Keychron V5 Benutzerhandbuch Seite 7

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.
The Backlight
Press fn + Q to change the lighting effect.
Press fn + tab to turn the backlight on/off.
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