When hoisting a boat on gravity type davits using an electric motor driven winch, the davit arms should be brought up __________.

A
to their final position with the winch operating at slow speed
B
to the bar stop, and then hand cranked to their final position
C
until just before they make contact with the limit switch, and then hand cranked to their final position
D
to the embarkation deck, and then hand cranked to their final position
E