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4-1-2 Adjusting the Black Balance
The black balance must be adjusted when:
z You use your AJ-SPX900E the first time;
z Your AJ-SPX900E has not been used for some time;
z The ambient temperature has changed substantially;
z The gain switchover value has been changed; or
z S.GAIN (super gain) has been set with the USER MAIN/
USER1/USER2 button.
1 Set the switches as illustrated below.
2 Tilt the AUTO W/B BAL switch so that it is positioned at
[ABB], then release it.
The switch returns to the central position with the black
balance automatically adjusted.
3 During adjustment, the viewfinder displays the following
message:
<Note>
During adjustment, the lens iris automatically becomes
CLOSE.
4 The adjustment will take effect in a few seconds and the
following message will appear:
The adjusted value is automatically stored in the memory.
<Notes>
z Ensure that the lens connector is connected and the lens
iris is CLOSE.
z During a black balance adjustment, light is automatically
cut off.
z During a black balance adjustment, the gain switchover
circuit is automatically switched.
The viewfinder screen may flicker and/or display noise;
this is not a failure.
z If you find the black shading annoying after performing an
auto black balance adjustment, adjust the black shading.
To do so, go to the menu option DETECTION, move the
cursor (), then press the JOG dial button. The menu
option DETECTION can be found in the <BLACK
SHADING> screen, which is accessible from the
MAINTENANCE page.
Note that pressing the ABB switch for longer than five
seconds automatically performs an auto black balance
adjustment, followed by an automatic black shading
adjustment. (For more information, see the menu option
SHD. ABB SW CTL in [8-5-5 SW MODE].)
z To cancel the automatic black balance adjustment in
process (the viewfinder displays “ABB ACTIVE”), flip the
AUTO W/B BAL switch down to [ABB] again.
If automatic adjustment is canceled, the value in effect
before automatic adjustment will be used.
Retaining black balances
Each value in memory is retained even if the video camera-
recorder is turned off.
AUTO W/B BAL switch:
Used to perform ABB.
OUTPUT: CAM
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