BenQ Portable Series User Manual page 8

contaminate optical components, shorten the projector's lifespan
and darken the screen.
• Locations near fire alarms.
• Locations with an ambient temperature above 40°C /104°F
• Locations where the altitudes are higher than 2000 m (6562 feet).
5. Do not block the vents holes while the projector is on (even in power-
saving mode).
• Do not cover the projector with any item.
• Do not place the projector on a blanket, bedding or any other soft
surface.
6. In areas where the mains power supply voltage may fluctuate by
±10 volts, it is recommended that you connect the projector through
a power stabilizer, surge protector or uninterruptible power supply
(UPS) as appropriate to your situation.
2000 m
(6562 feet)
0 m
(0 feet)
8