2. Connect via Bluetooth
Press Fn + 1 (for 4 seconds) and pair with
device named Keychron K3 Max
Switch toggle to Bluetooth.
20 b.
3. Connect Cable
Switch toggle to Cable.
4. Switch to the Right System
The Keychron keyboard is designed to support both Mac/iOS and Windows/Android systems. To
ensure optimal functionality, select the appropriate system mode.
5. The Backlight
Press fn + Q to change the lighting effect
Press fn + tab to turn the backlight on / off
5