JVC GY-HM790U, Instructions Manual

Page: 46 / 144

42
Shooting
Adjust the white balance according to the color temperature
of the lighting. You can select the adjustment mode
according to the shooting conditions.
As the color of the light (color temperature) varies according to
the light source, it is necessary to readjust the white balance
when the main light source illuminating the object changes.
Manual White Balance Mode (Manual
Switching)
You can select the white balance with the [WHT.BAL.]
selection switch.
Use the [WHT.BAL.] selection switch to select
A
PRESET
B
(preset mode),
A
A
B
(memory A mode), or
A
B
B
(memory B
mode).
Memo :
●
The [FAW] (Fulltime Auto White balance) function can be
assigned to the [A], [B], or [PRESET] button using
[Switch Set] in the [Camera Function] menu. (
A Page 79)
●
In [FAW] mode, color temperature of the images is
sampled and white balance is automatically adjusted to
the appropriate level.
●
When [White Balance] in the [Camera Function] B
[FULL AUTO] menu is set to
A
FAW
B
and the [FULL AUTO]
switch on the camera recorder is set to
A
ON
B
, the mode is
fixed at
A
FAW
B
.
䡵
Preset Mode (PRESET)
Two different color temperature settings are registered on
this camera recorder. You can switch between them using
the [AWB] button.
(Default setting:
A
3 200K
B
1
A
5600K
B
)
You can change both the color temperature settings in the
Preset mode in the menu.
[Main Menu]
B
[Camera Process]
B
[White Balance] menu
B
Select either [Preset Temp.] or [Alternative Temp.].
(
A
Page 85)
1
Set the [W. BAL] switch to
A
PRESET
B
.
2
Press the [AWB] button.
Press the [AWB] button to switch to a different color
temperature. (
A
Preset Temp.
B
1
A
Alternative Temp.
B
)
䡵
Memory A Mode (A), Memory B Mode (B)
Set to the white balance saved in Memory A or Memory B.
When the [WHT.BAL.] selection switch is set to [A] or [B],
press the [AWB] button to execute white balance. The white
balance will be automatically adjusted and the adjusted
value will be saved in Memory A or Memory B.
1
Prepare the camera recorder.
A
Set the [POWER] switch to
A
ON
B
.
B
Set the iris mode switch of the lens to
A
A
B
(automatic).
C
Set the [FULL AUTO] switch to
A
OFF
B
.
2
Set the [ND FILTER] switch according to the lighting
( A Page 45).
3
Set the [WHT.BAL.] switch to
A
A
B
or
A
B
B
.
4
Locate a place with similar lighting conditions as the
object to be shot, place a white object near the center of
the screen and zoom in to fill the screen with white.
5
Press the [AWB] (Auto White Balance) button.
●
The white detection frame appears when Auto White
Balance is activated. Fill the frame with white completely.
● A
AUTO WHITE A, B OPERATION
B
appears on the
viewfinder when Auto White Balance is activated.
●
When the correct white balance is achieved,
A
AUTO WHITE A, B OK
B
appears for about 3 seconds
together with the approximate color temperature.
Note :
●
Do not use highly reflective objects, such as metals. Doing
so may result in improper white balance adjustment.
●
The Auto White function cannot provide optimum white
balance with an object outside the adjustment range, for
example when it contains only a single color or not enough
white color.
Adjusting the White
Balance
[WHT.BAL.] Selection Switch
[FULL AUTO]
Switch
[POWER]
Switch
[AWB] Button
AUTO WHITE A
OK < 3 200K>
AUTO WHITE A
OPERATION
[AWB] Activating
Result Display
White Detection Frame