Cleaning the cmos sensor n – Canon EOS Rebel XT User Manual

Page 39

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39

The image sensor is like the film in a film camera.If any dust or other
foreign matter adheres to the image sensor, it may show up as a dark
speck in the images. To avoid this, follow the procedure below to clean
the image sensor. Note that the image sensor is a very delicate
component. If possible, you should have it cleaned by a Canon Service
Center.
While you clean the image sensor, the camera must be turned on.
Using the AC Adapter Kit ACK-DC20 (optional, see page 158) is
recommended. If you use a battery, make sure the battery level is
sufficient. Before cleaning the sensor, detach the lens from the camera.

1

Install the DC Coupler

(p.24)

or a

battery and set the power switch
to <

1>.

2

Select [Sensor cleaning].

¡

Select the [

b] tab.

¡

Press the <

V> key to select

[Sensor cleaning], then press <

0>.

s

If you are using a battery with
sufficient power, the screen shown in
step 3 will appear.

¡

If the battery is exhausted, a warning
message will appear and you will not
be able to proceed further. Either
recharge the battery or use a DC
coupler and start from step 1 again.

3

Select [OK].

¡

Press the <

U> key to select [OK],

then press <

0>.

s

In a moment, the mirror will lockup
and the shutter will open.

s

CLEA n” will blink on the LCD panel.

3

Cleaning the CMOS sensor

N

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