Keychron K2 Pro Bluetooth Mechanical Keyboars Instruction Manual

: June 14, 2024
: Keychron

Table of Contents

Keychron K2 Pro Bluetooth Mechanical Keyboars
IN THE BOX
QUICK START GUIDE
Warranty
Factory Reset
KEYBOARD SPECIFICATIONS
KEYBOARD OVERVIEW
DEFAULT KEY LAYOUT
KEY DESCRIPTION
LED STATUS OVERVIEW
INPUT METHOD SWITCH
TROUBLESHOOTING
CONTACT
References
Read User Manual Online (PDF format)
Download This Manual (PDF format)

Keychron K2 Pro Bluetooth Mechanical Keyboars

Keychron-K2-Pro-Bluetooth-Mechanical-Keyboard-product

IN THE BOX

Keychron K2 Pro Bluetooth Mechanical Keyboard x 1
Type-C Cable x 1
Manual x 1
Quick Start Guide x 1
Extra Keycaps Set x 1

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.

$Keychron-K2-Pro-Bluetooth-Mechanical-Keyboard-fig-1 $1$$

Connect Bluetooth $Keychron-K2-Pro-Bluetooth-Mechanical-Keyboard-fig-1 $2$$
Connect Cable $Keychron-K2-Pro-Bluetooth-Mechanical-Keyboard-fig-1 $3$$
The VIA Key Remapping Software
- Please visit caniusevia.com to download the latest VIA software to remap the keys.
- If the VIA software cannot recognize your keyboard, please reach out to our support to get the instruction.
- (VIA only works when the keyboard is connected by wire to the computer.)
The Layers
- There are four layers of key settings on the keyboard.
- Layer 0 and Layer 1 are for the Mac system. Layer 2 and layer 3 are for the Windows system.
- If your system toggle is switched to Mac, then layer O will be activated.
- If your system toggle is switched to Windows, then 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. $Keychron-K2-Pro-Bluetooth-Mechanical-Keyboard-fig-1 $5$$
The Backlight $Keychron-K2-Pro-Bluetooth-Mechanical-Keyboard-fig-1 $6$$
Adjust The Backlight Brightness $Keychron-K2-Pro-Bluetooth-Mechanical-Keyboard-fig-1 $7$$
Adjust The Backlight Speed $Keychron-K2-Pro-Bluetooth-Mechanical-Keyboard-fig-1 $8$$

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.

Watch The Building Tutorial On Our Website

If you are building the keyboard for the first time, we highly recommend you watch the building tutorial video on our website first, then start building the keyboard yourself.

Factory Reset

$Keychron-K2-Pro-Bluetooth-Mechanical-Keyboard-fig-1 $9$$

Troubleshooting? Don’t know what’s going on with the keyboard?

Plug in the power cable and switch the keyboard to Cable mode.
Factory reset the keyboard by pressing fn + J + Z (for 4 seconds).
Download the right firmware and QMK Toolbox from our website.
Switch the keyboard to OFF mode and remove the space bar keycapto find the reset button on the PCB.
Hold the reset key first, then switch the keyboard to Cable mode. Release the reset key, and the keyboard will now enter DFU mode.
Flash the firmware with the QMK Toolbox. Factory reset the keyboard again by pressing fn + J + Z (for 4 seconds). Step by step guide can be found on our website.

KEYBOARD SPECIFICATIONS

K2 PRO BLUETOOTH MECHANICAL KEYBOARD SPECIFICATIONS

Number of keys : 84
Switch type: Mechanical
Battery: 4000mAh
Bluetooth working time (RGB): Up to 100 hours (Lowest brightness)
Charging time: Around 3 hours
Charging port: USB Type-C
Mode: Bluetooth / Wired
Bluetooth operating distance: Within 10 meters (open space)
Name of Bluetooth device: Keychron K2 Pro
Operating environment: -10 to 50°C

Technical specifications can be subjected to change without notice, we apologize for any inconvenience caused.

KEYBOARD OVERVIEW

K2 PRO BLUETOOTH MECHANICAL KEYBOARD OVERVIEW

$Keychron-K2-Pro-Bluetooth-Mechanical-Keyboard-fig-1 $10$$

Bluetooth indicator
Charging port
Battery indicator
Win/Android Mac/iOS (OS Toggle Switch)
BT OFF Cable (Mode Toggle Switch)

DEFAULT KEY LAYOUT

LAYER 0: This layer will be activated when your keyboard’s system toggle is switched to Mac.

$Keychron-K2-Pro-Bluetooth-Mechanical-Keyboard-fig-1 $12$$

LAYER 1: This layer will be activated when your keyboard’ssystem toggle is switched to Mac and press the fn/MO(1) key. $Keychron-K2-Pro-Bluetooth-Mechanical-Keyboard-fig-1 $13$$
LAYER 2: This layer will be activated when your keyboard’s system toggle is switched to Windows. $Keychron-K2-Pro-Bluetooth-Mechanical-Keyboard-fig-1 $14$$
LAYER 3: This layer will be activated when your keyboard’s system toggle is switched to Windows and press the fn/MO(3) key. $Keychron-K2-Pro-Bluetooth-Mechanical-Keyboard-fig-1 $15$$

KEY DESCRIPTION

Key Description

Ser-| Screen Brightness Decrease
Ser+| 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

when holding this key

M0(2)| Layer 2 will be activated

when holding this key

M0(3)| Layer 3 will be activated

when holding this key

M0(4)| Layer 4 will be activated

when holding this key

BTH1| Bluetooth Host 1
BTH2| Bluetooth Host 2
BTH3| Bluetooth Host 3

LED STATUS OVERVIEW

LED Location	Function	Status
Battery indicator	Charging	Low battery – Blinking Red Charging – Static Red

Fully charged – Static Green
Bluetooth indicator| Bluetooth| Pairing – Slow Blinking Paired – Light Off Switching – Fast Blinking

FUNCTION DESCRIPTION: CHARGING

Petbeater stows 5%, and pretty either indicator wile rid erect. red lint wirstay on while charging; Fully charged in around 3 hours, a green battery indicator will appear.
The Keychron keyboard is compatible with all USB ports. Please use a 5V 2A adapter or USB 3.0 for the best performance.
The Keychron K2 Pro can be charged in Bluetooth/on/off mode. tor any problems caused by improper charging and 2A charging current. We are not responsible

BLUETOOTH / WIRED MODE (MODE TOGGLE SWITCH) WIRED MODE

Switch the toggle switch to the Cable option (it only works when a USB cable is plugged in).
Connect our cable with your PC and keyboard.
Backlighting will be turned on.
- Under Wired Mode, keyboard will not enter into Battery Saver Mode.

BLUETOOTH MODE

Switch the toggle switch to the Bluetooth option.
Backlighting will be turned on.
Hold “fn+1” key for 4 seconds to activate Bluetooth pairing (the Bluetooth indicator fast flashes for 3 minutes to detect pairing).
Search for the Bluetooth device “Keychron K2 Pro” on your device and connect it (the Bluetooth indicator goes off after successful pairing).
- Note: This keyboard supports pairing up to 3 devices simultaneously via key combination “fn” + “1” / “fn” + “2” / “fn” + “3”.
- The Bluetooth 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.

SWITCH BLUETOOTH DEVICES

Short press key combination “fn” + “1” / “fn” + “2” / “fn” + “3” to switch to other device.

RECONNECT:

Switch the keyboard to the Bluetooth option to activate the keyboard.
The Bluetooth indicator flashes for 4 seconds and automatically pairs with the last paired device.
If the Bluetooth 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.

BACKLIGHT SETTING

Short press to switch between different types of lighting effects.
When backlighting is on, press the button to switch among them.

OS TOGGLE SWITCH

MAC/iOS
- Switch the toggle to Mac/iOS when the keyboard is connected to a Mac or iOS operating system.
WINDOWS/ANDROID
- Switch the toggle to Windows/Android when the keyboard is connected to a Windows or Android operating system.
- When using the Windows/Android mode, keys are used for “Windows” and “Al” functions.

INPUT METHOD SWITCH

For iOS: Input method switch: Ctrl + Space
Caps Lock: Caps (Enable General > Keyboards> Hardware Keyboard>Caps Lock Language Switch) forunmethod switch: Shift + Space
NOTE: Functions of certain multimedia keys may be disabled due to compatibility, versions, brands, and drivers of Windows/Android OS. We also recommend not to switch OS frequently as it may impact keyboard operations.

TROUBLESHOOTING

if unable to pair the keyboard to the device, confirm that the device you’re trying to pair with is Bluetooth-capable. If so, restart the device and try pairing it with the keyboard again.
- Note: On a Windows computer, a new Bluetooth connection will sometimes require an additional software updates process that may still be ongoing after a message appears indicating a successful completion.
Wait at least 20 minutes after pairing to make sure all updates are completed before restarting the computer.
Extra late Denie is conferred to accept Bluetooth connections Windows and supports an

Go to Bluetooth Devices > Open Settings and select the following:

Allow Bluetooth devices to find this computer
Allow Bluetooth devices to connect to this computer
Alert me when a Bluetooth device wants to connect
My keyboard isn’t working.

For the computer/smartphone:

Chen return the device veto settings» Select the keyboard and remove/delete/unpair it.

For the keyboard:

Turn the keyboard off and back on. Then reconnect it to your device.
Bluetooth connection is interrupted even within 10 meters.
Check if the keyboard is resting on a metal surface that can interfere with the Bluetooth signal.

Third-party input tools are not compatible with the keyboard.

Dietary molto semaine, bracted i de using the keyboard,
Please make sure your operating system and drivers are up to date.

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.
Always keep the product dry to avoid corrosion.
Do not expose the product to extreme temperatures below -10°C(5°F) or above 50°C(131°F) to preserve the lifespan of the keyboard.