Adjusting The Black Balance And The White Balance; Adjusting The Black Balance - Sony PDW-680 Operation Manual

Adjusting the Black
Balance and the White
Balance
To ensure excellent image quality when using this
camcorder, conditions may require that both the
black balance and the white balance be adjusted.
Black balance adjustment
The black balance will require adjustment in the
following cases.
• When the camcorder is used for the first time
• When the camcorder has not been used for a
long time
• When the camcorder is used under conditions in
which the surrounding temperature has changed
greatly
• When the GAIN selector (L/M/H) values have
been changed by using the USER menu
It is not usually necessary to adjust the black
balance when using the camcorder after it has
been off.
White balance adjustment
Always readjust the white balance when the
lighting conditions change.
Viewfinder screen displays
If the black balance or white balance adjustment
is started, messages that report on the progress
and results are displayed on the viewfinder screen
when the VF DISP MODE item is set to "2" or
"3" on the VF DISP 1 page of the USER menu.
Note
Black balance and white balance adjustment values that
are automatically set by the camcorder and the various
settings are stored in the camcorder memory and retained
even when the power is turned off.

Adjusting the black balance

In automatic black balance mode, adjustments are
performed in the following order: black set and
black balance. Manual black balance adjustment
can be selected from the setup menu.
For details of manual black balance adjustment,
refer to the Maintenance Manual.
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Adjusting the Black Balance and the White Balance

2
1 OUTPUT/DCC switch
2 AUTO W/B BAL switch
1
Set the OUTPUT/DCC switch to CAM.
2
Flick the AUTO W/B BAL switch to
BLK and release the switch.
The switch returns to the center position, and
the adjustment is executed.
During adjustment, the following message is
displayed on the viewfinder screen.
ABB:EXECUTING
BLACK SET
The messages change in the following
sequence :
BLACK SET
r
BLACK BALANCE
The black balance adjustment ends in a few
seconds with the message "ABB:OK" and
the adjustment value is automatically stored
in memory.
Notes
• During the black balance adjustment, the iris is
automatically closed.
• During the black balance adjustment, the gain
selection circuit is automatically activated so you may
see flickering on the viewfinder screen, but this is not
a fault.
If automatic black balance adjustment
cannot be made
If the black balance adjustment cannot be
completed normally, an error message will appear
for about 3 seconds on the viewfinder screen.
1