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Pelco Manual C1448M-C (8/02) 7
DOME INSTALLATION
1. Snap the clip, on the end of the trim ring leash, into the hole on the lip of the back box.
2. Install the dome by pushing the two ball studs on the trim ring into the retaining clips
on the back box.
3. If you have a dome with black or white opaque finish, turn the dome so that the
viewing slot is in front of the lens.
MAINTENANCE
Clean the acrylic dome as needed. Be careful not to scratch the surfaces of the dome.
Exterior Surface - Clean the dome’s exterior surface with a nonabrasive cleaning cloth
and agent that is safe for acrylic plastic. Either liquid or spray cleaner/wax suitable for fine
furniture is acceptable.
Interior Surface (Except Chrome or Gold) - Clean the same as the exterior surface.
Interior Surface (Chrome or Gold) - The inside surface of a chrome or gold dome is
easily scratched. Use the following precautions to maintain the dome’s surface.
a. Always handle the dome from the outside of its circular flange.
b. Never touch the coated inside surface. The acid in your fingerprints will eventually
etch the coating if the fingerprints are not carefully removed according to the recom-
mended cleaning procedure in item e.
c. If dust or other contaminants accumulate on the dome’s interior, remove the debris
with compressed air. Compressed air cans are available from photographic equipment
or electronic supply dealers.
d. If heavy residue accumulates and cannot be removed with air pressure, rinse with
water and immediately dry with air pressure so that water spots will not remain. Avoid
wiping the coated surface with direct hand pressure - it will easily abrade unless
extreme care is taken. Once scratched, the dome cannot be repaired.
e. If internal wiping is necessary, avoid hand rubbing. Instead, make a wick as follows:
Use a very soft paper towel. Roll a section into a tightly wound tube. Tear the tube in
half, and wet the fuzzy end of the wick with a solution of isopropyl alcohol diluted with
water. Hold the dome with its opening facing downward and wipe the interior of the
dome with the wet end of the wick. Use a circular motion, starting from the outside and
spiraling into the center. Use a new wick for each two passes over the dome.