Chapter 4 Adjustments and Settings for
Adjusting the white and black balance
To obtain
To obtain higher image quality, perform the adjustment in the order of AWB (white balance adjustment) → ABB (black balance adjustment) → AWB (white balance adjustment).
@@NOTE
tt When white or black balance is adjusted while video is disrupted by the generator lock, adjustment may not be performed correctly. Adjust white or black balance again after video has returned to normal.
Adjusting the white balance
The white balance must be adjusted again when the lighting conditions change. Follow the steps below to adjust the white balance automatically.
a
b |
|
|
|
|
|
|
|
| |
c d e |
a:<CC FILTER>/<ND FILTER> dial
Adjust the amount of light entering the MOS sensor.
b:<AUTO W/B BAL> switch
Use to execute the automatic white balance.
c:<GAIN> switch
Normally, set this to 0 dB. If it is too dark, set the gain to an appropriate value.
d:<OUTPUT> switch
Set this switch to <CAM>.
e:<WHITE BAL> switch
Set this switch to <A> or <B>.
rr When the <WHITE BAL> switch is set to <A>
1Set the <GAIN>, <OUTPUT>, and <WHITE BAL> switches.
2 Select the <CC FILTER>/<ND FILTER> dial setting according to the light conditions.
For details on setting example of the <CC FILTER>/<ND FILTER> dial, refer to “Shooting and recording/playback functions section” (page 20).
3Place the white pattern at a point where the light conditions match those for the light source for the subject, and zoom in on the white pattern so that the white color appears in the screen.
4Adjust the lens aperture.
5Set the <AUTO W/B BAL> switch towards the <AWB> side, and then release it. The switch returns to the central position with the white balance automatically adjusted.
rr White pattern
ffA white object (cloth or wall) near the subject may also be used for the white pattern. ffRequired size of white pattern is as follows.
1/4 or more of the screen width
1/4 or more of the screen height
ffDo not allow bright spotlights within the screen.
ffThe white pattern must appear at the center of the screen.