Keychron K3 - Keyboard Modes and Settings; Battery Saver Mode; OS Switch

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Turn off the keyboard
Switch to “Off”
Battery Saver
Under Bluetooth mode, the keyboard backlight turns off when it is inactive for 10
minutes. Tap any button to wake the keyboard. If want to disable this auto battery save
mode, press fn+S+O for 4 seconds. Then if want to enter this power save mode again,
press fn+S+O+ for 4 seconds.
Backlit Setting
• Short press to switch between different types of lighting effects.
• When backlit is on, press button to switch among them. Short press fn and left
arrow or fn and right arrow adjust light colors. (For RGB version only)
OS Switch
1-MAC/iOS
Turn the switch to Mac/iOS when you are connected to a Mac or iOS operating system.
2-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 “Alt”
functions.
3-Input Method Switch
For iOS:
Input method switch: Ctrl + Space
Caps Lock: Caps (Enable General > Keyboard > Hardware Keyboard> Caps Lock
Language Switch)
For Android:
Input method switch: Shift + Space
NOTE: Functions of certain multimedia key 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.