udir/c UDI023 Operation Manual page 7

Battery installation of transmitter
Open battery cover at the bottom of transmitter. Install batteries. Follow the
direction of batteries designated in the inside of the battery box.
1) Power on the transmitter, will sound
"di", and the red indicator light flashes.
Note Direction
Frequency matching
1.5V×4 AAA Batteries(not included)
Do not touch the throttle
trigger when turning on the
power of the transmitter.
Please make sure the transmitter
throttle trigger and Steering wheel
to normal.
2) Connected the boat battery, the
transmitter will sound "didi", it means
frequency pairing successful.
3) Tighten the hatch cover.
It is recommended to be familiar with
the operation on the surface of the
water before long distance navigation.
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Battery Cover