Samsung L830 Service Manual page 41

Ⅲ. ADJUSTMENT
2) OB SETTING
Conduct OB setting for Preview and Capture to assess the low signal level of the input signal in order to define a
valid data range for low-luminance conditions.
< Adjustment Procedures >
a...Save the corresponding adjustment file into the SD card.
b...Install the SD card containing the program file and turn the camera on.
c...The adjustment is conducted automatically.
d...When the adjustment is complete, the camera will automatically be turned off.
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