Read-only: connected through the 2.4G receiver.
The keyboard shows its settings over the receiver but ignores changes, so editing is turned off.
To make changes, plug in the USB cable, then
and choose “W909 Pro USB”.
Disconnected
Plug in the W909 with its USB cable and click Connect keyboard.
Syntax.
Knob turn
Joystick directions
Click any key, the knob or the joystick to change what it does. Small text on a key is its printed legend; the big text is what it currently sends.