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8Lens iris output connector (4 pin)
This 4-pin connector is used to send the DC control signal
and power supply to an auto-iris type lens.
9Camera setup section (under the cover)
This unit factory settings are as indicated below. These
settings are for when using a 1/3 inch CS mount DC
(without EE internal amplifier) type lens. However, if due to
installation conditions or environment the settings may need
to be modified for best results (see "SETTINGS"). To access
the controls, remove the cover fixing screw, then remove the
cover.
Control name Position
a
Electronic iris (EI)/
Backlight compensation (BLC)
switch
OFF
b
Auto-iris lens switch
(A.I. LENS)
DC
c
Lens iris level volume (LEVEL)
about centre
Note:
• The EI/BLC switch is used for an auto-iris lens, therefore
the two settings cannot be used simultaneously.
• When using a 1/2 or 2/3 inch C mount VIDEO (with EE
internal amplifier) auto-iris type lens, set the A.I. LENS
switch to the VIDEO position.
9
4
1
2
3
8
ON
OFF
ON
BLC
L
E
V
E
L
DC
VIDEO
A. I.
LENS
LH
VR401
EI
c
ab
L73K4/US GB 1998, 3, 11
English 5