BenQ LH820ST Manual de usuario

Quick Start Guide

Digital Projector

LH820ST

Notice

To ensure safe use of this product, Please read the user manual for details before you operate

your projector.

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

•Avoid using the projector in a poorly ventilated or confined space.

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.

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

elbaT•elbaT•

gnikcatS•gnilieC•

Air inlet

Air inlet Air outlet

Air outlet

70 cm

above

70 cm

above

70 cm

above 70 cm

above

30 cm

above

70 cm

above

Minimum 100 mm

Caution for installation

For proper ventilation of the projector, make sure to leave some

space around the projector as shown in the illustration below:

Product information

Shipping contents

Remote control

Indicator

OFF

QUICK INSTALL

INFO

AUTO

BLANK

LIGHT

PICTURE

BACK

MUTE

SOURCE

VOLUME - / LEFT VOLUME + / RIGHT

LIGHT SOURCE

ASPECT

Projector ID code keys

ZOOM+/ZOOM-

PAGE+/PAGE- FREEZE

2D KEYSTONE / UP

2D KEYSTONE / Down

Control terminals

Installation

Projection dimensions

• The screen aspect ratio is 16:9 and the projected picture is in a 16:9 aspect ratio

• *The vertical offset value is the vertical distance from the bottom edge of the image (when

the projector is on a table, diagram on the left), or top edge of the image (when the

projector is ceiling mounted, diagram on the right) to the centerline of lens.

• Due to the lens optical characteristics, every projector has its vertical offset ratio. The

vertical offset value normally gets larger while the projection distance increases.

• All measurements are approximate and may vary from the actual sizes.

• BenQ recommends that if you intend to permanently install the projector, you should

physically test the projection size and distance using the actual projector in situ before you

permanently install it, so as to make allowance for this projector's optical characteristics.

This will help you determine the exact mounting position so that it best suits your

installation location.

• To optimize your projection quality, we suggest doing the projection by following the values

in the non-gray cells.

• The values in the gray cells are for reference only.

16:9 Screen diagonal Screen

Centerline of lens

Vertical Offset (A)*

16:9 Screen diagonal

Screen

Projection distance

Vertical Offset (A)*

Centerline of lens

Screen size Projection distance

(mm)

*Vertical offset (A)

(mm)

Diagonal H

(mm)

Inch mm

60 1524 747 1328 660 67

70 1778 872 1550 770 78

80 2032 996 1771 880 90

90 2286 1121 1992 990 101

100 2540 1245 2214 1100 112

110 2794 1370 2435 1210 123

120 3048 1494 2657 1320 134

Dimensions

Projector dimensions

410 mm (W) x 157.7 mm (H) x 272 mm (D)

Unit: mm

Ceiling/Wall mount installation diagram

Unit: mm

272

410

99.9

157.7

130.9

87.1

Ceiling/Wall mount screw: M4

(Max L = 25 mm; Min L = 20 mm)

339.5

242.0

216.8

235.7

215.5

149.5

228.0

131.5

235.7

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