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Black Balance Adjustment
Chapter 3 Basic Adjustments and Settings
3-3 Black Balance
Adjustment
In order to maintain high picture quality when using the
camera, it is necessary to set the black balance
appropriately. After turning on the camera, apply power to
the camera for several minutes, then be sure to perform the
black balance adjustment before starting any picture
adjustment.
Automatic black balance adjustment
Push the assignable switch 4/AUTO BLK BAL switch on
the side of the camera or on the assistant panel down to the
position AUTO BLK BAL then release it.
Automatic black balance adjustment is performed.
During adjustment, “ABB: EXECUTING” is displayed on
the viewfinder screen. When the adjustment process is
completed successfully, the message “ABB: OK” is
displayed.
White flecks (Phenomena Specific to CCD Image
Sensors, page 127)
This camera has a function to automatically compensate
for white flecks during automatic black balance (ABB)
adjustments.
The white-fleck automatic compensation function of this
camera performs compensation for only one of three
channels R, G, or B during a single execution of ABB
adjustment. Therefore, repeating ABB adjustment three
times achieves compensation for all three channels R, G,
and B.
The three channels are processed in a circumstantially
determined order. The order and the compensation data
will be maintained even if the camera is turned off.
If the problem is not alleviated through the automatic
compensation, consult a Sony service personnel.
• During black balance adjustment, the mechanical shutter
is closed to shut out light.
• During black balance adjustment, the gain switching
circuit will work automatically, and the viewfinder
screen will flicker several times. This is not a
malfunction.
When automatic black balance adjustment fails
If the automatic black balance adjustment process does not
end successfully, the error message “ABB: NG” will be
displayed on the viewfinder screen for approximately three
seconds.
If this error message is displayed, try black balance
adjustment again.
If the error message continues to be displayed after several
attempts, the camera requires internal inspection.
LOCK
VF MENU/DISPLAY CANCEL/STATUS
4
AUTO
BLK
BAL
PAG E
RUN
SET
AUTO BLK BAL switch
Notes