Basic operation, Main switch, Shutter button – Canon EOS 3 User Manual
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1. Basic Operation
Main Switch
The camera operates only after the <^> switch is turned on. This main
switch has three settings:
not operate. Set to this position
when not using the camera.
: To turn on the camera, set to
this position. The “A” stands for
“Advance.”
<■»))>:
This
is
the
same
as
except that it also enables the
beeper to sound in the following
cases:
• Focus is achieved in One-Shot AF
mode.
• Focus is achieved with manual focus.
• During Eye-Control calibration.
(Short
beeps
for
successful
registration and intermittent beeping
for failed registration.)
When the camera is not to be used, set the Command Dial to
accidental battery drainage if the shutter button is held down inadvertently.
Shutter Button
You can press the shutter button halfway or all the way.
Hold the camera steadily and press the shutter button slowly without any
jerking
movement.
The
difference
between
halfway
and
complete
pressing of the shutter button is explained below. Beginners should
practice pressing the shutter button halfway and completely before
loading any film.
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