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1. Camera Mounting Screw Hole
This threaded hole (1/4” - 20) is used to mount the
camera onto a mounting bracket or tripod.
2. Flange-back Adjusting Ring
This is used to adjust the back focal length or pic-
ture focus by rotating this ring to clockwise for C-
mount lens or counterclockwise for special C-
mount (CS mount) lens.
CAUTIONS :
1. Always set this ring to fully clockwise before
mounting the lens to prevent damage of inner
glass or CCD image sensor.
2. Do not turn this ring too much to counterclock-
wise when the C-mount lens is mounted as
this could damage the inner glass or CCD
image sensor.
3. Lens (Option)
4. 12 V In Terminal (DC 12V IN)
This terminal accepts 12 V DC power source
(10.8V - 16V)
-5-
5. AGC ON/OFF Switch (AGC ON/OFF)
This switch is used to select the gain of the video
amplifier as follows :
ON:
When the lens iris is fully opened at low light
shooting, a clear picture is obtained by auto-
matic increase of the gain.
OFF:
A natural and low-noise picture is obtained
under a low light condition.
6. Automatic Light Control/Electronic Light
Control Selection Switch (ELC / ALC)
This switch is used to select the lens as follows.
ALC:
Choose this position when using an auto iris
lens.
ELC:
Choose this position when using a fixed or
manual iris lens.
7. Detail Level Selection Switch (SOFT/SHARP)
The detail/aperture level can be selected by this
switch. Set this switch to the desired position while
observing the picture on the monitor.
Note:
The aperture is cut off at SOFT position.