8-25
DVW-790WS/709WS/707
DVW-790WSP/709WSP/707P P2V1
8-19. Automatic Iris Adjustment
Preparation
.On the setup menu, set as follows.
PAGE : S24*LEVEL 7
ITEM : TEST OUT → ENC
.OUTPUT/DCC switch (inside panel) → CAM/ON
.Shoot a grayscale chart in the full underscanned monitor
frame.
.Lens IRIS → AUTO
Adjustment Procefure
Equipment : Waveform monitor
Test point : TEST OUT connector
1. On the setup menu, adjust as follows.
PAGE : S29*LEVEL 12
ITEM : IRIS MODE
Spec. : Set depending on the application.
(Automatic iris operation mode setting can
be done from the average level to peak-to-
peak level of the video signal.)
IRIS MODE = MIN → peak-to-peak level
IRIS MODE = MAX → average level
2. On the setup menu, adjust as follows.
PAGE : S29*LEVEL 12
ITEM : IRIS SET
Spec. : A = 100 ±2 IRE (NTSC)
A = 700 ±14 mV (PAL)
3. On the setup menu, set as follows.
PAGE : S29*LEVEL 12
ITEM : IRIS WEIGHT → 0 (MIN)
4. Shoot an area where the auto iris is not wanted to work
in the white window chart.
5. On the setup menu, adjust as follows.
PAGE : S29*LEVEL 12
ITEM : IRIS WEIGHT
Spec. : Increment the IRIS WEIGHT value until
the lens iris is open.
6. On the setup menu, adjust as follows.
PAGE : S29*LEVEL 12
ITEM : IRIS SPEED (Factory setting : 2)
Spec. : Adjust for the desired operation speed of
auto iris.
7. On the setup menu, set as follows.
PAGE : S29*LEVEL 12
ITEM : CLIP HIGH LIGHT → ON or OFF
Spec. : Set to the desired position.
8-19. Automatic Iris Adjustment
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