Alwarerc Senrigan GP-55 3-Axis Brushless Gimbal (For 600 -1000 Size Multicopter) - Manual (Page 14)

The Pan(+-360 degree) and Tilt(+45-90
degree) axis of GP-55 can be controlled
by using any two Free channels of your
receiver.
Finish assembly. Mount GP-55 to the Multicopters.
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