Pentax K-5 Operating Manual page 69

4
Press the four-way controller (•)
to select [Mirror Up] and press
the OK button.
The mirror is locked in the up position.
If you used Dust Alert to detect dust on
the sensor within the last 30 minutes, the
Dust Alert image appears on the monitor.
Clean the sensor while checking the
location of the dust.
Sensor Cleaning
Raises mirror and opens shutter
for access to clean sensor.
Turn the power off to finish
Cancel
Clean the CMOS sensor.
Use a brush-less blower to remove dirt
and dust from the CMOS sensor. Using a
blower with a brush may scratch the
CMOS sensor. Do not wipe the CMOS
sensor with a cloth.
Turn off the camera.
Attach the lens after the mirror returns to its original
position.