Film Rewinding; Manual Film Advance - Nikon Motor Drive MD-12 Instruction Manual

FILM REWINDING
When the roll of film in the camera has been fully
exposed, the MD-12's motor will automatically stop,
releasing film tension, with the pilot lamp remaining
lit. Turn the power switch off to prevent unnecessary
battery drain. Then, push the rewind slide on the
motor drive up. Rewind the film normally. See your
camera's instruction manual for details.
10
MANUAL FILM ADVANCE
If at any time you wish to manually advance the film
without removi ng the MD-12 from the camera, turn off
the motor drive's power switch after it has finished
advancing the film from the previous exposure. Then,
in the case of the FM (Serial No. below 3,OOO,OOO),
turn the mode selector switch so that the black line
(white, on black camera bodies) is adjacent to the line
on the camera body. As for the FM (Serial No. over
3,000,000) or the FE, it switches automatically from
motor drive to manual film advance operation when
the motor drive is switched off.