Ikegami OCP-300, Operation Manual

Page: 109 / 274

7. Relative Value Iris Control 7-4
After switching, you can start the operation from the IRIS control knob position at that
time. When the FULL switch is on, the IRIS variable range setting knob becomes
invalid. When the FULL switch is off, the IRIS variable range setting knob becomes
valid.
With this function, switching from the auto iris to the manual iris without jumping of
the iris value becomes possible. When looked from a specific OCP, there are cases that
the knob becomes effective only on one side. In that case, the lens iris position and the
OCP IRIS control value become different, and the occasion such as unavailability of the
full range operation while the FULL switch lit occurs. To solve this problem, use the
knob free function or press the FULL switch or the RELATIVE switch.
Caution
When the auto iris is switched to the manual iris, the amp gain in the lens
changes. With this condition, there are cases that the lens iris minutely
changes. Try and check the performance of your camera and fully
understand before start operating.
7.3 Initial Mode
In the power supply is OFF, and during OFF of the enable, the FULL switch status is
kept the same. Because this mode uses the relative data control, the iris value does not
jump regardless of the IRIS control knob position.
There are cases that the lens iris position and the OCP IRIS control value become
different from each other and the knob becomes effective only on one side. To solve this
problem, use the knob free function or press the FULL switch or the RELATIVE switch.