4 channels optional to avoid possible interference
Switch the receivers channels by remote control
Up to 100m (330ft.) transmission range in open space
Power on the machine unit with the adapter
Put the Camera on the correct position (note: metal shield will loss the signal)
Channel selection: press the channel selection key, and the LED display will show the number from 1 to 4, also can adjust the frequency channel by remote control, and the camera frequency channel selection key is behind.
Cycle frequency: press the channel key for 3 seconds the LED will display the number from 1 to 4 in turn and every number will keep 5 seconds, also can adjust the frequency channel by remote control
Adjust voice and video brightness on the receiver back knob