REV.
A
31
HCMU001002
06/24/04
LENS INSTALLATION AND ADJUSTMENT
PWR
SET
LENS
PWR
SET
LENS
HCC474M
DC
VID
EO
VIDEO
12VDC/24VAC
CLASS2
GN
D
~
~
When using an auto-iris lens, install the accessory
lens plug on to the lens cable as follows
:
Video type lens
:
Set lens switch to VIDEO.
Connect the lens cable of a video type lens.
If the plug on the cable is of a different type, replace
it with the provided 4-pin iris plug.
1
2
4
3
Pin Assignment : Video type (4-pin)
Pin No. Signal
1
+12V DC (50mA max.)
2
N.C (Not connected)
3
Video (0.7Vp-p, high
impedance, no sync)
4
GND
+12V
N.C
Video input
GND
1
3
2
4