White balance and black balance adjustment
Better pictures will be produced by performing the white balance
Adjust the lens iris.
and black balance adjustments in the sequence of AWB 3(white
balance adjustment) > ABB (black balance adjustment) > AWB.
Normally, there is no need to re-adjust the black balance even when
Push the AUTO W/B BAL switch to AWB
the power is turned on again.4
and release it.
<Notes>The switch returns to the center, and the white balance is
Even though the brightness under artificial lighting and automatically adjusted.especially
under fluorescent lights and mercury lamps may appear to be
constant, the strengths of the red, green and blue colors change in
synchronization with the power line frequency. Particularly A messain areasge corresponding to the AWB
5
where this frequency is 50 Hz, the units vertical sync exfrequencyecution status appears inside the
(approx. 60 Hz) and the lighting frequency (50 Hz) will be subject to
viewfinder.
mutual interference, causing the color phase to change as time
For details, refer to the viewfinder displays (page 16).
passes and flicker to be generated. This makes it impossible to
attain the white balance properly. It is recommended that the white
<Notes>
balance be attained using the settings shown in the table below.
eWhen the gain selection value has been changed, ensure that
Power line frequencyShutter speedwhite balance is attained. This will ensure better pictures.
eIf the black balance adjustment was not completed without an
50 Hz1/100
error, an error message appears inside the viewfinder. Try
60 HzOFFperforming the adjustment again.
If the error message persists even after another attempt at
adjustment, consult your dealer or a Panasonic Service Center
representative.
Automatic white balance adjustment<Reference>
If there is no time to adjust the white balance, set the WHITE BAL
Set the switches to the positions shoswitch wn into PRST. The white balance will be attained for the filter
1
according to the FILTER control (outer) setting position.
the figure.
The automatic tracking white balance operation is performed when
1 Set the WHITE BAL switch to A or B.ATW has been set ahead of time for the A, B and PRE positions of
2 Set the OUTPUT/AUTO KNEE switch to CAM.the WHITE BAL switch: this comes in handy at such a time.
3 Normally, set the GAIN selector switch to 0 dB.
If it is too dark at this setting, set the gain to a more
appropriate level.
Automatic black balance adjustment
4 Set the CC/ND filter selector knob to the position
corresponding to the lighting conditions.The black balance must be adjusted in the following cases.
eWhen the unit is to be used for the first time
eWhen the unit is to be used after it has not been used for a
prolonged period
eWhen the unit is to be used where the ambient temperature has
changed significantly
eWhen the gain selection value has been changed
eWhen the MASTER GAMMA setting has been changed
CC/ND filterWHITE BAL
Push the AUTO W/B BAL switch to ABB
selectorswitch1
and release it.
knobOUTPUT/AUTO KNEE
switchThe switch returns to the center, the iris is automatically set to
AUTO W/B BALGAIN selector switchthe shielded mode, and the adjustment is performed.
switch
A message corresponding to the ABB
Erect a white pattern at a location 2subject
2execution status appears inside the
to the same conditions as the light source
viewfinder.
illuminating the subject, zoom in, and fill
For details, refer to the viewfinder displays (page 16).
the screen with white.
Something white (a piece of white fabric or a white <Notes>wall) near
the subject can be used instead. The required esize If the of black thebalance adjustment was not completed without an
white object is shown in the figure below.error, an error message appears inside the viewfinder. Try
performing the adjustment again.
At least one-fourth of the screen width
If the error message persists even after another attempt at
adjustment, consult your dealer or a Panasonic Service Center
representative.
At least one-fourth of the screen height
eThe gain switching circuit is automatically switched while the black
balance is being adjusted. Although flicker or noise may appear
on the viewfinder screen, this is not indicative of malfunctioning.
<Note>
Do not allow any high-brightness spots inside the screen.
20 |
ACEC
