Nikon D300 User Manual page 346

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F
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Highlight one of the following
options and press
@.
To exit
without acquiring image dust
off data, press
MENU.
• [Start]:
The message shown at right will
be displayed and JlrEF" will appear in
the viewfinder and control panel
displays.
• [Clean sensor and then start]:
Select this
option to clean the image sensor
before starting. The message shown at
right will be displayed and JlrEF" will
appear in the viewfinder and control
panel displays when cleaning is
complete.
~
Image Sensor Cleaning
If the pictures that will be used with Image Dust Off have already
been recorded, do
NOT
perform image sensor cleaning before
acquiring dust off reference data. If image sensor cleaning is
performed after the pictures are taken but before dust reference data
are acquired, Image Dust Off will be unable to locate dust and
remove its effects.
1
Choose a start option.
2
Frame a featureless white object in the viewfinder.
With the lens about ten centimeters (four inches) from a well-
lit, featureless white object, frame the object so that it fills the
viewfinder and then press the shutter-release button halfway.
In autofocus mode, focus will automatically be set to infinity;
in manual focus mode, set focus to infinity manually.
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