BATTERY CHECK AND MIRROR LOCK-UP
By pressing the selector lever to the "CHECK• RESET" position, you can check the batteries
and/or unlock the mirror.
Check the Batteries.
Move the selector lever to the "CHECK•RESET"
position. The battery check lamp indicates bat-
tery condition as follows:
The red lamp lights brightly — Battery volt- age is sufficient.
The red lamp flashes on and off — Batteries are very weak. Fresh batteries are recommended. 
The lamp does not light — Batteries are drain- ed. Replace them.
NOTE: Silver oxide batteries will last approxi-
mately one year. To avoid battery drain, make it
a point to switch off the selector lever when the
camera is not used.
Mirror Lock-Up
If the mirror is up, the field of view turns dark
through the viewfinder, and the film cannot be
advanced. This
no batteries are loaded or batteries are deplet-
ed, or 
the film is advanced during exposure. The mirror
down of the camera, but a
the "CHECK•RESET" position, and unlock the
mirror. In case 
, shooting can be resumed im- mediately. In case 
, replace batteries.
CAUTION: You cannot unlock the mirror after
battery replacement, if you omit pressing the selector lever to the "CHECK•RESET" position.
NOTE: When the mirror locks up, a battery drain
prevention device is activated to conserve power.
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