Mamiya 645 AF - If the shutter cannot be released; Strap; Using a Tripod; Auxiliary Release Contact

If the shutter cannot be released
●The shutter cannot be released when the batteries are discharged or no batteries
are loaded.
●The shutter cannot be released while the film is being advanced.
●The shutter cannot be released while the flash is charging (while the flash mark is
flashing) when the shutter release mode is set to "C" (continuous shooting) with a
Metz flash mounted with the SCA 3951 adapter. The shutter can be released
once flash charging is completed.
●The shutter cannot be released when the magazine is not mounted.
●The shutter cannot be released while the ISO sensitivity is being set after mounting
the magazine.
●The shutter cannot be released when the magazine is mounted and the dark slide is
inserted.
●The shutter cannot be released when the magazine is mounted and the rear lid is
closed with the film wound up.
●When the mode setting button is pressed while the self timer is operating, the
self timer is canceled and the shutter will not be released.
●When the exposure mode setting dial is turned while the self timer is operating, the
self timer is canceled and the shutter will not be released.
●When the shutter release mode selector lever is operated while the self timer
is operating, the self timer is
canceled and the shutter will not be released.
●When the focus mode selector lever is operated while the self timer is operating,
the self timer is canceled and the shutter will not be released.
●When the exposure mode selector lever is operated while the self timer is
operating, the self timer is canceled and the shutter will not be released.
●The shutter cannot be released when one of the error messages is displayed.
●When the shutter release mode selector lever is set to "L" during long exposures
of over 1 second, the shutter closes and the long exposure mode is canceled.
Strap/Using a Tripod/Auxiliary Release Contact
Strap
Put the neck strap through the camera's strap
mount as shown on the diagram and tighten it.
For safety, check that the strap is securely
fastened to the strap mount.
Using a Tripod
When using a tripod with 3/8 inch screw thread
(instead of 1/4 inch screw thread) remove the
small screw “A”
from the tripod screw hole on
the bottom of the body using a Phillips
screwdriver, then use a coin to remove the
tripod screw adapter bushing “B”.
Auxiliary Release Contact
This is the Port for connecting a Mamiya
electromagnetic cable release (sold separately)
when taking photos with the mirror up, with long
exposures or with slow shutter speeds.
#804821 ............... 1m (3')
#804822 .................5m (15')