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During adjustment, a message like the one in the figure below
will be displayed on the viewfinder screen.
ABB:EXECUTING
When the adjustment process is completed, the message
"ABB: OK" will be displayed. The adjusted value is
automatically stored in memory.
Notes
• During black balance adjustment, the iris will be
automatically closed.
• 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.
About black balance memory
The black balance values stored in memory will be preserved
even when the camera power is turned off.
Adjusting the white balance
1
Set the WHITE BAL switch to A or B.
2
Select the filter setting using the filter select switch
according to the lighting conditions.
WHITE BAL switch
3
Place a white pattern in the same lighting conditions
as the subject, and zoom in on it so that a white area
is obtained in the screen to satisfy the positional and
quantitative requirements illustrated below.
A white object (white cloth, a white wall, etc.) near the
subject may be used in place of a white pattern.
A rectangle centered in the screen. The length of the sides
must be at least 70% of the height and width of the screen.
Within this rectangle, there must be an area of white greater
than 10% of the entire screen.
Note
Be careful not to have any spots of high illumination in the
rectangle.
4
Adjust the lens iris opening.
With a manually adjusted lens: Set the opening to an
appropriate value.
With a lens which has automatic iris control: Set the
lens' automatic/manual iris control switch to
automatic.
5
Push the AUTO W/B BAL switch to WHT and release
the switch.
AUTO W/B BAL switch
The switch will return to the center position, and adjustment
will be performed.
During adjustment, the message "AWB: EXECUTING" will be
displayed on the viewfinder screen.
A message like the one in the figure below will be displayed,
and the adjustment process will complete. The adjusted value
will be automatically stored in the memory (A or B) selected in
step 1.
Note
When using a zoom lens with automatic iris control capability,
1)
hunting
may occur. Adjust the lens' iris gain control (labeled
IG, IS, S, etc.).
15
AWB:OK
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