinear editing software
87

Inputting timecode
By having the F3 and the video camera both receive timecode output by a Timecode Systems UltraSync BLUE, timecode can be recorded in both the audio data and the video data. The timecode is sent and received by Bluetooth.
88

Connecting with an UltraSync BLUE
The F3 can receive timecode from a connected UltraSync BLUE and record it in audio recording files. To connect an UltraSync BLUE, a BTA-1 or other dedicated wireless adapter must be connected to the F3, and the UltraSync BLUE and F3 must be paired.
1. With the F3 power off, remove the REMOTE connector cover on the right side and connect a BTA-1 or
other dedicated wireless adapter.

2. Press and hold

to turn the power on.

3. Use

/

to select "Timecode" and press

to confirm.

Searching for the connected device will begin and "Searching..." will appear on the display.

89

NOTE: If the F3 and an UltraSync BLUE have been connected before, the following screen will appear where an option can be selected.

Setting Paired Device
New Device

Explanation
Select this to connect with the previously connected UltraSync BLUE. In this case, the UltraSync BLUE will be connected and the operation on the UltraSync BLUE in step 4 becomes unnecessary.
Select this to connect to an UltraSync BLUE other than the one that was previously connected. If a new device is selected, previous device pairing data will be erased. In this case, proceed to step 4.

HINT: · Searching can be canceled by pressing any button.

· Select

> System > Bluetooth Function > Timecode to search for and connect with devices as

well as to switch connected devices.

4. On the UltraSync BLUE, select the F3 as the connected device.
This starts pairing.
When pairing completes, "Timecode Device Connected!" will appear on the F3 display.

HINT: · See the UltraSync BLUE manual for the procedures to select connected devices. · Use the F3 and the UltraSync BLUE as close together as possible to make communication more reliable. · If communication with the UltraSync BLUE is interrupted during recording, timecode data will not be added for the rest of the recording.
90

Disconnecting from an UltraSync BLUE
Removing the BTA-1 will disconnect the F3 and the UltraSync BLUE and stop timecode recording. Pairing information will be retained even when disconnected.

Checking timecode information

Information about the timecode being received from the UltraSync BLUE can be checked.

1. Press

.

This opens the Menu Screen.

2. Use

/

to select "System" and press

to confirm.

3. Use

/

to select "Timecode" and press

to confirm.

91

4. Use

/

to select "Information" and press

to confirm.

This shows information about the timecode. The following types of information can be checked.

 Timecode
This shows the time in hours, minutes, seconds and frames.
 User bits (Ubits)
This shows the user bits set by the UltraSync BLUE.
 Frame rate (FPS)
This shows the frame rate.
 Device name (Device)
This shows the name of the UltraSync BLUE device.

92

Setting the time shown on the Home/Recording Screen
The display setting for timecode on the Home/Recording Screen can be changed. Timecode is shown in the position indicated below.

1. Press

.

This opens the Menu Screen.

2. Use

/

to select "System" and press

to confirm.

3. Use

/

to select "Timecode" and press

to confirm.

4. Use

/

to select "Home Time Display" and press

to confirm.

93

5. Use

/

to select the display setting and press

to confirm.

Setting Rec & Timecode

Explanation Both the recording time and the timecode will be shown.

Timecode

Only the timecode will be shown.

Recording time

Only the recording time will be shown.

NOTE: If an UltraSync BLUE is not connected, the timecode will be shown as "--:--:--:--".

94

Exchanging data with computers

By connecting with a computer, data on the microSD card can be checked and copied.

1. Press

.

This opens the Menu Screen.

2. Use

/

to select "USB File Transfer" and press

This opens the USB File Transfer Screen.

to confirm.

3. Use a USB (Type-C) cable to connect the F3 and the computer.
USB (Type-C)
NOTE: Use a USB (Type-C) cable that supports data transfer.
4. Use the computer to work with the files saved on the microSD card.

95

Disconnecting a computer

1. Disconnect on the computer.
· Windows: Select the F3 with "Safely Remove Hardware".
· macOS: Drag the F3 icon to the Trash and drop it.
2. Disconnect the USB cable connecting the F3 with the computer.
NOTE: Always conduct the removal procedure in step 1 before disconnecting the USB cable.

3. Press

to return to the Menu Screen.

96

Testing microSD cards

You can test whether or not a microSD card can be used with the F3. A basic test can be done quickly, while a full test examines the entire SD card.

Conducting a quick test

1. Press

.

This opens the Menu Screen.

2. Use

/

to select "System" and press

to confirm.

3. Use

/

to select "SD Card" and press

to confirm.

4. Use

/

to select "Quick Test" and press

to confirm.

97

5. Use

/

to select "Execute" and press

The card performance test will start.

to confirm.

The result of the test will be shown when it completes.

NOTE: Even if a performance test result is "Pass", there is no guarantee that writing errors will not occur. This information is just to provide guidance.

HINT:

A test can be canceled while in progress by pressing

.

98

Conducting a full test

1. Press

.

This opens the Menu Screen.

2. Use

/

to select "System" and press

to confirm.

3. Use

/

to select "SD Card" and press

to confirm.

4. Use

/

to select "Full Test" and press

to confirm.

The amount of time required for the full test will be shown.

5. Use

/

to select "Execute" and press

The card performance test will start.

to confirm.

The result of the test will be shown when it completes. If the access rate MAX reaches 100, the card will fail.

99

NOTE: Even if a performance test result is "Pass", there is no guarantee that writing errors will not occur. This information is just to provide guidance.

HINT:

The test can be paused by pressing

and resumed by pressing

.

A test can be canceled while in progress by pressing

.

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Formatting microSD cards

To maximize the performance of a microSD card, use the F3 to format it.

1. Press

.

This opens the Menu Screen.

2. Use

/

to select "System" and press

to confirm.

3. Use

/

to select "SD Card" and press

to confirm.

4. Use

/

to select "Format" and press

to confirm.

5. Use

/

to select "Execute" and press

to confirm.

This formats the microSD card. NOTE: · Before using microSD cards that have just been purchased or that have been formatted on a computer,
they must be formatted by the F3. · Be aware that all data previously saved on the microSD card will be deleted when it is formatted.
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Restoring factory default settings

The F3 can be restored to factory default settings.

1. Press

.

This opens the Menu Screen.

2. Use

/

to select "System" and press

to confirm.

3. Use

/

to select "Factory Reset" and press

to confirm.

4. Use

/

to select "Execute" and press

to confirm.

After the F3 is restored to its factory default settings, the power will turn off.
NOTE: Conducting a factory reset will overwrite all settings to their factory defaults. Be certain before using this function.

102

Managing the firmware

Checking the firmware versions

The firmware versions used by the F3 can be checked.

1. Press

.

This opens the Menu Screen.

2. Use

/

to select "System" and press

to confirm.

3. Use

/

to select "Versions" and press

to confirm.

This shows the firmware versions.

Updating the firmware
The F3 firmware can be updated to the latest versions. Files for the latest firmware updates can be downloaded from the ZOOM website (zoomcorp.com). Follow the instructions in the "F3 Firmware Update Guide" on the F3 download page.
103

Appendix
Troubleshooting
If you think that the F3 is operating strangely, check the following items first.
Recording/playback trouble
There is no sound or output is very quiet
· Check the orientation of the mics or the volume settings of the connected equipment. · Confirm that the headphone volume and line output level are not too low. ( Monitoring input/playback
sounds, Adjusting line output levels (playing test tones))
Sound from connected equipment or inputs cannot be heard or is very quiet
· Increase the magnification of input signal waveforms to amplify their sound when monitoring. ( Waveforms shown when recording
· If a CD player or other equipment is connected to an input jack, raise the output level of that device. · Check the input signal monitoring settings. ( Monitoring input/playback sounds, Adjusting line output
levels (playing test tones)) · Check the phantom power settings. ( Setting input sources, Changing phantom power voltage)
Recording not possible
· Confirm that the REC LED is lit red. ( Recording) · Confirm that the microSD card has open space. The time available for recording can be checked on the
screen when recording is paused. ( Home Screen) · Confirm that a microSD card is loaded properly in the card slot. ( Inserting microSD cards) · Confirm that the input source setting is not "Off". ( Setting input sources)
Recorded sound cannot be heard or is very quiet
· Confirm that the input source setting is correct for the connected equipment. ( Setting input sources)
104

Other trouble

Power will not turn on

· Confirm that

has not been set to "HOLD". ( Preventing misoperation (hold function))

Computer, smartphone or tablet does not recognize the F3 even though it is connected to a USB port
· Use a USB cable that supports data transfer. · The operation mode must be set on the F3 to allow the computer to recognize it. ( Exchanging data
with computers, Connecting computers, smartphones and tablets) · When using as an audio interface in 32-bit float format, confirm that the computer, smartphone, tablet,
or app you are using supports the 32-bit float format. · Even if ZOOM F3 cannot be selected in the sound setting of your computer, you can use it as a 32-bit
float format audio interface by selecting the F3 as an audio or I/O device on the app that supports 32-bit float format.
Battery operation time is short
Making the following settings could increase the battery operation time. · Set the battery type being used correctly. ( Setting the type of batteries used) · Turn unnecessary inputs off. ( Turning inputs on/off) · Set the phantom power voltage to 24 V. ( Changing phantom power voltage) · Turn the display backlight off or set it to turn off after being unused for a certain amount of time. (
Setting the display backlight) · Reduce the sample rate used to record files. ( Setting the sample rate) · Disconnect unnecessary cables from the PHONE OUT and LINE OUT jacks. · Due to their characteristics, using nickel metal hydride batteries (especially high-capacity ones) or lithium
batteries should enable longer use than alkaline batteries when power consumption is high.

105

Block diagram

Fro m USB T o USB

F3
AD
Input 1
AD
Input 2

Waveform Amplification

Waveform Display

DC CUT

HPF

Phase Invert

Delay

Waveform Amplification

Waveform Display

DC CUT

HPF

Phase Invert

Delay

Track 1 (L) Track 2 (R)

Rec/ Play

Mono/ Stereo

Slate Tone

Slate Tone

Track 1 (L)

Track 2 (R)

LINE OUT Level
Limiter

Delay

LINE OUT
DA

HEADPHONE VOLUME

HEADPHONE
DA

Alert Tone

Alert Tone Level

106

Specifications

Input and output channels Inputs
Outputs Recorder
Display

Inputs Outputs MIC/LINE (mono)
LINE OUT PHONE OUT

MIC/LINE (mono) LINE OUT PHONE OUT Connectors Input gain
Input impedance
Maximum input level
Phantom power
Equivalent input noise
Connector Maximum output level Output impedance Connector Maximum output level Output impedance Maximum simultaneous recording tracks Maximum simultaneous playback tracks Recording format
Recording media

2 1 1 2 XLR (2: HOT) Adjustment unnecessary (dual AD converter circuits used) MIC: 3 k or more LINE: 3 k or more MIC: +4 dBu LINE: +24 dBu +24/48 V Combined channel total of 10 mA or less -127 dBu or less (IHF-A) when waveform magnification is ×1024 with 150  input 1 stereo mini jack +1 dBu 100  or less 1 stereo mini jack 50 mW + 50 mW (into 32  load) 15  or less 2
2
WAV 44.1/48/ 88.2/96/192 kHz, 32-bit float mono/stereo BWF and iXML formats supported 4 ­ 32 GB cards compatible with the microSDHC specification 64 GB ­ 1 TB cards compatible with the microSDXC specification LCD with backlight (96×64 resolution)

107

USB

Connector

USB Type-C · Use a USB cable that supports data transfer. USB bus power is supported.

Audio interface operation

USB2.0 High Speed 44.1/48/88.2/96 kHz 24-bit linear/32-bit float · 32-bit float format is supported for firmware version 2.0 or later. 2-in/2-out

Mass storage operation

USB 2.0 High Speed

REMOTE

Dedicated wireless adapter (ZOOM BTA-1)

Power

2 AA batteries (alkaline, NiMH or lithium) AC adapter (ZOOM AD-17): DC 5 V/1 A · USB bus power is supported.

Estimated continuous operation time using batteries · The values are approximate. · Continuous battery operation times were determined using in-house testing methods. They will vary greatly according to use conditions.

48 kHz/32-bit float, 2ch recording to microSDHC card (without headphones, PHANTOM off, LCD Backlight off)

Alkaline batteries: about 8 hours NiMH batteries (1900 mAh): about 8.5 hours Lithium batteries: about 18 hours

48 kHz/32-bit float, 2ch recording to microSDHC card (headphones into 32 load, PHANTOM at 48 V (5 mA), LCD Backlight off)

Alkaline batteries: about 2 hours NiMH batteries (1900 mAh): about 3 hours Lithium batteries: about 7.5 hours

Power consumption

5 W maximum

Dimensions

75.0 mm (W) × 77.3 mm (D) × 47.8 mm (H)

Weight (including batteries)

242 g

Note: 0 dBu = 0.775 Vrms

108

ZOOM CORPORATION
4-4-3 Kanda-surugadai, Chiyoda-ku, Tokyo 101-0062 Japan zoomcorp.com

Z2I-4492-02