Sony a7CR Help Manual page 484

Help Guide
Interchangeable Lens Digital Camera
ILCE-7CR
α7CR
Auto Pixel Mapping
Sets whether or not to automatically optimize the image sensor (pixel mapping). Normally, set this function to [On].
MENU → (Setup) → [Setup Option] → [Auto Pixel Mapping] → desired setting.
1
Menu item details
On:
Performs pixel mapping automatically at regular intervals when you turn off the camera.
During this time, shutter sounds will be produced.
Off:
Does not perform pixel mapping automatically.
Hint
If [Auto Pixel Mapping] is set to [Off], perform [Pixel Mapping] regularly. We recommend that you perform the operation once
every three days.
Note
If [Pixel Mapping] is not performed regularly, bright spots may appear in recorded images.
Related Topic
Pixel Mapping
Silent Mode Settings (still image/movie)
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