Pointer shows black plastic keeper that prevents control-rod wire end from falling off servo output arm. Output arm screw is securely in place. Without this screw, servo output arm might fall off. Which hole you select on servo output arm affects amount of control throw obtained.
Pointer shows black plastic keeper that prevents control-rod wire end from falling off servo output arm. Output arm screw is securely in place. Without this screw, servo output arm might fall off. Which hole you select on servo output arm affects amount of control throw obtained.