MAIN AIR SYSTEMS

RAISE BOOM Extend arm fully with fingers closed and thumb pointing upward.

STOP Extend arm fully with fingers extended and palm facing down.

EMERGENCY STOP With arm fully extended, fingers fully extended and palm facing down, move arm rapidly along a horizontal plane.

TRAVEL With arm extended forward, hand open and raised at wrist, make a pushing motion in the desired direction of movement.

DOG EVERYTHING Clasp hands together in front of body.

TRAVEL (both tracks) With both fists clenched in front of body, make a circular motion with the desired direction of motion (forward or reverse) duplicated with fists.

LOWER BOOM Extend arm fully with fingers closed and thumb pointing down.

MOVE SLOWLY While giving any motion signal, hold other hand motionless in front of desired signal hand. (Hoist slowly is example provided.)