Quick start guide

08
PAIR TRANSMITTER AND RECEIVER
U4 has six channels.
Use the channel switch button to switch
the channel. Set the Receiver channel
same with Transmitter. The blue Led
signal on the receiver will always be on
when the connection is successful.
CHANNEL SWITCH
CHANNEL SWITCH
MAX. 6 CHANNELS
1
4
3
2
5
6
SINGLE TRANSMITTER AND
MULTIPLE RECEIVERS
If you want to add more receiver,
just set the receivers to the same
channel as the transmitter.