Precautions with regard to safety
Do not set up the projector near
The projector may be subject to electromagnetic interference.
If installing the projector to the ceiling, ask a qualified technician to carry out all installation work.
You will need to purchase the separate installation kit (Model No.
See “Ceiling mount bracket safeguards” on page 56 for the safety cable installation.
If using this projector at high elevations 1 400 - 2 700 m (4 593 - 8 858 ft) sea level, set the HIGH ALTITUDE MODE to ON. See “HIGH ALTITUDE MODE” on page 42.
Failure to observe this may result in malfunctions or the life of the lamp or the other components may be shortened.
Important Information
Cautions on use
In order to get the best picture quality
Draw curtains or blinds over any windows and turn off any lights near the screen to prevent outside light or light from indoor lamps from shining onto the screen.
Do not touch the surfaces of the lens or the front glass with your bare hands.
If the surface of the lens becomes dirty from fingerprints or anything else, this will be magnified and projected onto the screen. Moreover, when not using the projector, close the front panel cover.
Liquid crystal panel
Do not project the same image for long periods of time, as this may remain as an afterimage on the liquid crystal panel. Display the white screen test pattern for more than an hour to remove it. See “TEST PATTERN” on page 43.
The liquid crystal panel of the projector is built with very high precision technology to provide fine picture details. Occasionally, a few stuck pixels may appear on the screen as fixed points of blue, green or red. It is recommended to switch off the projector once and try after 1 hour later again. Please note that this does not affect the performance of your LCD.
The projector has a high pressure mercury lamp and that is characterized as follows.
The brightness of the lamp depends on the duration of use.
The lamp may explode or shorten the lamp life by shocks or chipping damage.
The lamp may explode only occasionally after using the projector.
The lamp may explode if using the projector after the instructed lamp replacement timing.
When the lamp exploded, it emits internal
The lamp life is depends on individual lamp characteristics, usage condition and the installation environment. Especially the consecutive use of the projector for more than 10 hours, or the frequent switching on or off may greatly affect on the lamp life.
Optical components
If you use the projector consecutively 6 hours every day, the optical components may need to be replaced in less than 1 year.
Security
Take the safety measures for use of the projector that should cover the following envisioned incidents.
The leakage of your personal registered information. Dishonest operation by an untrusted third party. Locking out or prevent anyone else from using the projector by an untrusted third party.
Security instruction
The connecting network must be secured by firewall or others.
Change your password regularly.
Do not use password too simple to guess.
The Authorized Service Center will never ask you for the password.
Do not share your password with anyone else. Password the projector and restrict access to authorized users only.