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4. Auto Iris Level Fine Adjustment
[Auto Iris Adjust: ON, OFF]
ON: Fine adjustment of auto iris convergence level
can be made with the iris control when the iris
switch on the RCU (RCB) or on the hybrid control
panel is in the AUTO position.
OFF: The iris control is invalid when the iris switch on
the RCU (RCB) or on the hybrid control panel is
in the AUTO position.
Setting and Changing of theSetting Items (User Mode)

6 Iris, Shutter, Gain Set Display

1. Video Level Adjustment [Picture Level: –50 to +50]
Convergence level of AUTO IRIS/AGC/ELC can be
adjusted.
2. Detecting Ratio Adjustment
[Light PEAK/AVG: P50 to A50]
The ratio of AUTO IRIS/AGC/ELC detected peak to
average can be adjusted within a range.
3. Photometric Measurement Method Setting
[Light Area: All, Center, Top cut, BTM cut, R/L cut]
A photometric measurement method can be selected
for AUTO IRIS/AGC/ELC.
All: All the screen area is measured.
Center: The screen is measured mainly in the center
area, about one-third of both the top and bottom
and one-third of both the right and left portions of
the screen are excluded from measurement.
Top cut: About one-third of the top portion of the
screen is excluded from measurement.
BTM cut: About one-third of the bottom portion of the
screen is excluded from measurement.
R/L cut: About one-third of both the right and left
portions of the screen are excluded from mea-
surement.
RCU (RCB)
Iris Control
Iris Switch