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Perform Iris/Gain adjustments using the iris ring.
Adjust it when the screen is too bright or too dark.
≥
Switch to Manual Mode. (
l
33
)
1
Press the IRIS A/M button to switch to Manual Iris Mode.
≥
disappears.
≥
The gain is displayed in dB.
2
Adjust the iris by rotating the iris ring.
Iris/Gain value:
CLOSE
!#
(F11 to F1.6)
!#
OPEN
!#
(0dB to 30dB)
≥
Value closer to CLOSE darken the image.
≥
Value closer to 30dB brighten the image.
≥
When the iris value is adjusted to brighter than OPEN, it changes to the gain value.
≥
To return to Auto Iris Mode, press the IRIS A/M button.
≥
If the gain value is increased, the noise on the screen increases.
≥
Depending on the zoom magnification, there are iris values that are not displayed.
Recording
Iris adjustment
IRIS A/M
MNL
F4.0
A
Gain value
B
Iris value
C
Auto iris icon
*
* It is displayed in Auto Iris Mode.
1
IRIS A/M button
2
Iris ring
AG-AC90-VQT4M99_mst.book 42 ページ ２０１２年９月２５日 火曜日 午後１２時６分
