Pentax 645 - CAMERA OPERATION BASICS; SHUTTER RELEASE WITHOUT FILM IN CAMERA

SHUTTER RELEASE WITHOUT FILM IN CAMERA
To release the shutter without film In the camera,
remove the film holder or fix the rear body cap.
The lens can be removed without affecting shutter
release operation. However, such operation is not
possible if the film holder without film is attached.
1. W h e n releasing the shutter without the film
holder, turn the main switch ON and then press
the shutter button to operate the shutter.
Be sure to set the C/S Switch to "S"'. Setting it
to "C" may cause erroneous operation and/or
functional problems.
Avoid releasing the shutter with the pin (indicated
in the photo by the " " mark) being pressed,
which may cause erroneous operations and/or
functional problems.
2. With the film holder removed, the available
shutter speed is 1/1000 sec. only if the aperture
ring is set to A (auto). Meanwhile, when the
aperture is shifted to any of respective f/stops,the
shutter can be operated at 1/1000 sec., 1/60 sec.
or B (bulb). For details, see the pages 32 and 33.
3. When Rear Body Cap 645 is attached in place of
the film holder removed, release the shutter once.
Then the selection of each photographic mode,
shutter speed and f-stop will become possible.
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