Canon EOS 1DS MARK II 9443A009 Instruction Manual (en)

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4
Press the shutter button 
completely. 
s
The mirror will lock up and the shutter 
will open. 
5
Cleaning the CMOS Sensor
¡
Use a rubber blower to carefully blow 
away any dust on the surface of the 
CMOS sensor. 
6
Exit the sensor cleaning. 
¡
Turn the <
4
> switch to <
2
>. 
s
The camera will turn off, the shutter 
will close, and the mirror will go back 
down. 
¡
Set the <
4
> switch to <
1
>. The 
camera will be ready to shoot. 
¡
Be sure not to turn off the camera while cleaning the CMOS sensor. If the 
power is turned off, the shutter will close and the shutter curtains might 
be damaged. 
¡
Use a blower not attached with a brush. The brush can scratch the 
CMOS sensor. 
¡
Do not insert the blower tip inside the camera beyond the lens mount. If 
the power goes out, the shutter curtains will close and the blower tip may 
damage then. 
¡
Never use canned air or gas to clean the sensor. The blowing force can 
damage the sensor or the spray gas can freeze on the sensor.