BenQ HT5550 User Manual page 6

15. Do not step on the projector or place any
objects upon it. Besides probable physical
damage to the projector, doing so may
result in accidents and possible injury.
16. When the projector is under operation, you
may sense some heated air and odor from
its ventilation grill. It is a normal
phenomenon and not a product defect.
17. Do not place liquids near or on the
projector. Liquids spilled into the projector
may cause it to fail. If the projector does
become wet, disconnect it from the power
supply's power outlet and call BenQ to have
the projector serviced.
18. This product is capable of displaying inverted
images for ceiling mount installation.
19. This apparatus must be earthed.
6 Important safety instructions
20. 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, shorten the projector's life span and
darken the image.
- Locations near fire alarms
- Locations with an ambient temperature above 40°C
/ 104°F
- Locations where the altitudes are higher than 3000
m (10000 feet).
3000 m
(10000 feet)
0 m
(0 feet)
Risk Group 2
1. According to the classification of
photobiological safety of lamps and lamp
systems, this product is Risk Group 2, IEC
62471-5:2015.
2. Possibly hazardous optical radiation emitted
from this product.
3. Do not stare at operating lamp. May be
harmful to the eyes.
4. As with any bright source, do not stare into
the direct beam.
Hg - Lamp contains mercury. Manage in accordance with
local disposal laws. See www.lamprecycle.org.