BenQ W1140 User Manual page 6

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16. This product is capable of displaying inverted
images for ceiling mount installation.
17. This apparatus must be earthed.
18. 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)
6
Important safety instructions
Risk Group 2
1. According to the classification of
photobiological safety of light source and
light source 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 light source. May
be harmful to the eyes.
4. As with any bright source, do not stare into
the direct beam.
To avoid damaging the DLP chips, never aim a high-power
laser beam into the projection lens.

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