Pentax K-5 Operating Manual page 36

Pixel Mapping is a function for mapping out and correcting defective pixels
in the CMOS sensor.
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Select [Pixel Mapping] in the [_ Set-up 4] menu and press
the four-way controller ( • ).
The [Pixel Mapping] screen appears.
Press the four-way controller (•)
to select [Pixel Mapping] and
press the OK button.
Defective pixels are mapped and
corrected, and the screen that was
displayed before selecting the menu
appears again.
Pixel Mapping
Checks the image sensor
and corrects defective pixems
Cancel
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When the battery level is low, the message [Not enough battery power
remaining to activate Pixel Mapping] is displayed on the monitor. Use the AC
adapter kit K:AC50 (optional) or change to the battery with ample power
remaining.