User's Manual

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of the switch in both directions.
•When install the switch harness to the helicopter, please use the switch cover. Generally
sandwich the frame between the switch and switch cover and securely tighten the screws.
Different models might require different installations. If so, please follow the model’s
instruction manual.
To prevent the servo lead wires from being broken by vibration during flight, provide a
slight amount of slack or extra so that the wire sticks out slightly and fasten it at suitable
points. In addition, periodically check the wire during daily maintenance.
Upgrade/firmware version change/parameter setting cable
1. Install the T8FB upgrade drive files first.
2. Connection: One end of T8FB USB cable connect to computer and the other end connect to the
upgrade port which at the back of T8FB.
T8FB upgrade connector connection:
TXD connect to white wire, RXD connect to red wire, GND connect to black wire.
OR
TXD connect to white wire, RXD connect to green wire, GND connect to black wire.