Canon A-1 - Manual (Page 19)

Loading the Battery
This camera will not function unless a
battery is loaded. Use one brand-new silver
oxide or alkaline-manganese battery as speci-
fied in the table below or an equivalent bat-
tery of another brand.
Usable Batteries
Silver Oxide
Battery (6V)
Eveready (UCAR)
No. 544
JIS4G13
Mallory PX 28
Alkaline-manganese
Battery (6V)
Eveready (UCAR)
No. 537
It can be loaded and unloaded more easily
before the lens is mounted, and, of course,
if the action grip is attached, it must be
removed while loading. You should always
wipe the battery poles with a clean, dry
cloth before insertion to prevent any cor-
rosion and damage to the camera due to
dirt or fingerprints.
To load the battery:
1. Apply either a fingernail or the eyepiece
protective cover, which is inserted into
the accessory shoe of the camera, into the
groove of the battery chamber cover and
lift lightly so that the cover flips up.
2. Following the diagram on the inside of
the battery chamber, load the battery
negative pole first, pushing it downwards
in the chamber. Make sure the poles are
facing in the correct directions. Incorrect
loading can lead to possible corrosion and
damage to the battery terminals besides
causing the battery to discharge very
quickly.
To unload the battery, simply tip the posi-
tive end forwards and pull it out from the top.
The battery should be removed if the
camera is not to be used for an excessively
long period of time.
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