BenQ SP831 - Manual (Page 7)

Important safety instructions 7
Safety Instructions (Continued)
13. Do not place this projector in any of
the following environments.
- Space that is poorly ventilated or
confined. Allow at least 50 cm clearance
from walls and free flow of air around the
projector.
- Locations where temperatures may
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, shortening the
projector's life span and darkening the
picture.
- Locations near fire alarms
- Locations with an ambient temperature
above 35°C / 95°F
- Locations where the altitudes are higher
than 1500 m / 4920 feet.
14. Do not block the ventilation holes.
- Do not place this projector on a blanket,
bedding or any other soft surface.
- Do not cover this projector with a cloth
or any other item.
- Do not place inflammables near the
projector.
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
than 40 degrees left to right, nor at angle
of more than 35 degrees front to back.
Using the projector when it is not fully
horizontal may cause a malfunction of,
or damage to, the lamp.
1500
meter
/ 4920
feet