JVC GY-HC900STU 2/3" HD Connected Cam Studio Camcorder (Body Only) - Manual (Page 60)

Adjusting the Iris
Adjust the aperture of the lens iris according to the
brightness of the subject.
Manual Iris (Manual Adjustment) Mode
The aperture value (F-number) of the lens can be
set manually.
1 Set Full Auto mode to off using the user
button assigned with “Full Auto”.
2 Set to Manual Iris mode using the [IRIS
A/M] switch on the lens.
The lens aperture value (F-number) is
displayed.
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100min
50min
282min
1/ 60 F2. 8
AE ± 0 ND 1 /64
12 :34 : 56
ISO 102400
00: 00: 00.00
1080 /30p
SDI IN
ITU709
COMPRESS
5 . 6f t
B 5600 K
3 Turn the iris ring on the lens to adjust the
iris manually.
The open F-number of the aperture varies
according to the zoom position.
F-number Description
Decrease The subject appears brighter.
The focused range becomes
sharper, while the background is
blurred to produce a soft image.
Increase The subject appears darker.
Background of image becomes
focused as well.
Memo :
0 Even while in the Manual Iris mode, pressing
and holding the [IRIS] button on the lens
switches the camera recorder to the Push Auto
Iris mode.
Push Auto Iris
When the camera recorder is in the Manual Iris
mode, press and hold the [IRIS] button on the lens
to change to the Auto Iris mode temporarily. The
iris will be automatically adjusted according to the
brightness of the subject.
Auto Iris (Automatic Adjustment) Mode
1 Set Full Auto mode to off using the user
button assigned with “Full Auto”.
2 Set to Auto Iris mode using the [IRIS A/M]
switch on the lens.
The iris is automatically adjusted according to
the brightness of the object.
A v icon appears on the left side of the lens
aperture value (F-number) in the Auto Iris mode.
Memo :
0 Use the user button assigned with “Full Auto” to
enter the Full Auto mode also activates the Auto
Iris mode. In this case, the Gain, Shutter and
White Balance also enter into Auto mode
forcibly.
The iris operation during Full Auto mode can be
configured in [Camera Function]
B
[Full Auto]
B
[Iris Control].
0 The iris open/close limit can be set in [Camera
Function]
B
[Auto Iris Limit (OPEN)]/[Auto Iris
Limit (CLOSE)] during Auto Iris.
(
A
P110 [ Auto Iris Limit (OPEN) ] )
(
A
P110 [ Auto Iris Limit (CLOSE) ] )
0 You can press the user button assigned with “AE
Level” and use the cross-shaped button ( JK ) to
configured the target level (brighter/darker) of
the auto iris in [Camera Function]
B
[AE Level].
0 The convergence speed of the auto iris can be
set in the menu.
(
A
P109 [ AE Speed ] )
0 While in the Auto Iris mode, and [AE Lock] is set
to “AE” or “AE/FAW”, a icon appears on the
left side of the lens aperture value (F-number)
during lock operation.
60
Adjusting the Iris
Sh
ooting