FNIRSI-1014D Two-in-One Digital Oscilloscope and Signal Generator

Product Instructions

Product Introduction

The FNIRSI-1014D is a versatile two-in-one digital oscilloscope and signal generator developed by FNIRSI. It is a cost-effective dual-channel desktop oscilloscope suitable for maintenance and R&D industries. Key features include:

Real-time sampling rate of 1GSa/s.
100MHz*2 analog bandwidth.
Comprehensive trigger functions (single time / normal / automatic) for both periodic analog and aperiodic digital signals.
Built-in DDS function signal generator with an industry-original chopping output (@ 2.5VPP).
Signal frequency step of 1Hz, supporting 14 standard function signals and customizable chopping signals.
Ability to store up to 1000 customized cut-off signals.
Built-in high-voltage protection module tolerates up to 400V continuous voltage.
Large time base scrolling mode for monitoring slow level changes.
Efficient one-button auto-adjustment with self-adaptive 25%, 50%, 75% trigger.
7-inch 800*480 resolution high-definition LCD screen.
Cursor measurement function for manual reading of amplitude and frequency parameters.
Convenient screen capture and waveform storage with 1GB built-in space, storing up to 1000 screen captures and 1000 groups of waveform data.
Powerful waveform image manager supporting thumbnail browsing, viewing details, page turning, deleting, and waveform enlarging/reducing/moving for secondary analysis.
USB interface for connecting to a computer to share screen captures for secondary analysis.
Lissajous graphic display function for comparing and judging amplitude, frequency, and phase of two signals.
FFT viewing function for estimating harmonic components of a signal.

Serious Warning!

When using both channels simultaneously, the ground clamps of the two probes must be connected together. It is strictly forbidden to connect the ground clamps of the two probes to different potentials, especially to different potential terminals of high-power equipment or 220V, as this will burn the oscilloscope motherboard. Both channels are grounded together, and connecting to different potentials will short-circuit the internal ground wires of the motherboard, which applies to all oscilloscopes.
The BNC input of the oscilloscope can withstand a maximum of 400V. It is strictly forbidden to input more than 400V when the probe is set to 1x.
The original power supply must be used. It is strictly forbidden to use the power supply or USB of other devices under test. Otherwise, the motherboard ground wire may be short-circuited during the test.
A 100x probe (for ultrasonic welding machines, ultrasonic cleaning machines, etc.) or even a 1000x probe (for high-voltage ends of high-frequency transformers, induction cooker coils, etc.) must be used to measure high-frequency and high-voltage signals.

Solemnly Remind

The bandwidth of a 1x probe is 5MHz, and the bandwidth of a 10x probe is 100MHz. When the measurement frequency is higher than 5MHz, the switch on the probe handle needs to be moved to 10x, and the oscilloscope also needs to be set to 10x. Otherwise, the signal will be greatly attenuated, which is typical for all oscilloscopes. The oscilloscope's probe line has a capacitance of 100-300pF, which is significant for high-frequency signals. When the signal reaches the oscilloscope input through the probe, it is greatly attenuated, and the equivalent bandwidth is 5MHz. To match the hundreds of pF of the probe line, the input end of the probe line will attenuate the signal 10 times (when the switch is in the 10x gear), allowing the hundreds of pF capacitor to be used for impedance matching. At this point, the bandwidth is 100MHz. Note that only probes with 100MHz bandwidth or above can be used.

Interface Function Indicator Diagram

Oscilloscope Screen Indicators

Run/Pause Indicator: Shows if the oscilloscope is running or paused.
Trigger X Position Indication Arrow: Indicates the trigger X point.
Background Grid Tick Marks: Visual grid lines on the display.
Waveform Data of Channel 1: Displays the signal from channel 1.
Baseline Position of Channel 1 Arrow: Indicates the 0V potential for channel 1.
Waveform Data of Channel 2: Displays the signal from channel 2.
Baseline Position of Channel 2 Arrow: Indicates the 0V potential for channel 2.
Horizontal Time Base Control Bar Flag: Indicates the horizontal time base setting.
Trigger X Arrow Position: Relative to the system coordinate system.
Horizontal Time Base: Refers to the length of time represented by a large grid horizontally, determined by the sampling rate. A larger time base means a slower sampling rate, and vice versa.
Trigger Status Flag: Indicates the current trigger status.
Column 6 Measurement Parameters: Press F6 to select measurement parameters.
Column 5 Measurement Parameters: Press F5 to select measurement parameters.
Column 4 Measurement Parameters: Press F4 to select measurement parameters.
Column 3 Measurement Parameters: Press F3 to select measurement parameters.
Column 2 Measurement Parameters: Press F2 to select measurement parameters.
Column 1 Measurement Parameters: Press F1 to select measurement parameters.
Channel 2 Control Bar Sign: Indicates the control bar for channel 2.
Input Coupling Mode of Channel 1: Options are DC (DC coupling) and AC (AC coupling).
Channel 1 Probe Magnification: Displays the probe's magnification setting.
Channel 1 Control Bar Sign: Indicates the control bar for channel 1.
Vertical Sensitivity of Channel 1: Refers to the voltage represented by a large grid vertically.
Channel 1 Baseline Arrow Position: Relative to the system coordinate system.
Waveform Operation Movement Speed: Fast movement for coarse adjustment, slow movement for fine adjustment.
Trigger Voltage Arrow Position: Relative to the system coordinate system.
Trigger Edge Indicator: Up arrow for rising edge trigger, down arrow for falling edge trigger.
Trigger Mode Indicator: Auto (automatic trigger), Single (single trigger), Normal (normal trigger).
Trigger Control Bar Flag: Indicates the trigger control bar.
Trigger Channel: Options are CH1 and CH2.

Button Function Indication Diagram

Run/Pause Button: Pauses sampling.
One-Key Automatic Adjustment Button: Automatically identifies the signal and sets optimal display parameters.
Function Menu Button: Opens the function menu.
One-Click Screen Capture Button: Takes a screenshot and saves it to internal storage.
One-Button Save Waveform Button: Saves all waveform data from both channels to internal storage.
Time Cursor Switch Button: Toggles the time cursor measurement function.
Voltage Cursor Switch Key: Toggles the voltage cursor measurement function.
System [Right] Navigation Key: Navigates right in system menus.
System Navigation Key (Up): Navigates up in system menus.
System [OK] Navigation Key: Confirms selection.
System Navigation Key (Down): Navigates down in system menus.
System [Left] Navigation Key: Navigates left in system menus.
Move Speed Button: Switches between fast and slow movement for waveform adjustment.
Channel 1 Vertical Position Adjustment Knob: Rotates clockwise to move up, counterclockwise to move down.
Channel 1 Switch Button: Turns on or off the waveform display for channel 1.
Channel 1 Control Bar Button: Opens control parameters for channel 1, selectable via navigation key or knob.
Channel 1 Vertical Sensitivity Adjustment Knob: Clockwise for vertical amplification, counterclockwise for vertical reduction.
Channel 1 Signal Input Port: Measurement range 0 ~ 40V peak-to-peak, maximum tolerance 400V peak-to-peak.
Channel 2 Vertical Position Adjustment Knob: Rotates clockwise to move up, counterclockwise to move down.
Channel 2 Switch Button: Turns on or off the waveform display for channel 2.
Channel 2 Control Bar Button: Opens control parameters for channel 2, selectable via navigation key or knob.
Channel 2 Vertical Sensitivity Adjustment Knob: Clockwise for vertical amplification, counterclockwise for vertical reduction.
Channel 2 Signal Input Port: Measurement range 0 ~ 40V peak-to-peak, maximum tolerance 400V peak-to-peak.
System Trigger X Position Adjustment Knob: Moves clockwise to the right, counterclockwise to the left.
One-Key Return to Center Button: Resets Channel 1/2 vertical position, trigger X horizontal position, and trigger Y vertical position to center.
Time Base Adjustment Knob: Rotates clockwise to reduce time base (enlarge waveform horizontally), counterclockwise to increase time base (reduce waveform horizontally).
DDS Signal Generator Output: Output port for the signal generator.
Trigger Voltage Y Position Adjustment Knob: Rotates clockwise to move up, counterclockwise to move down.
Trigger Mode Switch Button: Switches between Auto, Single, and Normal modes.
Trigger Edge Switch Button: Switches between rising edge and falling edge trigger.
Trigger Channel Switch Button: Switches between Channel 1 and Channel 2 for triggering.
50% Trigger Button: Automatically sets trigger voltage to 25%, 50%, or 75% based on signal characteristics.
First Column Measurement Parameter Selection Button (F1): Pops up measurement block diagram for parameter selection.
Second Column Measurement Parameter Selection Button (F2): Pops up measurement block diagram for parameter selection.
Third Column Measurement Parameter Selection Button (F3): Pops up measurement block diagram for parameter selection.
Fourth Column Measurement Parameter Selection Button (F4): Pops up measurement block diagram for parameter selection.
Fifth Column Measurement Parameter Selection Button (F5): Pops up measurement block diagram for parameter selection.
Sixth Column Measurement Parameter Selection Button (F6): Pops up measurement block diagram for parameter selection.
Signal Generator Control Bar Button: Opens the signal generator parameter control bar.
Next Page Control Button (Picture/Waveform/Chopping Manager): Navigates to the next page.
Previous Page Control Button (Picture/Waveform/Chopping Manager): Navigates to the previous page.
[Delete] Control Button (Picture/Waveform/Chopping Manager): Deletes selected item.
Select All Control Buttons (Picture/Waveform/Chopping Manager): Selects all items.
[Return] Control Button (Picture/Waveform/Chopping Manager): Returns to the previous screen.
USB Port for Sharing Screenshots: USB interface for data transfer.
Power Switch: Turns the device on or off.

Operating Instructions (Oscilloscope Part)

Open or Close Channel 1 / Channel 2

Click [CH1] / [CH2] to open or close the respective channel. To turn FFT on or off, click the [CONF] button under CH1 or CH2, then use the navigation key to toggle FFT.

Setting Input Coupling Mode

Click [CONF] under CH1 or CH2 to open the parameter control bar, then switch between DC / AC coupling using the navigation key.

Set the Probe Input Ratio

Click [CONF] under CH1 or CH2 to open the parameter control bar, then switch to 1x / 10x / 100x using the navigation key.

Scaling Waveform

Rotate the large knob at the bottom left corner of the vertical frame to scale Channel 1 waveform vertically. Rotate the large knob at the bottom right corner to scale Channel 2 waveform vertically. Rotate the large knob at the bottom of the horizontal frame to scale Channel 1 and Channel 2 horizontally (clockwise to enlarge, counterclockwise to reduce).

Moving Waveform

Rotate the small knob in the upper left corner of the vertical frame to move Channel 1 waveform vertically (clockwise upward, counterclockwise downward). Rotate the small knob in the upper right corner to move Channel 2 waveform vertically. Rotate the small knob in the upper horizontal frame to move Channel 1 and Channel 2 horizontally (clockwise to the right, anticlockwise to the left). During adjustment, click the [SLOW] button to select coarse or fine adjustment.

Adjust Trigger Voltage

Rotate the small knob under the trigger frame to adjust the trigger voltage. During this process, click the [SLOW] button for coarse or fine adjustment. Ensure the [AUTOMATIC 50%] trigger in the menu is turned off, otherwise the trigger voltage cannot be adjusted.

Set Trigger Edge

Click [EDGE] to switch between rising edge / falling edge.

Set Auto Trigger

Click [MODE] to switch between Auto / Single / Normal. Auto is automatic trigger.

Set Single Trigger

Click [MODE] to switch between Auto / Single / Normal. Single is single trigger.

Set Normal Trigger

Click [MODE] to switch between Auto / Single / Normal. Normal is normal trigger.

Pause Display

Click the red [RUN / STOP] button in the upper right corner to pause or run.

Automatic Waveform Adjustment

Click the blue [AUTO] button in the upper right corner to adjust automatically.

Set the Slow Scan Scrolling Mode

Rotate the big knob under the horizontal frame counterclockwise. When the time base reaches 100ms, the system enters slow scan scrolling mode (100ms ~ 50s).

Time Cursor Measurement

Click the [H CUR] button to turn on the time cursor. Select the left and right light markings using the left and right navigation keys, then adjust them with the small knob in the upper left corner of the navigation key. Clockwise rotation moves markings right, counterclockwise moves them left.

Voltage Cursor Measurement

Click the [V CUR] button to turn on the voltage cursor. Select the up and down light marking lines using the up and down navigation keys, then adjust them with the small knob in the upper left corner of the navigation key. Clockwise rotation moves markings upward, counterclockwise moves them downward.

Set the Parameters to be Displayed

Click F1 ~ F6 to open the parameter measurement control bar, then select required parameters using the navigation key or the nearby knob.

Full Screen Capture

Click the [S PIC] button to capture the current display. The captured image is saved to the local disk in BMP format.

Save Current Waveform Data

Click the [S WAV] button to save all waveform data of the opened channel to the local disk.

Adjust the Screen Brightness

Click the [MENU] button, navigate to [SCREEN BRIGHTNESS], press OK, and adjust brightness using the small knob in the upper left corner (100 is brightest, 0 is darkest).

Adjust the Background Grid Brightness

Click the [MENU] key, navigate to [GRID BRIGHTNESS], press OK, and adjust grid brightness using the small knob in the upper left corner (100 is brightest, 0 turns off grid display).

Setting Automatic 50% Trigger All the Time

Click the [MENU] key, navigate to [AUTOMATIC 50%], press OK, and select [ON] via the navigation key. In automatic trigger mode, the measurement system will automatically set the trigger voltage to 25% / 50% / 75% of the peak-to-peak value based on waveform characteristics.

Horizontal Baseline Offset Calibration

If the left yellow/cyan indicator arrow and the yellow/cyan horizontal baseline of either channel are not in the same position when the probe is pulled out, calibration is required. First, pull out the probe, then click the [MENU] key, navigate to [BASELINE CALIBRATION], and press OK to calibrate the baseline.

View Saved Screen Capture

Click [MENU], navigate to [PICTURE BROWSE], and press OK to enter the picture thumbnail preview interface. Select a thumbnail via the navigation key, then click [OK] to view the screen capture in full screen. Control buttons (RET, SEL All, DEL, Last, Next) are available at the bottom.

View Saved Waveform Data

Click [MENU] key, navigate to [WAVEFORM BROWSE], and press OK to enter the waveform thumbnail preview interface. Select a thumbnail via the navigation key, then click [OK] to view the waveform in full screen. Control buttons (RET, SEL All, DEL, Last, Next) are available at the bottom.

Delete Saved Waveform

Click the [MENU] key, navigate to [WAVEFORM BROWSE], and press OK to enter the waveform thumbnail preview interface. Select a thumbnail via the navigation key, then click the [DEL] key at the bottom to delete the waveform, or delete it in full screen view.

Connect the Computer to View Screen Capture Pictures

Click the [MENU] button, navigate to [USB SHARE] via the navigation key, and press OK to open USB share. Connect the computer with the attached USB cable; the computer will recognize a removable disk or U-disk. Screen capture pictures saved on the disk can be found on the computer. Note: Do not directly rename files on the disk, as the oscilloscope picture manager will not be able to display them.

Operation Instruction (Signal Generator Part)

Switch the Waveform Type

Click the [GEN] button to open the signal generator control interface in the lower right corner. Click [OK] to switch the green selection box to [WAVEFORM TYPE] position, then use [UP] or [DOWN] navigation keys or the knob in the upper left corner to switch the waveform type.

Adjust the Waveform Frequency

Click the [GEN] button to open the signal generator control interface. Click [OK] to switch the green selection box to [FREQUENCY] position. Use [LEFT] or [RIGHT] navigation keys to set the position cursor for adjustment. After confirming, use [UP] or [DOWN] navigation keys or the knob in the upper left corner to increase or decrease the current bit's value, thereby changing the frequency.

Adjust the Duty Cycle of Square Wave

Duty cycle setting is only effective for square waves. Click the [GEN] button to open the signal generator control interface. Click [OK] to switch the green selection box to [DUTY CYCLE] position, then rotate the navigation key in the upper left corner to increase or decrease the duty cycle from 1% to 99%.

Capture Waveform

Capture waveform output allows capturing part or the whole of the currently displayed waveform as the signal generator's output. The captured signal can be saved to the system, with up to 1000 groups of captured signals savable.

First, click the [MENU] button. The function interface will appear on the left side of the screen. Navigate to [CAPTURE OUTPUT] and open it. Two purple boundary lines will appear on the screen, defining the waveform segment to be captured. The word

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