Canon A-1 - Manual (Page 97)

is necessary, do not attempt to do it yourself
but take it to an authorized Canon service
facility. The film compartment also requires
occasional cleaning with a blower brush to
remove accumulated film dust particles
which might scratch the film. When doing
this, take special care NEVER to exert
pressure on the shutter, the rail surfaces or
the pressure plate.
Salt and sand are your camera's worst
enemies. After using it on a beach, clean it
thoroughly. If you accidentally drop it in
the water, it may be irreparable but take it
immediately to an authorized Canon service
facility.
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Using the Camera in Extremely
Cold Conditions
In extremely cold conditions, always
protect the camera from outside air
and try to finish shooting as quickly
as possible.
In temperatures below 0º C (32º F),
the battery may be affected, so you
may want to carry a spare. Keep the
camera and spare battery close to your
body or in a pocket to keep them
warm until you are ready to take a
picture. Although the battery may not
function well in cold conditions, don't
throw it away. It may work perfectly
again when you use the camera in
warmer temperatures.
Avoid extreme temperature changes.
Condensation forming on a camera
and lens taken from subzero outside
temperatures into a warm room may
cause corrosion. Let the camera grad-
ually adjust to the temperature change
by placing it in a completely sealed
plastic bag for a while.
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