BenQ Digital Projector Quick Start Guide

Notice

To ensure safe use of this product, please read the user manual for details before operating 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.

Laser Caution

(For China and other regions) This product belongs to CLASS 1 laser product and complies with IEC 60825-1 :2014.

(For North America) This product belongs to CLASS IIIa laser product and complies with IEC 60825-1:2007.

LASER RADIATION AVOID DIRECT EYE EXPOSURE CLASS 3R LASER PRODUCT

The projector's light source unit uses a laser.

(For North America)

(For other regions) Above laser cautions are located on the bottom of this apparatus.

Caution - Use of control or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure.

Cooling Notice

LX820ST/LW820ST

Ventilation and Installation Caution

For proper ventilation of the projector, ensure adequate space around the projector as shown in the illustrations below.

• Table Installation: Maintain at least 70 cm clearance above and around the projector.
• Ceiling Installation: Maintain at least 30 cm clearance above the projector and 70 cm clearance around it.
• Stacking Installation: Maintain a minimum of 100 mm between stacked units.

LX820STD/LW820STD

Ventilation and Installation Caution

For proper ventilation of the projector, ensure adequate space around the projector as shown in the illustrations below.

• Table Installation: Maintain at least 70 cm clearance above and around the projector.
• Ceiling Installation: Maintain at least 30 cm clearance above the projector and 70 cm clearance around it.
• Stacking Installation: Maintain a minimum of 100 mm between stacked units.

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

Product Information: Shipping Contents

The shipping package typically includes:

• BenQ Digital Projector (LX820ST/LW820ST or LX820STD/LW820STD for China Only)
• Remote control with batteries
• Power cable
• Video cable
• Audio cable
• CD with software/manuals
• User manual and documentation

Remote Control Overview

The projector comes with two types of remote controls, depending on the region:

World Wide Region Remote:

Features buttons for Power (ON/OFF), Source selection (PC, HDMI 1, HDMI 2, MHL, Network, Video), Keystone adjustment (Up/Down), Volume control (Left/Right), OK, Menu, Auto, Back, Mute, Freeze, Eco Blank, Light Mode, Zoom, Aspect, Picture, Quick Install, and Info.

Japan Region Remote:

Similar functionality to the World Wide remote, with specific regional button labels or layouts. Includes Power, Source selection (PC, HDMI 1, HDMI 2, Network, Video, QCast, Computer 1), Keystone, Volume, OK, Menu, Auto, Back, Mute, Freeze, Eco Blank, Aspect, Mode, Smart Eco, Quick Install, and Info buttons.

Control Terminals

The projector features a comprehensive set of input and output terminals for connectivity:

• Output Terminals: RGB Output (D-Sub 15-pin female), Speaker (10 Watt), Audio Signal Output (PC audio jack).
• Input Terminals: Computer Input (RGB input via D-Sub 15-pin female x2), Video Signal Input (S-VIDEO, Mini DIN 4-pin, VIDEO via RCA jack), SD/HDTV Signal Input (Analog Component via RGB input), Digital Input (HDMI x1, HDMI/MHL x1), Audio Signal Input (PC audio jack, Microphone audio jack, RCA audio jack L/R).
• Control Ports: USB (Type-A power supply, Mini-B, Micro USB), RS-232 Serial Control (9-pin), IR Receiver (x2), LAN Control (Wired RJ45).

Installation and Dimensions

Projection Dimensions

The projector supports both 4:3 and 16:10 aspect ratios. Tables provide detailed measurements for screen diagonal, height (H), width (W), projection distance, and offset for various screen sizes.

4:3 Aspect Ratio Projection Dimensions (LX820ST/LX820STD)

16:10 Aspect Ratio Projection Dimensions (LW820ST/LW820STD)

Note: All measurements are approximate and may vary from actual sizes.

BenQ recommends physically testing the projection size and distance in situ before permanent installation to determine the optimal mounting position.

Projector Dimensions

LX820ST/LW820ST

Dimensions: 410 mm (Width) x 158 mm (Height) x 272 mm (Depth).

Ceiling/Wall Mount Installation Diagram

The diagram shows mounting points and specifies M4 screws (Max length 25 mm, Min length 20 mm).

LX820STD/LW820STD

Dimensions: 426 mm (Width) x 158 mm (Height) x 272 mm (Depth).

Ceiling/Wall Mount Installation Diagram

The diagram shows mounting points and specifies M4 screws (Max length 25 mm, Min length 20 mm).

Specifications

Optical

• Resolution: 1024 x 768 XGA (LX820ST/LX820STD); 1280 x 800 WXGA (LW820ST/LW820STD)
• Display System: DLP® Chip
• Lens: F = 2.79, f = 7.46 mm
• Offset: LX820ST/LX820STD: 108.4+/-2.5%; LW820ST/LW820STD: 106.1+/-2.5%
• Zoom Ratio: Fixed
• Light Source: Laser diode

Electrical

• Power Supply: AC100-240V, 3.00 A, 50-60 Hz (Automatic)
• Power Consumption: 321 W (Max); < 0.5 W for normal standby mode; <2W (When the Network function is enabled in Standby Settings)

Mechanical

• Weight: LX820ST/LW820ST: 5.6 Kg (12.3 lbs); LX820STD/LW820STD: 5.7 Kg (12.6 lbs)

Output Terminals

• RGB Output: D-Sub 15-pin (female) x 1
• Speaker: 10 watt x 1
• Audio Signal Output: PC audio jack x 1

Control

• USB: Type-A power supply 5V/1.5A x 1 (Optional for QCast Mirror HDMI Wireless Dongle); Mini-B x 1; Micro USB x 1
• RS-232 Serial Control: 9 pin x 1
• IR Receiver: 2
• LAN Control: Wired (RJ45)

Input Terminals

• Computer Input: RGB Input (D-Sub 15-pin female x 2)
• Video Signal Input: S-VIDEO, Mini DIN 4-pin x 1, VIDEO (RCA jack x 1)
• SD/HDTV Signal Input: Analog - Component (via RGB input)
• Digital: HDMI x 1; HDMI/MHL x 1
• Audio Signal Input: Audio in (PC audio jack x 1, Microphone audio jack x 1, RCA audio jack L/R x 1)

Environmental Requirements

• Temperature: Operating: 0°C-40°C at sea level; Storage: -20°C-60°C at sea level
• Relative Humidity: Operating: 10%-90% (without condensation); Storage: 10%-90% (without condensation)
• Altitude: Operating: 0-1499 m at 0°C-35°C; 1500-3000m at 0°C-30°C (with High Altitude Mode on); Storage: 0-12200 m at 30°C

Transporting

Original packing or equivalent is recommended.

Repairing

Please visit the website below and choose your country to find your service contact window: http://www.benq.com/welcome

Further Information

For further information, please refer to the enclosed user manual.