Laser Caution; Cooling Notice; Caution For Installation - BenQ LH820ST Quick Start Manual

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  • ENGLISH, page 1
Notice
To ensure safe use of this product, Please read the user manual for details before you operate
your projector.
Risk Group 2
1.
According to the classification of
photobiological safety of light sources
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.
The projector's light source unit uses a laser.
Caution - Use of control or adjustments or performance of procedures other than those
specified herein may result in hazardous radiation exposure.
Notice is given to supervise children and to never allow them to state into the projector
beam at any distance from the projector.
Notice is given to use caution when using the remote control for starting the projector
while in front of the projection lens.
Notice is given to the user to avoid the use of optional aids such as binoculars or telescopes
inside the beam.

Cooling notice

Ventilation
Air inlet
Air inlet
Avoid using the projector in a poorly ventilated or confined space.

Caution for installation

For proper ventilation of the projector, make sure to leave some
space around the projector as shown in the illustration below:
Air outlet
T
b a
e l
70 cm
above
Air outlet
C
e
i l i
g n
30 cm
above

Laser Caution

This product belongs to CLASS 1 consumer
laser product and complies with IEC 60825-
1:2014, EN 60825-1:2014/A11:2021 and EN
50689:2021.
Above laser caution is located on the
bottom of this apparatus
T
b a
e l
70 cm
70 cm
above
above
t S
c a
i k
g n
70 cm
above
Minimum 100 mm
70 cm
above

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