Sony a (alpha) SLT-A33 Instruction Manual page 37

4
Select [Enter] with v, and press the center of the control
button.
The image sensor vibrates for a short time, and eliminates dust from the
sensor.
5
Turn off the camera.
To clean the image sensor using a blower
If another cleaning is needed after using the cleaning mode, clean the image
sensor using a blower following the steps below.
1
Perform the cleaning operation described in steps 1 to 4 of "To
clean the image sensor automatically using the cleaning mode
of the camera."
2
Detach the lens (page 27).
3
Push the V mark on the mirror
lock lever with a finger to lift up
the mirror.
• Be careful not to touch the surface of
the mirror.
Mirror lock lever
37