If you have lost your manual, bookmark this command list. It covers 99% of what the physical manual explains regarding function keys:
While a direct URL for a PDF can change, you can often find the official manufacturer documentation on Riitek’s product page .
Plug the USB receiver into your computer. Press Fn + 4 to switch to 2.4G mode. The indicator light will flash rapidly when pairing, slowly when reconnecting, and remain solid when connected. rk908 bluetooth keyboard manual link
Optimizes the keyboard layout for Windows operating systems. FN + S Swaps keys to match the macOS layout (Command/Option keys). Backlight Effects FN + \
Sometimes, even with the manual, things go wrong. Here are solutions to the most common RK908 issues. If you have lost your manual, bookmark this command list
– Once paired, a quick tap of Fn + Q/W/E allows you to jump between your phone, tablet, or laptop. 💡 Backlight & Customization The features 9 distinct backlight modes and 7 colors.
Press FN + Q , FN + W , or FN + E to choose your profile slot. Press Fn + 4 to switch to 2
A: You can change the operating system layout by pressing Fn+A for Windows or Fn+S for Mac.
Ensure you are using the provided USB-C cable. Some high-wattage laptop chargers (PD chargers) may not trigger the charging circuit on mechanical keyboards. Plug it into a standard USB port on your computer. Keys Not Registering