Ikegami OCP-300, Operation Manual

Page: 104 / 274

6-1 6. Absolute Value Iris Control
6. Absolute Value Iris Control
With the absolute value iris control, the iris is controlled by the absolute data as the control of
the conventional OCP. During the absolute value iris control, the RELATIVE switch lights off.
This control method is adopted for the initial setting of the Ikegami command. You can switch
between "absolute value iris control" and "relative value iris control" by using the panel
configuration.
The actual iris control uses the additional value from other control panel.
Switch
IRIS variable range setting knob
FULL RANGE SENSE IRIS control knob
Light off It sets the
center
position of
the iris
control. It sets the oscillation
from the center
position that is set
with the RANGE
knob. Iris adjustment is available within the range
set with the RANGE and SENSE knobs.
Light on Invalid Invalid Controlling the entire iris operation range is
possible.
When the FULL switch is on, controlling the entire iris operation range is possible by
using the IRIS control knob.
When the FULL switch is off, iris adjustment is possible within the range that is set
with the IRIS variable range setting knob. Set the center position of the iris operation
by using the RANGE knob. Set the oscillation from the center position, where is set with
the SENSE knob. Iris adjustment is available within the range set with the RANGE
and SENSE knobs by using the IRIS control knob.
㼂㻾㻌㼀㼅㻼㻱
㻶㻻㼅㻿㼀㻵㻯㻷㻌㼀㼅㻼㻱
IRIS variable range
IRIS variable range
Full Switch ON
Full Switch ON