Identifies as USB Serial vendor 0x2192 product 0x0010
Sends data at 9600 bps 8N1

AUX1/2/3 buttons
single tap X1S / X2S / X3S
double tap X1C / X2C / X3C
press and hold X1L / X2L / X3L (on release)

rotate dial anti/clockwise  D / U
faster D/U02..D03..D04 up to at least 6

all followed by semicolons, no carriage returns

example:
D;D;D;U;U02;U03;U04;U03;U05;U04;U05;U05;U06;U05;U05;U05;U05;U05;U05;

Sends F0304;F0304; on reset