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80 Chapter 5 Adjustments and Settings
Chapter 5 Adjustments and Settings
4 Arrange a white subject (paper, cloth, etc.) under
the same lighting conditions as for shooting, and
zoom in on it so that as far as possible the whole
screen is white.
The minimum white area requirements for the
adjustment are shown in the following figure.
5 Push the WHT/BLK switch in the WHT direction
and release.
The white balance adjustment is carried out.
During the adjustment the legend “AUTO WHITE
-OP-” appears in the viewfinder.
After a few seconds the adjustment is complete,
and the legend in the viewfinder changes to
“AUTO WHITE -OK-” plus a color temperature,
as shown in the following figure.
AUTO WHITE
-OK-
3200K
The adjustment value is automatically saved in
memory A or B as selected above.
To save the white balance adjustment for different
lighting conditions, repeat steps 2 to 4 above. You can
save two different values for the white balance, in
memories A and B.
Note
When using a camera control unit or remote control
unit, if the W/B BALANCE switch of the control unit
is set to PRESET or MANUAL, it is not possible to
carry out white balance adjustment on the camera.
To recall a white balance value from memory
Before beginning shooting, set the W. BAL switch to
the A or B position. This automatically sets the
camera to the white balance adjustment saved in the
corresponding memory.
If white balance adjustment cannot be
completed automatically
The warning message “AUTO WHITE -NG-” appears
in the viewfinder.
Make the necessary corrections, then carry out the
process again.
Warning messages for white balance adjustment
White Balance Adjustment
Center of the screen
Area of white within this
rectangle should be
equivalent to at least 10% of
the image area.
approximately
70% of the
height of the
image
approximately
70% of the
width of the
image
AUTO WHITE
-NG-
:C.TEMP.LOW
CHG.FILTER
TRY AGAIN
The color temperature is too low. Try
the following, in this order of
precedence.
(1) If the FILTER control is in position 2,
3 or 4, change it to position 1, then
retry the adjustment.
(2) Check that the subject is completely
white, then retry the adjustment.
(3) The color temperature may be
outside the range of the camera. Fit
an appropriate color temperature
conversion filter, then retry the
adjustment.
AUTO WHITE
-NG-
:C.TEMP.HI
CHG.FILTER
TRY AGAIN
The color temperature is too high. Try
the following, in this order of
precedence.
(1) If the FILTER control is in position 1,
change it to position 2, 3 or 4, then
retry the adjustment.
(2) Check that the subject is completely
white, then retry the adjustment.
(3) The color temperature may be
outside the range of the camera. Fit
an appropriate color temperature
conversion filter, then retry the
adjustment.
Message
Meaning and corrections to be made
AUTO WHITE
-NG-
:LOW LIGHT
TRY AGAIN
Light level is too low.
• Increase the illumination level, open
the iris, or use the GAIN switch to
increase the video signal level.
• Check the setting of the FILTER
control.
• After these checks, retry the
adjustment.
AUTO WHITE
-NG-
: ??
TRY AGAIN
The subject is not white, or the lighting
level is too high.
• Use a white subject.
• Lower the illumination level, stop down
the iris, or use the GAIN switch to
decrease the video signal level.
• Check the setting of the FILTER
control.
• After these checks, retry the
adjustment.