Samsung L830 Service Manual page 45

Ⅲ. ADJUSTMENT
6) B/T LEVEL ADJ
You can adjust the voltage threshold for the battery level indicator.
< Adjustment Procedures >
a...Prepare the power supply.
b...Connect the power supply and the camera using the battery jig.
c...Set the voltage to 2.71V.
d...Save the corresponding adjustment file into the SD card.
e...Install the SD card containing the program file and turn the camera on.
f...The adjustment is conducted automatically. The LCD screen appears black.
g...When the adjustment is complete, the camera will automatically be turned off.
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