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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 ser-
vice 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 fol-
lows:
Pin 1: Power source; +9 V DC, 50 mA max.
Pin 2: Not used
Pin 3: Video signal; 1.3 V[p-p]/40 kΩ
Pin 4: Shield, ground
(2) Solder the lens cable to the pins of the supplied
connector.
Pin 3
Pin 1
Rib
Pin 4
Pin 2
-14-
Mounting the Lens
Caution:
Before you mount the lens, loosen the screw on
the side of the camera, and rotate the flange-back
adjusting ring clockwise until it stops. If the ring is
not at the end, the inner glass or CCD image sen-
sor 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 con-
nector on the side of the camera.
w
Flange-back
Adjusting Ring
Screw
q
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