Keychron K5 Max Mechanical Keyboard User Guide

June 17, 2024
Keychron

Keychron K5 Max Mechanical Keyboard

Keychron-K5-Max-Mechanical-Keyboard-PRODUCT

USING INSTRUCTION

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.

  1. Connect 2.4GHz Receiver
    Note:
    For the best wireless experience, we recommend using the extension adapter for the receiver and putting the 2.4GHz receiver somewhere on your desk close to your keyboard for a low rate of latency and fewer signal interferences.

  2. Connect BluetoothKeychron-K5-Max-Mechanical-Keyboard-FIG-2

  3. Connect CableKeychron-K5-Max-Mechanical-Keyboard-FIG-3

  4. 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.Keychron-K5-Max-
Mechanical-Keyboard-FIG-6

  5. The Layers

  6. 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.

  7. If your system toggle is switched to Mac, then layer 0 will be activated.

  8. 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 a change to layer 2 instead of the top layer (layer 0) This is a common mistake that are making

  9. The VIA Key Remapping Software
    Please visit us via. app to use the online VIA software to remap the keys.
    If the VIA cannot recognize your keyboard, please reach our support to get the instruction. The online VIA software can only run on the latest version of Chrome, Edge, and Opera browsers yet.
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  10. The Backlight

    • Press fn + Q to change the lighting effect
    • Press fn + tab to turn the backlight on/off Keychron-K5-Max-Mechanical-Keyboard-FIG-5
  11. Adjust The Backlight Brightness

    • Press fn + W to increase the backlight brightness
    • Press fn + S to decrease the backlight brightnessKeychron-K5-Max-Mechanical-Keyboard-FIG-8

Warranty

The keyboard is highly customizable and easy to rebuild.
If anything goes wrong with any of the keyboard components of the keyboard during the warranty period, we will only replace the defective parts of the keyboard, not the whole keyboard.

Factory Reset

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

  1. Download the right firmware and QMK Toolbox from our website.
  2. Unplug the power cable and switch the keyboard to Cable mode.
  3. Remove the space bar keycap to find the reset button on the PCB.
  4. Hold the reset key first, then plug the power cable into the keyboard. Release the reset key after 2 seconds, and the keyboard will now enter DFU mode.
  5. Flash the firmware with the QMK Toolbox.
  6. Factory reset the keyboard by pressing fn + J + Z (for 4 seconds).
    Step by step guide can be found on our website.

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support@keychron.com

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