Mamiya 7 User Manual page 6

Nomenclature and Functional Parts
Hot Shoe for mounting
electronic flash
Spool release levers
When replacing the film, be sure to
push this lever to the side to lower
the spool stud.
Film spool stud
Film holder spring
Back cover latch
Back cover lock release button
Shutter speed dial
When A or AEL on the shutter speed dial is aligned with the indicator
on the camera body, the dial will lock in place. To unlock it, rotate the
dial while pushing in the AE lock (AEL) release button located in the center.
Film advance lever
Advance until it stops - the shutter is then cocked.
Exposure compensation
lock release button
Film starting indicator
Be sure to align the film starting
indicator "' " on the camera with the
arrow on the film. (Incorrect alignment
may result in the film loading failure.)
Film setting index
dots
Pressure plate
Set the pressure plate
position according to the film
type (120 or 220/135) used .
Film type (120 or 220/135)
Position the pressure plate with either
the 120, 220 or 135 roll film index
mark.