Adjusting The White Balance And Black Balance; Adjusting The White Balance - Panasonic AG-HPX370 Operating Instructions Manual

Adjusting the White Balance and Black Balance

To record high-quality video with the AG-HPX370P/AG-
HPX371E, 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).
 NOTE
If white balance and black balance adjustments are made
while the video image is distorted due to GENLOCK, the
adjustments may not be correct. Wait for the video image
to return to normal before performing white balance and
black balance adjustments again.

Adjusting the White Balance

Whenever light conditions change, the white balance must
be readjusted.
To adjust the white balance, follow the steps below.
a b
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
 SettheGAIN,OUTPUTandWHITEBAL
switches.
c d e
2
 AdjusttheNDFILTERcontrolaccordingtothe
lightconditions.
For examples of ND FILTER adjustments, see
[Shooting and Recording/Playback Functions
Section] (page 21).
3
 Placeawhitepatternatapointwherethelight
conditionsmatchthoseforthelightsourceof
thesubject.Thenzoom-inonthewhitepattern
sothatwhitecolourappearsinthescreen.
• 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/ormoreofthescreeninwidth
4
 Adjustthelensiris.
• Use the Y GET function (for details, refer to
page 61) and adjust the iris to a approximately
70 % of incoming light.
5
 TurntheAUTOW/BBALswitchtowardAWB
andreleaseit.
• The switch returns to the central position with the
white balance automatically adjusted.
6
 Duringanadjustment,theviewfinderdisplays
thefollowingmessage:
AWB Ach ACTIVE
1/ormoreofthe
screeninheight
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