Mamiya PRO 645 - Manual (Page 8)

Focusing Screen N 13 Gold Plated Contacts
These contacts interface the
Aperture Ring Couping Pin
This pin is fitted into the Ex-
posure Meter Coupler of the
lens, to transmit the aperture
data to the AE Prism Finder.
AEPrism Finder with the ISO
dial on the film holder and
the shutter speeds.
Hot-shoe (X contact)
A cordless flash can be used
Battery Check Lamp
Focusing Screen Release Pin
When you want to change
the screen. slide this pin to
the left and remove the
screen.
with this shoe.
Lens Release Button
collar is turned to the red dot.
Auxiliary Release Contact
When the cover is moved to
the left. the contact appears.
This contact is used for con-
nections of external releases
such as a special hand grip
and remote control unit.
Mirror
Never touch the surface of
the mirror.
Battery Check Button
LED displays the present
battery condition.
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