NEC PA1705UL-W Installation Manual page 29

Notes on installation and maintenance
Do not install or store in such places as those described below.
• Locations that amplify vibrations and impacts
If installed in places where the vibrations from power sources and the like are conveyed, or in
vehicles or on vessels, etc. the projector could be affected by vibrations or shocks that may dam-
age internal parts and lead to malfunction.
• Close to high voltage power lines and power sources
It could disrupt the unit.
• Places where strong magnetic fields are generated
Doing so could lead to malfunction.
• Outdoors and places with humid or dust
Places exposed to oil smoke or steam
Places where corrosive gases are generated
Attached substances such as oil, chemicals and moisture may cause deformation or cracks of the
cabinet, corrosion of the metal parts, or malfunction.
To the dealer and the installer
1. To prevent the projector from falling, install it on the ceiling in a way with sufficient strength to
withstand the combined weight of the projector and the ceiling mount unit for an extended
period of time.
2. When installing the projector on the ceiling, be sure to do so correctly in accordance with the
installation manual for the Ceiling Mount Unit. Be sure to use the fixed metal fittings and to tighten
the screws securely.
3. To prevent the projector from falling, use fall prevention wires.
• Use commercially available metal fittings to join the robust part of a building or construction
and the security bar of the projector with the fall prevention wires.
• Use commercially available metal fittings and fall prevention wires that have sufficient strength
to withstand the combined weight of the projector and the ceiling mount unit.
• Slightly slack off the fall prevention wires so as not to put a load on the projector.
• Refer to the "Part Names of the Projector" for the location of the security bar. (→ page 4)
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Important Information