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3.
Optionally, make alarm input and output
connections. Alarm input is active when shorted
to ground (G). Alarm out is open collector
controlled by alarm in. Absolute maximum alarm
out values are 12 V DC and 200 mA.
4.
Optionally, connect the D/N input of the camera
to an external day/night control and set the OSD
Day/Night menu to EXT1 or EXT2. When the D/N
terminal is connected to the ground (G) terminal,
the camera is forced into night mode. The
camera remains in night mode until the D/N
terminal is disconnected from the G terminal.
5.
Optionally, connect a DVR or keyboard using the
RS-485 ports (D+, D–). Connect T+,T– of the
DVR or keyboard to D+, D– of the camera. The
default baud rate is 4800, address is 001, and
protocol is Pelco-D.
Note
The camera address cannot be changed.
Only one camera address is supported.
Mounting the Camera
The camera can be installed to a tripod, housing, wall
mount, or ceiling mount using the 1/4–20 UNC
mounting holes on the top and bottom of the camera.
800-15952 - A - 09/2013
Adjusting the Back Focus
After installing the lens and connecting the wiring, you
can adjust the lens focus and zoom. If the correct focus
cannot be obtained, you can adjust the back focus
manually using the back focus screw on the side of the
camera (see illustration on page 7).
To adjust the back focus:
1.
Fully open the iris, set the zoom ring (if
applicable) to full WIDE, set the focus ring to
NEAR.
2.
Loosen the back focus screw, adjust the back
focus ring to focus the picture, and then re-
tighten the back focus screw.
11
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