BenQ MX880UST user manual Always place the projector on a level

Safety Instructions (Continued)

13.Do not place this projector in any of the 14. Do not block the ventilation holes.

following environments.	- Do not place this projector on a blanket,
- Space that is poorly ventilated or	bedding or any other soft surface.
	- Do not cover this projector with a cloth
confined. Allow at least 50 cm clearance
from walls and free flow of air around	or any other item.
the projector.	- Do not place inflammables near the
- Locations where temperatures may	projector.
become excessively high, such as the
inside of a car with all windows rolled
up.

- Locations where excessive humidity, dust, or cigarette smoke may contaminate optical components, shorten the projector's life span and darken the image.

	If the ventilation holes are seriously
	obstructed, overheating inside the
	projector may result in a fire.
15.	Always place the projector on a level,
	horizontal surface during operation.
	- Do not use if tilted at an angle of more
- Locations near fire alarms	than 10 degrees left to right, nor at angle
- Locations with an ambient temperature	of more than 15 degrees front to back.
above 40°C / 104°F	Using the projector when it is not fully
- Locations where the altitudes are higher	horizontal may cause a malfunction of,
	or damage to, the lamp.
than 3000 m (10000 feet).

3000 m
(10000 feet)
0 m	16. Do not stand the projector on end
(0 feet)
	vertically. Doing so may cause the
	projector to fall over, causing injury or
	resulting in damage to the projector.

Important safety instructions 5