Black Balance Adjustment - Sony 300PF Operating Instructions Manual

Black Balance Adjustment

Correct adjustment of the black a balance is important
for optimum operation of a camcorder. It is necessary
when using the camcorder for the first time or after a
significant period out of use, and also when there has
been a sudden change in temperature.
The adjustment value is saved in memory, and
readjustment is not normally necessary after powering
the camcorder off or simply when lighting conditions
change.
1
Turn on the power and check that the OUTPUT/
DL/DCC+ switch is in one of the CAM positions.
2
Push the WHT/BLK switch in the BLK direction
and release.
The lens iris closes, and black balance adjustment
is carried out.
During the adjustment the legend "AUTO BLACK
-OP-" appears in the viewfinder.
AUTO
-OP-
After a few seconds the adjustment is complete,
and the legend in the viewfinder changes to
"AUTO BLACK -OK-".
2 1
BLACK
If black balance adjustment cannot be
completed automatically
The warning message "AUTO BLACK -NG-" appears
in the viewfinder.
Make the necessary corrections, then carry out the
process again.
Warning messages for black balance adjustment
Message
Meaning and corrections to be made
AUTO BLACK The lens iris did not close fully.
Check whether the lens cable is
-NG-
connected properly, and whether there is
: IRIS
a fault in the lens. If a second attempt to
NOT CLOSED
carry out the adjustment fails, consult
TRY AGAIN
your Sony dealer.
AUTO BLACK The iris opened during adjustment or
there is a hardware error.
-NG-
Close the iris and try again. If this fails,
: ??
consult your Sony dealer.
TRY AGAIN
BARS The camcorder is outputting a color bar
signal.
Move the OUTPUT/DL/DCC+ switch to
one of the CAM positions.
Chapter 5 Adjustments and Settings
103