Keychron | Custom Mechanical Keyboards for Mac, Windows and Phones
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User Guide for Keychron models including: Version 3, K3 Wireless Mechanical Keyboard, K3, Wireless Mechanical Keyboard, Mechanical Keyboard, Keyboard
Keychron K3 Version 3 User Manual
File Info : application/pdf, 40 Pages, 5.67MB
DocumentDocumentK3 Wireless Mechanical Keyboard Version3
K3 Wireless Mechanical Keyboard (Version 3) x 1 Type-A to Type-C Cable x 1 Switch Puller (Hot-Swappale Version only) x 1 Keycap Puller x 1 Manual x 1 Quick Start Guide x 1 Extra Keycaps Set x 1
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QUICK START GUIDE
If you are a Windows user, please find the appropriate keycaps in the box, then follow the instructions below to find and replace the following keycaps.
Mac / Windows
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1 Connect Bluetooth 2 Connect Cable
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Bluetooth / OFF /
Press fn + 1 (for 4 seconds) and pair with device named Keychron K3 Version 3
fn + 1
Bluetooth / OFF /
3 Switch To The Right System
Please make sure the system toggle on the top left corner has been switched to the same system as your computer's operating system.
Win
Mac
4 The Backlight
Press fn + Q to change the lighting effect
Press fn + tab to turn the backlight on/off
fn + Q
fn + tab
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5 Adjust The Backlight Brightness
Press fn + W to increase the backlight brightness
Press fn + S to decrease the backlight brightness
fn + W
6 Adjust The Backlight Speed
Press fn + T to increase the light effect speed
fn + S
Press fn + G to decrease the light effect speed
fn + T
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fn + G
7 The Layers
There are four layers of key settings on the keyboard. The layer 0 and layer 1 are for the Mac system. The layer 2 and layer 3 are for the Windows system.
If your system toggle is switched to Mac, then the layer 0 will be activated.
If your system toggle is switched to Windows, then the layer 2 will be activated. Remember that if you are using it in Windows mode, please make changes to the layer 2 instead of the top layer (the layer 0). This is a common mistake people are making.
8 The Keychron Launcher App
Please visit launcher.keychron.com to use the online Launcher web app to remap the keys, create macro commands, or flash the firmware. If the Launcher cannot recognize your keyboard, please reach our support to get the instructions.
*The online Launcher can only run on the latest version of Chrome, Edge, and Opera browsers. *The Launcher only works when the keyboard is connected by wire to the computer.
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9 Factory Reset & Firmware Update
fn + J + Z
Troubleshooting? Don't know what's going on with the keyboard?
Factory reset your keyboard 1. Power on your keyboard. 2. Press and hold fn + J + Z (for 4 seconds). The keyboard backlight will flash in red quickly for 3 seconds, indicating that the keyboard has been reset.
Flash your keyboard firmware 1. Visit launcher.keychron.com to open the online Launcher web app. 2. Ensure the keyboard is in Cable or Wired mode and plug in the power cable. 3. Find the 'Firmware Update' tab on the left side of the Launcher and connect your keyboard with it. 4. Follow the instructions on the Launcher and complete the firmware update.
*Step-by-step guide, search the keyword "firmware" on keychron.com.
10 Warranty
The keyboard is highly customizable and easy to be rebuilt. If anything goes wrong with any of the keyboard components of keyboard during the warranty period, we will only replace the defective parts of the keyboard, not the whole keyboard.
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K3 WIRELESS MECHANICAL KEYBOARD (VERSION 3) SPECIFICATIONS
Number of keys: 84 Switch type: Mechanical Battery: 1550mAh Charging time: Around 3 hours Charging port: Type-C Mode: Bluetooth / Wired Bluetooth operating distance: Within 10 meters (open space) Name of Bluetooth device: Keychron K3 Version 3
Function Charging Bluetooth Caps Lock
LED Location Power Indicator
Status
Low Power - Red Light Blinking Charging - Static Red Full charged - Static Green
Switching - Fast Blinking
Bluetooth Channel Indicator
Paired - Light Off Pairing - Slow Blinking
Caps Lock Indicator
Enable Caps Lock - Static White Disable Caps Lock - Light Off
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K3 WIRELESS MECHANICAL KEYBOARD (VERSION 3) OVERVIEW
Mac
Windows 10
Bluetooth Channel Indicator Win/Android Mac/iOS (OS Toggle) Bluetooth / OFF / Cable (Connection Mode Toggle) Type-C Port Power Indicator Caps Lock Indicator
DEFAULT KEY LAYOUT:
LAYER 0: This layer will be activated when your keyboard's system toggle is switched to Mac.
Esc
Scr -
Scr +
MCtl
LPad Brght - Brght + Prvs
Play
Next
Mute
Vol -
Vol +
SShot
Del
RGB
Md+
Backspace
pgup
Tab
pgdn
Caps Lock Left Shift
Enter Right Shift
home end
Left Ctrl
LOpt
LCmd
RCmd MO(1)
RCtl
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LAYER 1: This layer will be activated when your keyboard's system toggle is switched to Mac and press the fn/MO(1) key.
BTH1 BTH2 BTH3
RGB Toggle
RGB Md+
Brght+
Hue+
Sat+
ES +
RGB Md-
Brght-
Hue-
Sat-
ES -
Batt
NKRO
RGB Toggle
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LAYER 2: This layer will be activated when your keyboard's system toggle is switched to Windows.
Esc
Tab
Caps Lock
Left Shift
Left Ctrl
LWin
LAlt
Print
Del
RGB
Md+
Backspace
Enter
Right Shift
RAlt
MO (3) RCtrl
LWin = Left Windows LAlt = Left Alt RAlt = Right Alt RCtl = Right Ctrl
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LAYER 3: This layer will be activated when your keyboard's system toggle is switched to Windows and press the fn/MO(3) key
Scr-
Scr+
Task
File
Brght- Brght+ Prvs
Play
Next
Mute
Vol-
Vol+
BTH1 BTH2 BTH3
RGB Toggle
RGB Md+
Brght+
Hue+
Sat+
ES +
RGB Md-
Brght-
Hue-
Sat-
ES -
Batt
NKRO
RGB Toggle
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KEY DESCRIPTION
Key Description
Scr-
Screen Brightness Decrease
Scr+
Screen Brightness Increase
Bright-
Backlight Decrease
Bright+
Backlight Increase
Prvs
Previous
Play
Play/Pause
Next
Next
Mute
Mute
Vol-
Volume Decrease
Vol+
Volume Increase
RGB Toggle Turn Backlight on/off
RGBMd+
RGB Mode Next
Key Description
RGBMd-
RGB Mode Previous
Hue+
Hue Increase
Hue-
Hue Decrease
ES +
Effect Speed Increase
ES MO(1) MO(2) MO(3) BTH1
Effect Speed Decrease
Layer 1 will be activated when holding this key Layer 2 will be activated when holding this key Layer 3 will be activated when holding this key
Bluetooth Host 1
BTH2
Bluetooth Host 2
BTH3
Bluetooth Host 3
Sat+
Saturation Increase
SatBatt NKRO
Key Description Saturation Decrease Battery life N-key rollover
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FUNCTION DESCRIPTION: CHARGING
Plug the cable into a USB port and plug the other end into the keyboard port. Power indicator: A red light will stay on while charging; Fully charged in around 3 hours, a green power indicator will appear.
*The keyboard is compatible with all USB ports. Please use a 5V 1A adapter or USB 3.0 for the best performance. The keyboard can be charged in Cable/Bluetooth mode. **This product supports up to 5V charging voltage and 1A charging current. We are not responsible for any problems caused by improper charging.
BLUETOOTH/WIRED MODE ( MODE TOGGLE)
1. Switch the toggle to the Cable option 2. Connect our cable with your PC and keyboard. 3. Backlighting will be turned on. *Under Wired Mode, keyboard will not enter into Battery Saver Mode.
1. Switch the toggle to the Bluetooth option. 2. Backlighting will be turned on. 3. Hold "fn+1" key for 4 seconds to activate Bluetooth pairing (the Bluetooth channel indicator fast flashes
for 3 minutes to detect pairing). 4. Search for the Bluetooth device "Keychron K3 Version 3" on your device and connect it (the Bluetooth
channel indicator goes off after successful pairing).
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Note: This keyboard supports pairing up to 3 devices simultaneously via key combination "fn" + "1" / "fn" + "2" / "fn" + "3". *The Bluetooth channel indicator will continue to flash for 3 minutes. **Slow or failed connections may exist due to different Bluetooth versions, please make sure all the settings are correct.
Short press key combination "fn" + "1" / "fn" + "2" / "fn" + "3" to switch to other device.
RECONNECT: 1. Switch the keyboard to the Bluetooth option to activate the keyboard. 2. The Bluetooth channel indicator flashes for 3 seconds and automatically pairs with the last paired device. 3. If the Bluetooth channel indicator is off, press any button to enter the connection again. *The keyboard must have been paired with the device to perform this function.
TURN OFF THE KEYBOARD Switch the keyboard to the OFF option.
AUTO SLEEP MODE: Under Wired Mode, the keyboard will not enter into Auto Sleep Mode. Under Bluetooth Mode, after 10 minutes of inactivity, the keyboard backlight turns off.
After 2 hours of inactivity, the keyboard will enter deep sleep mode and disconnect the wireless connection.
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BACKLIGHT SETTING Short press key combination "fn"+or "fn" +"tab" turn the backlight on/off. Short press key combination "fn"+"Q" or "fn"+"A" to switch between types of lighting effects.
OS TOGGLE SWITCH 1 -- MAC/iOS Switch the toggle to Mac/iOS when the keyboard is connected to a Mac or iOS operating system. 2 -- WINDOWS/ANDROID
3 -- INPUT METHOD SWITCH
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My keyboard isn't working in Bluetooth mode. For the computer/smartphone: Go to your device Bluetooth settings>Select the keyboard and remove/delete/unpair it. Then restart your device. For the keyboard: Turn the keyboard off and back on. Then reconnect it to your device.
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Bluetooth connection is interrupted even within 10 meters.
Third-party input tools are not compatible with the keyboard. Due to compatibility, versions, brands and drivers of Windows/Android OS, functions of third-party input tools may be affected while using the keyboard. Please make sure your operating system and drivers are up to date.
Certain fn keys or multimedia keys does not work under Windows/Android mode. Functions of certain multimedia keys may be disabled due to compatibility, versions, brands and drivers of Windows/Android OS. Certain multimedia keys or function keys do not work. Functions of certain multimedia keys may be disabled due to compatibility, versions, brands, and drivers of devices. *Multimedia keys:
Function keys:
Safety Precaution: Keep the product, accessories and packaging parts out of the reach of children to prevent any accidents and choking hazards.
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K Version 3
Keychron K (Version ) x Type-A to Type-C x () x x x x x
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Windows
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1 2
fn+ : Keychron K Version
Bluetooth / OFF /
fn + 1
Bluetooth / OFF /
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3
, ,
Win
Mac
4 /
fn+Q
fn+tab/
fn + Q
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fn + tab
5
fn+W
fn + W
6
fn+T
fn + T
fn+S
fn + S
fn+G
fn + G
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7
Mac Windows
Mac
Windows Windows
8 Keychron Launcher App
launcher.keychron.com Launcher App Launcher App
*Launcher AppChromeEdgeOpera *Launcher App
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9 &
10
fn + J + Z
. . fn + J + Z
. launcher.keychron.com Launcher web app .Cable .Launcher"" .Launcher
* keychron.com "Firmware"
K (Version )
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K Version
Mac
Windows
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K Version
mAh Type-C / Keychron K Version
LED
LED
-- -- --
-- -- --
-- --
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Mac
Esc
Scr -
Scr +
MCtl
LPad Brght - Brght + Prvs
Play
Next
Mute
Vol -
Vol +
SShot
Del
RGB
Md+
Backspace
pgup
Tab
pgdn
Caps Lock Left Shift
Enter Right Shift
home end
Left Ctrl
LOpt
LCmd
RCmd MO(1)
RCtl
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Macfn/MO()
BTH1 BTH2 BTH3
RGB Toggle
RGB Md+
Brght+
Hue+
Sat+
ES +
RGB Md-
Brght-
Hue-
Sat-
ES -
Batt
NKRO
RGB Toggle
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Windows
Esc
Tab
Caps Lock
Left Shift
Left Ctrl
LWin
LAlt
Print
Del
RGB
Md+
Backspace
Enter
Right Shift
RAlt
MO (3) RCtrl
LWin = Left Windows LAlt = Left Alt RAlt = Right Alt RCtl = Right Ctrl
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Windowsfn/MO()
Scr-
Scr+
File
Task
Brght- Brght+ Prvs
Play
Next
Mute
Vol-
Vol+
BTH1 BTH2 BTH3
RGB Toggle
RGB Md+
Brght+
Hue+
Sat+
ES +
RGB Md-
Brght-
Hue-
Sat-
ES -
Batt
NKRO
RGB Toggle
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K Version
ES +
+
ES -
-
SatBatt NKRO
BTH BTH BTH Sat+
+
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USB % *USBUSB.V-A * / * *VA
-"fn+ ""fn+tab"/ -"fn+Q"/"fn+A"
/ . "" BT . . "fn+" . "Keychron K Version" "fn+"/"fn+"/"fn+"
*
"fn+"/"fn+"/"fn+" *
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. Bluetooth . . *
. "" Cable USB . USB Type-C . *
""OFF
-- MacOS / iOS MaciOSMac/iOS -- WINDOWS / Windows Android Win/Android
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-- iOS: Ctrl + Space Caps >>>
Shift + Space
Windows / OS
Windows -
WindowsHID
>
/>/
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Windows / Android *
-°C°F°C°F
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