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12 Pelco Manual C458M-B (1/98)
3. Models with 355° Rotation Only - Adjust the pan limit stops:
a. Pan the unit to the desired left position.
b. Turn off the power.
c. Position the limit stop and tighten it in place. Refer to Figure 4 for the
location of the limit steps. Disconnect the drive from the back box, if nec-
essary, to make the adjustment.
To remove the dome drive:
1. Remove the hairpin clips from the latches.
2. Open one of the latches.
3. Grasp the unit with one hand to prepare for the 10- to 13-pound
(4.5 to 5.9 kg) load.
4. Open the other latch and lower the dome drive.
d. Replace the dome drive if it was removed and turn on the power. Check
the position of the limit stop to make sure it is correct. If the position of the
stop is not correct, repeat steps a-d.
e. Repeat steps a-d for the right limit stop.
4. Install the dome liner: Push the studs on the liner into the dome bracket. Make
sure the window slot is aligned with the lens.
Ensure there is sufficient clearance between the camera/lens and dome liner.
Tilt the camera/lens combination up and down to check for clearance between
the lens and the dome liner. If proper clearance is not achieved, the dome liner will
be dislodged from the dome drive. Also pay attention to camera and wiring clear-
ance inside the back box. Reposition the camera/lens and wiring as necessary.
5. Suspended/Hard Ceiling Models - Attach the trim ring and dome to the back
box.
Pendant Models - Align the three bezel pins with the large hole in the back
box brackets, push the bezel up and rotate clockwise to latch.
Attach the back box gasket to the rim of the back box to provide an air-tight
seal between the back box and the bezel.
6. The installation is complete. For operating instructions, refer to the receiver/
drive manual.
NOTE:
Vari-speed unit clearance
can easily be checked without turn-
ing power on. Fixed speed units
must have power on and you will
have to be able to activate the tilt
functions. Do not rotate fixed speed
dome drives by hand as damage
will occur to the motors.
NOTE:
The tilt limit stops are not
adjustable.
LIMIT STOP
LIMIT STOP
CAUTION:
Do not re-
move or reposition the
fixed limit stop. Damage
will occur.
Figure 4. Pan Limit Stops (Only Two Shown)
WARNING:
Failure to
install the gasket properly
will void the warranty.