Panasonic Lumix DMC-GF3 Basic Owner's Manual page 199

[MENU RESUME]
[PIXEL REFRESH]
•
Imaging device and image processing is optimized when the camera is purchased. Use this
function when bright spots that do not exist in the subject get recorded.
•
Turn the camera off and on after the pixels are corrected.
[SENSOR CLEANING]
•
Dust Reduction Function will operate automatically when the camera is turned on, but you can
use this function when you see dust.
[SHOOT W/O LENS]
•
When using a Leica lens mount adaptor (DMW-MA2M, DMW-MA3R; optional), set it to [ON].
Recording
The last operated menu position is saved even if the camera is
turned off.
[OFF]/[ON]
It will perform optimization of imaging device and image
processing.
Dust reduction to blow off the debris and dust that have affixed to
the front of the imaging device is performed.
(P183)
It is possible to setup so the shutter will not operate when there is
no lens on the unit.
[OFF]: You cannot press the shutter button when a lens is not
attached to the camera body or is not attached
correctly.
[ON]: Shutter will operate regardless of the lens on the unit.
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