![background image](http://html.mh-extra.com/html/panasonic/ak-hc1800/ak-hc1800_operating-instructions-manual_277277039.webp)
- 9 -
MAINTENANCE menu
[8] GAIN, AUTO IRIS
LOW GAIN [–06dB to 30dB]
MID GAIN [–06dB to 30dB]
HIGH GAIN [–06dB to 30dB]
For setting the amount by which the gain is to
be increased when LOW, MID or HIGH has
been selected by GAIN SELECT.
A.IRIS LEVEL [000 to 100]
For adjusting the target level (brightness) of
the auto iris.
A.IRIS PEAK/AVE [000 to 100]
For setting the ratio between the auto iris
light-metering peak value and average value.
A.IRIS WINDOW [NORM1, NORM2, CENTR]
For setting the auto iris light-metering area.
NORM1: The light is metered on the
entire screen (except around the
edges).
NORM2: The light is metered on the entire
screen (except at the top).
CENTR: The light is metered only in the
area at the screen center.
IRIS MODE [LENS, CAM]
For switching between the iris gain control
on the lens (LENS) and the menu (CAM) to
adjust the focusing speed of the auto iris.
Normally, LENS is selected, and the speed
is adjusted using the iris gain control on the
lens.
IRIS GAIN [01 to 10]
For adjusting the iris gain when CAM has
been selected as the IRIS MODE setting.
Setting of menu items