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Weight
Transmitter: 35g (without battery)
Receiver: 105g
Dimension
Transmitter: 62.9mm×39.2mm×28.8mm
Receiver: 74.5mm×48.0mm×31.3mm
Channel setting
JF-220U transmitter channel selector is inside the battery hatch while the receiver is
on the surface.
Follow the OPEN direction icon of transmitter to slide out the battery door and set the
channel.
Set the channel for the receiver on the surface.
16 channels selectable for Transmitter and Receiver.
Please make sure the Transmitter and Receiver are on the same channel.
1 2 3 4
ON
DIP
1 2 3 4
ON
DIP
Replacing Transmitter Batteries