Aputure LS 300x - Remote Control - Channel & Group Settings; Configuring Channel and Group; Adjusting Brightness Remotely

Press the GROUP button to toggle between groups A, B, C, & D.
2. Configuring channel settings on the remote
3. Adjusting brightness
Press A/B/C/D to toggle the lights on or o, press ( / ) to adjust the brightness of the light from 0 to
100% accordingly