Important Safety Instructions; Safety Instructions - BenQ LH770 User Manual

Important safety instructions

Your projector is designed and tested to meet the latest standards for safety of information technology
equipment. However, to ensure safe use of this product, it is important that you follow the instructions
mentioned in this manual and marked on the product.

Safety Instructions

1. Do not look straight at the projector lens during operation. The intense light beam may damage your
eyes.
2. Always open the lens shutter or remove the lens cap when the projector lamp is on.
3. In some countries, the line voltage is NOT stable. This projector is designed to operate safely within a
mains voltage between 100 to 240 volts AC, but could fail if power cuts or surges of ±10 volts occur.
In areas where the mains voltage may fluctuate or cut out, it is recommended that you connect your
projector through a power stabilizer, surge protector or uninterruptible power supply (UPS).
4. Do not block the projection lens with any objects when the projector is under operation as this
could cause the objects to become heated and deformed or even cause a fire. Press ECO BLANK
on the remote control to turn off the lamp temporarily.
5. Do not place this product on an unstable cart, stand, or table. The product may fall, sustaining serious
damage.
6. Do not attempt to disassemble this projector. There are dangerous high voltages inside which may
cause death if you should come into contact with live parts.
Under no circumstances should you ever undo or remove any other covers. Refer servicing only to
suitably qualified professional service personnel.
7. Do not place this projector in any of the following environments.
y Space that is poorly ventilated or confined. Allow at least 50 cm clearance from walls and free
flow of air around the projector.
y Locations where temperatures may become excessively high, such as the inside of a car with all
windows rolled up.
y Locations where excessive humidity, dust, or cigarette smoke may contaminate optical
components, shortening the projector's life span and darkening the image.
y Locations near fire alarms
y Locations with an ambient temperature above 40°C / 104°F
y Locations where the altitudes are higher than 5000 m (16400 feet).
8. Do not block the ventilation holes.
y Do not place this projector on a blanket, bedding or any other soft surface.
y Do not cover this projector with a cloth or any other item.
y Do not place inflammables near the projector.
If the ventilation holes are seriously obstructed, overheating inside the projector may result in a fire.
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