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C3435M (8/07)
LD4H Series
Spectra
®
IV SE Horizon Lower Domes
Important Safety Instructions
1. Read these instructions.
2. Keep these instructions.
3. Heed all warnings.
4. Follow all instructions.
5. Installation should be done only by qualified personnel and conform to all local codes.
6. Only use replacement parts recommended by Pelco.
Description
The LD4H Series of lower domes are designed for use with Spectra
®
IV SE Horizon dome systems. The lower domes feature a 6-inch (15.24 cm) acrylic dome
bubble, and may be ordered in either clear or smoked finishes.
MODELS
LD4H-0 Smoked dome bubble
LD4H-1 Clear dome bubble
Installation
NOTE:
The LD4H Series lower domes have been designed to fit with the Spectra IV SE Horizon Series dome drives only. These lower domes cannot be used
with other camera systems.
To install the lower dome:
1. Hanging down from the back box is a flexible strap (the trim ring leash). There is a large keyhole-shaped opening in the end of the trim ring leash. Slide
the large part of the keyhole opening over the raised retainer screw located on the inside edge of the lower dome. Tuck the end of the trim ring leash
behind the raised plastic stop. Before releasing the lower dome, make sure the leash will hold it securely. Refer to Figure 1.
2. After the dome drive is installed, push the lower dome inside the back box. Tighten the two captive screws to secure the lower dome. Refer to
Figure 2.
NOTE:
Ensure that the lower dome is positioned to minimize the effect of the dome bubble seam on any critical viewing areas. Refer to the Important Note
shipped with the Spectra IV SE Horizon dome drive.
Figure 1.
Attaching the Trim Ring Leash (Pendant Model Shown)
Figure 2.
Installing the Lower Dome (Pendant Model Shown)