For the RK84 75% gaming keyboard, we’ve included all the normal and useful function keys that can be accessed via the key combinations. Here is the table for all the key combinations and functions it can access.
BACKLIGHT CONTROL
| FN + Home | Switch Backlight Mode |
| FN + ↑ | Backlight Brightness + |
| FN + ↓ | Backlight Brightness - |
| FN + End | Switch Backlight Color |
| FN + → | Backlight Speed + |
| FN + ← | Backlight Speed - |
MULTIMEDIA KEY FOR WINDOWS
（Press FN + A Switch in Window System)
| Keys | Function |
| Fn + F1 | Computer |
| Fn + F2 | Browser |
| Fn + F3 | Mailbox |
| Fn + F4 | Calculator |
| Fn + F5 | Player |
| Fn + F6 | Stop |
| Fn + F7 | Last Song |
| Fn + F8 | Play / Pause |
| Fn + F9 | Next Song |
| Fn + F10 | Mute |
| Fn + F11 | Volume - |
| Fn + F12 | Volume + |
MULTIMEDIA KEY FOR MAC
（Press FN + S Switch to Mac System)
| Keys | Function |
| Fn + F7 | Last Song |
| Fn + F8 | Play / Pause |
| Fn + F9 | Next Song |
| Fn + F10 | Mute |
| Fn + F11 | Volume - |
| Fn + F12 | Volume + |
FAQ:
Q: Can it work with a PS4, PS5 or Xbox?
A: RK keyboards are compatible with some games of PS4, PS5 and Xbox on wired mode. Our keyboard can't connect with Xbox one, PS4 and PS5 through Bluetooth mode.
Q: Why the keyboard becomes disconnected in the Bluetooth mode?
A: When the battery level is low, the keyboard cannot support the BT function normally, Please re-update the Bluetooth function of the device and fully charge the keyboard.
Q: What are the keycaps made out of?
These are actually ABS keycaps.
Q: what size is the spacebar? 6.25u or 7.00u?
6.25u
Q: How many keypresses are the switches rated for?
the RK switches are rated to a lifespan of 50 million keystrokes.