= Keychron K2 Manual
:experimental:

== Connect Bluetooth

On the side of the keyboard, switch the toggle to Bluetooth. Press kbd:[fn + 1] ^+3 seconds+^ and pair with device named `Keychron K2`.

* kbd:[fn + 1] connect to 1st device
* kbd:[fn + 2] connect to 2nd device
* kbd:[fn + 3] connect to 3rd device

== Connect Cable

On the side of the keyboard, switch the toggle to Cable.

== Change Light effect

Light 💡 is the key in the upper right corner of the keyboard. 

* kbd:[fn + light] turn on/off backlight
* kbd:[light] change light effect
* kbd:[fn]+kbd:[right arrow]/kbd:[left arrow] change backlight color
* kbd:[f5] and kbd:[f6] keyboard brightness
* kbd:[fn + l + light] ^+6 seconds+^ lock/unlock the light effect you are using now
* kbd:[fn + +] and kbd:[fn + -] change the animation speed

[TIP]
If you use kbd:[f1], kbd:[f2] etc. keys as the standard function keys, then kbd:[f5] and kbd:[f6] will still control the brightness of the keyboard. To avoid this behavior, you need to long-press kbd:[fn + k + c] ^+3 seconds+^ after which the keyboard will blink three times.

== Miscellaneous

=== Battery

*White Backlight Version:*

* kbd:[fn + b], if the power is above 70%, the backlight of the whole keyboard will on; when it is 70%~30 %, backlight the first row will be off; when it is under 30%, the first 2 rows will turn off automatically

*RGB Backlight Version:*

* kbd:[fn + b], if the power above 70%, the charging indicator is green; 30%~70 %, the charging indicator will be blue; when it is under 30%, the charging indicator will keep flashing

=== Del

* kbd:[fn + Del] will perform as the kbd:[Insert] key
* kbd:[fn + i + d] ^+3 seconds+^ reverse the function of kbd:[Del] and kbd:[Insert]. Vice versa.

=== Etc

* kbd:[fn + s + o] ^+3 seconds+^ disable the Auto Sleep Mode
* kbd:[fn + z + j] ^+5 seconds+^ factory reset