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3 Acquire dust off reference data.
Press the shutter-release button the rest of the way down to
acquire Image Dust Off reference data.
The monitor turns off
when the shutter-release button is pressed.
Note that noise
reduction will be performed if the subject is poorly lit,
increasing recording times.
If the reference object is too bright or too
dark, the camera may be unable to
acquire Image Dust Off reference data
and the message shown at right will be
displayed.
Choose another reference
object and repeat the process from
step 1.
D Image Sensor Cleaning
Dust off reference data recorded before image sensor cleaning is
performed can not be used with photographs taken after image sensor
cleaning is performed.
Select Clean sensor and then start only if the
dust off reference data will not be used with existing photographs.
D Image Dust Off Reference Data
The same reference data can be used for
photographs taken with different lenses or at
different apertures.
Reference images can not
be viewed using computer imaging software.
A
grid pattern is displayed when reference images
are viewed on the camera.