... C D four key control the two output channel, Channel A and Channel B.A. Select color, hold down for dimmingB. Flashing, hold ... 6th time: Channel A lighting 3 second, afterward, both channel lighting for 3 second, Channel A goes out, 3 seconds later, channel B goes ... up&downShort hit 9th time: Channel A 7color jumping, Channel B fadingShort hit 10th time: Channel A fading, Channel B 7 color jumping.C- ...