Minolta SR-M Owner's Manual page 21

5 . At this point, test lamp will light if bat·
teries are still capable of transporting
film at 2.5 frames per second. If test
lamp does not light, fresh batteries
should be inserted .
CAUTION:
·Be sure to slide battery checker into the
shoe of battery grip all the way .
• Do not lea ve battery checker in position
for more than 5 continuous seconds, as
this will weaken batteries.
·Be careful not to touch terminals.
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