Checking The Battery - Canon A-1 Instructions Manual

Check ing the Battery
Life of !he batterv in normal use is
approximate ly one year. Using the camera
frequ ently at low shutter speeds, at the "13"
setting or in extremely cold conditions takes
mort' battt'ry pmve:- an<I requires replacing
the battery more ortcn.
The hattery requires checking under the
following circumstances:
I. When a new battery is loaded.
2. If
th e shutter will not function when the
main swikh is at "i\".
3.
When long exposures are frequently
made.
4 . When lhe <.:<tmera is used very frequen tly.
5. When the camera is used after it has been
s tored l"or an excessively long period of
tim e.
6. When the <.:amera is used in extr e mely
cold conditions.
To ch eck the power level of the banery, first
set the main switch to the ",\" position. lt
-20-
cannot be checked in the "L" position. Then
press the battery ch eck button on th e top of
the camera for two to three
seconds. If,
while pressing t h e battery check button ,
the LED on the top of the camera blinks on
and off rapidly, battery power is sufficient.
If it
blinks o nly slowly, twice per second, for
instance, or not at all, the power level is
insufficient and the batterv should be
replaced. It should also
be r~placed if
the
flashing frequen cy changes during the few
se<.:onds the <.:hc<.:k uutton is depressed,
indicating the bat te1y is near exhaustion.
I t is a good idea to carry a spare bnttery
when you expect to use the camern
con t inuously for a long time, such as on a
vacation, when you p lan to take a number o f"
tim e exposures on bulb, or when the camera
is to be u sed in very cold conditions.