Operating Instructions
49
Chapter 4 Adjustments and Settings for Recording
Adjusting the White Balance and Black Balance
To record high-quality video with the AG-HPX300P, the
black and white balances must be adjusted according to
conditions.
For higher quality, it is recommended that the adjustments
should be made in this order AWB (white balance
adjustment) ABB (black balance adjustment) AWB
(white balance adjustment).
Adjusting the White Balance
Whenever light conditions change, the white balance must
be readjusted.
To adjust the white balance, follow the steps below.
c d eba
a ND FILTER control
This control adjusts the amount of light entering the
MOS sensor.
b AUTO W/B BAL switch
Use for automatic control of white balance.
c GAIN selector switch
Normally set to 0 dB. If this is too dark, adjust gain as
necessary.
d OUTPUT selector switch
Set to CAM.
e WHITE BAL switch
Set to A or B.
1
Set the GAIN, OUTPUT and WHITE BAL
switches.
2
Adjust the ND FILTER control according to the
light conditions.
For examples of ND FILTER adjustments, see
[Shooting and Recording/Playback Functions
Section] (page 18).
3
Place a white pattern at a point where the light
conditions match those for the light source of
the subject. Then zoom-in on the white pattern
so that white colour appears in the screen.
• A white object (cloth or wall) may be used instead
of a white pattern. The illustration below shows the
required size for the white space.
NOTE
• Do not point the camera at a high-brightness area.
• The white object must appear at the center of the
screen.
1/3 or more of the screen in width
1/3 or more of the
screen in height
4
Adjust the lens iris.
• Use the YGET function (for details, refer to
page 53) and adjust the iris to a approximately
70% of incoming light.
5
Turn the AUTO W/B BAL switch toward AWB
and release it.
• The switch returns to the central position with the
white balance automatically adjusted.
6
During an adjustment, the viewfinder displays
the following message:
AWB Ach ACTIVE
7
The adjustment will take effect in a few
seconds, and the following message will
appear:
• The adjusted value is automatically stored in the
selected memory (A or B).
AWB A OK 3.2K
• “C TEMP+7” to “C TEMP-7” will appear when
COLOR TEMP of the scene file is set to the value
other than 0.