Canon eos 40d 1901b014 User Manual

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<
2> : The camera is turned off and does 
not operate. Position for when you 
do not use the camera.
<
1> : The camera operates.
<
J>
: The camera and <
5> operate. 
(p.34)
The shutter button has two steps. You can press the shutter button 
halfway. Then you can further press the shutter button completely.
Pressing halfway
 (
0)
This activates autofocusing and 
automatic exposure that sets the shutter 
speed and aperture.
The exposure setting will be displayed 
on the LCD panel and in the viewfinder.
In the Creative Zone modes, pressing 
the <p> button will be the same as 
pressing the shutter button halfway.
Basic Operation
Power/Quick Control Dial Switch
Shutter Button
 
Whenever you set the power switch to <
1/J> or <2>, the sensor 
cleaning will be executed automatically. During the sensor cleaning, the 
LCD monitor will display a logo.
 
To save battery power, the camera turns off automatically after about 1 minute 
of non-operation. To turn on the camera again, just press the shutter button.
 
You can change the auto power-off time with the menu’s [5 Auto
power off
] setting. (p.42)
 
If you set the power switch to <
2> while the image is being recorded 
to the CF card, [Recording ...] will be displayed and the power will turn 
off after the CF card finishes recording the image.