Canon A-1 - Manual (Page 126)

the total viewing area. Push and hold in the
exposure memory switch to lock the ex­
posure value metered for your subject. Now
step back and compose the picture as you
like. Change the aperture or shutter speed,
depending upon which priority you are in,
if necessary. Continuing to hold in the
exposure memory switch, press the shutter
button. Your subject will be correctly
exposed.
Of course, you have a problem if you cannot
approach your subject to meter it directly.
Then try to find an approachable subject
which you think would give the same ex­
posure value as your subject. Meter it, push
in and hold the exposure memory switch.
Compose your subject and shoot for correct
exposure.
Please note that you must hold in the
exposure memory switch until after you
press the shutter button. It does not lock.
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