Leica R9 Instructions Manual page 191

After the mirror pre-release, the photograph
must be taken within approx. 2 minutes, as the
mirror automatically returns to its original positi-
on after this time to conserve the batteries.
Powering up the camera (tapping the shutter
release) during this waiting period restarts the 2
minutes. The shutter must be cocked again before
the next photograph. To prevent the film from
being wound to the next frame, the rewind
button can be pressed first. It is not possible to
reset the flipped up mirror manually.
Note:
Turning off the camera by turning the exposure
mode dial (1.11) into the OFF position, returns
the mirror to its original position, thereby ending
the function. However, if the lever is not moved
inwards, the next time the camera is turned on
and before the next photograph, the function
proceeds as described above.
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