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Mounting the Lens
Caution:
Before you mount the lens, loosen the screw on the side of the camera, and rotate this
ring clockwise until it stops. If the ring is not at the end, the inner glass or CCD image
sensor may be damaged.
1. Mount the lens by turning it clockwise
on the lens mount of the camera.
2. Connect the lens cable to the auto iris
lens connector on the side of the cam-
era.
Caution for Mounting the Lens
The lens mount should be a C-mount or CS-mount (1”-32UN) and the lens weight should be
less than 450
g
(0.99 lbs). If the lens is heavier, both the lens and camera should be
secured by using the supporter.
The protrusion at the rear of the lens should be as shown below:
C-mount:
Less than 13 mm (1/2”)
CS-mount: Less than 8 mm (5/16”)
The following adjustment should be made by qualified service personnel or system
installers.
1. Loosen the screw on the side of the
camera.
2. Turn the flange-back adjusting ring to
the desired position.
Caution:
When the C-mount lens is
mounted, do not rotate the ring
counterclockwise by force after it
stops. If the ring is rotated by
force, the inner lens or CCD image
sensor may be damaged.
3. Tighten the screw on the side of the
camera.
Caution:
Tightening the screw by force will cause damage to the screw or deviation of
focus.
FOCUS OR FLANGE-BACK ADJUSTMENT
• Mounting from the top
Remove the mount adapter from the bottom of the camera by removing the two fixing
screws. Attach the mount adapter to the top as shown in the diagram, then mount the
camera on the mounting bracket.
Make sure that the two original fixing
screws are used when mounting the
mount adapter as longer length screws
may damage inner components.
INSTALLATION OF CAMERA
Flange-back
Adjusting Ring
Focusing of
C-mount lens
Focusing of
CS-mount lens
Screw
Flange-back
Adjusting Ring
Fixing Screws
Mount Adapter
Installation of Auto Iris Lens Connector
Install the lens connector (YFE4191J100) when using a video drive ALC lens.
The installation should be made by qualified service personnel or system installers.
(1) Cut the iris control cable at the edge of the lens connector to remove the existing lens
connector and then remove the outer cable cover as shown in the diagram below.
The pin assignment of the lens connector is as follows:
Pin 1: Power source; +9 V DC, 50 mA max.
Pin 2: Not used
Pin 3: Video signal; 1.3 V[p-p]/40 k
Ω
Pin 4: Shield, ground
(2) Solder the lens cable to the pins of the
supplied connector.
Pin 3
Pin 4
Pin 2
Rib
Pin 1
Screw
q
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