BenQ LW855UST User manual

LW855UST / LH856UST

V1.00

English

2Warranty and Copyright information

Warranty and Copyright information

Limited warranty

BenQ warrants this product against any defects in material and workmanship, under normal usage

and storage.

Proof of purchase date will be required with any warranty claim. In the event this product is found

to be defective within the warranty period, BenQ's only obligation and your exclusive remedy shall

be replacement of any defective parts (labor included). To obtain warranty service, immediately

notify the dealer from which you purchased the product of any defects.

Important: The above warranty shall be void if the customer fails to operate the product in

accordance with BenQ's written instructions, especially the ambient humidity must be in-between

10% and 90%, temperature in-between 0°C and 35°C, altitude lower than 4920 feet, and avoiding

to operate the projector in a dusty environment. This warranty gives you specic legal rights, and

you may have other rights which vary from country to country.

For other information, please visit www.BenQ.com.

Copyright

reproduced, transmitted, transcribed, stored in a retrieval system or translated into any language

or computer language, in any form or by any means, electronic, mechanical, magnetic, optical,

chemical, manual or otherwise, without the prior written permission of BenQ Corporation.

Disclaimer

BenQ Corporation makes no representations or warranties, either expressed or implied, with

respect to the contents hereof and specically disclaims any warranties, merchantability or tness

for any particular purpose. Further, BenQ Corporation reserves the right to revise this publication

and to make changes from time to time in the contents hereof without obligation to notify any

person of such revision or changes.

*DLP, Digital Micromirror Device and DMD are trademarks of Texas Instruments. Others are

copyrights of their respective companies or organizations..

Table of Contents

Warranty and Copyright information ......................................... 2

Important safety instructions ....................................................... 4

Notice on laser ............................................................................................................................................. 8

Introduction .................................................................................... 9

Projector features ........................................................................................................................................ 9

Shipping contents ......................................................................................................................................... 10

Projector exterior view .............................................................................................................................. 11

Controls and functions................................................................................................................................ 12

Positioning your projector ............................................................ 15

Using the Quick Install ................................................................................................................................ 15

Obtaining a preferred projected image size ........................................................................................... 17

Limited lens shift specication

(No available in LH856UST) ...................................................................................................................... 18

Mounting the projector .............................................................................................................................. 19

Dimensions .................................................................................................................................................... 21

Connection ..................................................................................... 22

Connecting video source devices ............................................................................................................. 23

Connecting audio ......................................................................................................................................... 23

Connecting smart devices .......................................................................................................................... 23

Playing sound through the projector ....................................................................................................... 24

Operations ...................................................................................... 25

Starting up the projector .................................................................................................. .......................... 25

Adjusting the projected image ................................................................................................................... 26

Using the menus ........................................................................................................................................... 29

Securing the projector ................................................................................................................................ 30

Switching input signal ................................................. .................................................................................. 31

Installing PointWrite module on projector to use interaction function ......................................... 32

Shutting down the projector ..................................................................................................................... 33

Menu operation .............................................................................. 34

Menu System ................................................................................................................................................. 34

Maintenance ................................................................................... 50

Care of the projector .................................................................................................................................. 50

Indicators ........................................................................................................................................................ 51

Troubleshooting ............................................................................. 52

Troubleshooting ............................................................................................................................................ 52

Specications .................................................................................. 53

Projector specications .............................................................................................................................. 53

Timing table ................................................................................................................................................... 54

RS232 command control ............................................................................................................................ 58

PJLink ............................................................................................................................................................... 65

English

4Important safety instructions

Important safety instructions

Your projector is designed and tested to meet the latest standards for safety of information

technology equipment. However, to ensure safe use of this product, it is important that you follow

the instructions mentioned in this manual and marked on the product.

1. Please read this manual before you

operate your projector. Save it for future

reference.

2. Do not look straight at the projector

lens during operation. The intense light

beam may damage your eyes.

3. Refer servicing to qualied service

personnel.

4. In some countries, the line voltage is

NOT stable. This projector is designed

to operate safely within a mains voltage

between 100 to 240 volts AC, but could

fail if power cuts or surges of ±10 volts

occur. In areas where the mains

voltage may uctuate or cut out, it is

recommended that you connect your

projector through a power stabilizer,

surge protector or uninterruptible

power supply (UPS).

5. Do not block the projection lens with

any objects when the projector is under

operation as this could cause the objects

to become heated and deformed or even

cause a re. To temporarily turn off the

light source, press ECO BLANK on the

remote control.

English

5

Important safety instructions

9. Do not attempt to disassemble this

projector. There are dangerous high

voltages inside which may cause death if you

should come into contact with live parts.

Under no circumstances should you

ever undo or remove any other covers.

Refer servicing only to suitably qualied

professional service personnel.

10. 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.

11. Do not place this projector in any of the

following environments.

- Space that is poorly ventilated or conned. Allow

at least 50 cm clearance from walls and free ow

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, shortening the projector's life span

and darkening the image.

6. Do not operate projector beyond the rated

light source life, Excessive operation of light

source beyond the rated life could cause

them to break on rare occasions.

7. Never replace any electronic components

unless the projector is unplugged.

8. Do not place this product on an unstable

cart, stand, or table. The product may fall,

sustaining serious damage.

English

6Important safety instructions

- Locations near re 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)

12. Do not block the ventilation holes.

- Do not place this projector on a blanket, bedding

or any other soft surface.

- Do not cover this projector with a cloth or any

other item.

- Do not place inammables near the projector.

If the ventilation holes are seriously

obstructed, overheating inside the projector

may result in a re.

13. Do not stand the projector on end

vertically. Doing so may cause the projector

to fall over, causing injury or resulting in

damage to the projector

14. 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.

15. 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 wall socket and call BenQ to have

the projector serviced.

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7

Important safety instructions

16. This product is capable of displaying inverted

images for wall mount installation.

Use only BenQ's Wall Mount Kit for

mounting the projector and ensure it is

securely installed.

Wall mounting the projector

We want you to have a pleasant experience

using your BenQ projector, so we need to bring

this safety matter to your attention to prevent

possible damage to person and property.

If you intend to mount your projector on the

wall, we strongly recommend that you use a

proper tting BenQ projector wall mount kit and

that you ensure it is securely and safely installed.

If you use a non-BenQ brand projector wall

mount kit, there is a safety risk that the projector

may fall from the wall due to an improper

attachment through the use of the wrong gauge

or length screws.

You can purchase a BenQ projector wall mount

kit from the place you purchased your BenQ

projector. BenQ recommends that you also

purchase a separate Kensington lock compatible

security cable and attach it securely to both the

Kensington lock slot on the projector and the

base of the wall mount bracket. This will perform

the secondary role of restraining the projector

should its attachment to the mounting bracket

become loose.

English

8Important safety instructions

Notice on laser

Caution – use of controls or adjustments or performance of procedures other than those specied

herein may result in hazardous radiation exposure.

Do not point laser or allow laser light to be directed or reected toward other people or

reective objects.

Direct or scattered light can be hazardous to eyes and skin.

There is a potential hazard of eye exposure to laser radiation if the included instructions are not

followed.

Do not allow to look into the projector beam at any distance from the projector. An adult should

supervise the children to prevent exposure risks.

Check that there is no one looking at the lens, when using the remote control for starting the

projector.

Do not look at the projected light using optical devices(binoculars, telescopes, magnifying glasses,

reectors, etc).

Laser class

This Laser Product is designated as Class 1 and CONSUMER LASER PRODUCT: EN 50689:2021

during all procedures of operation and complies with IEC 60825-1:2014 and

EN 60825-1:2014/A11:2021.

Laser parameters

Wavelength 449nm - 461nm (Blue)

Mode of operation Pulsed, due to frame rate

Pulse width 1.15ms

Pulse repetition rate 120Hz

Maximum laser energy 0.76mJ

Total internal power >100w

Apparent source size >10mm, at lens stop

Divergence >100 mili Radian

English

9

Introduction

Projector features

The projector offers the following features

• Interactive capability

Extend the interactive function with optional PointWrite module.

• Vertical 2% lens shift (No available in LH856UST)

Optimize the installation exibility.

• Corner t

Correct each distorted corner to get a perfect rectangular image.

• Filter Free

Filter free design to lower maintenance and operating costs.

• Network Control

Integrated RJ45 connector for wired network control allowing management of projector status

from a computer using a web browser.

Enable Network Standby mode <2W.

• Crestron RoomView®, and AMX supported

The projector supports Crestron eControl and RoomView and AMX allowing you to control

and manage equipment from a remote computer via LAN connection.

• One-key auto-adjustment

Pressing AUTO on the remote control to show the best picture quality immediately.

• Built-in 10W x 2 speaker(s)

Built-in 10W x 2 speaker(s) providing stereo audio when an audio input is connected.

• Auto Power Off, Signal Power On, Direct Power On

Auto Power Off function allows the projector to turn off automatically if no input signal

is detected after a set period of time. Signal Power On function turns on your projector

automatically once detecting the signal input and Direct Power On boots up the projector

automatically when the power is connected.

• The apparent brightness of the projected image will vary depending on the ambient lighting conditions,

selected input signal contrast/brightness settings, and is directly proportional to projection distance.

English

10 Introduction

Shipping contents

Carefully unpack and verify that you have all of the items shown below. If any of these items are

missing, please contact your place of purchase.

Standard accessories

Projector with wall mount plate Remote control with battery

Power cord VGA cable Wall mount kit (WM04G4) &

user manual

Hex key (2.5mm)** Quick start guide Warranty card* Installation chart for

wallmount

• The supplied accessories will be suitable for your region, and may differ from those illustrated.

•*The warranty card is only supplied in some specic regions. Please consult your dealer for detailed

information.

• **Hex key not availabke in LH856UST model.

Optional accessories

1. 3D glasses

2. Wireless dongle: QCastMirror (QP30)

3. PointWrite kit (PW30U/PW31U)

4. PointWrite Touch module (PT20)

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11

Introduction

Projector exterior view

2

4

9

1

23

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

821

8 8

22

1. PointWrite dummy cover

(Optional PointWrite kit)

2. Mirror

3. Focus ring

4. External control panel

(See "Projector & Remote control" on

page 12 for details.)

5. Vent (cool air intake)

6. Lens shift

7. Projection lens

8. Front adjuster foot

9. Front IR remote sensor

10. AC power cord inlet

11. PointWrite SERVICE port

(PointWrite kit is required)

12. RJ45 LAN input jack

13. HDMI-2 input jack

14. HDMI-1 input jack

15. MONITOR output jack

16. PC input jack

17. MIC input jack

18. RS-232 control port

19. USB Type A (1.5A)port

20. AUDIO IN/OUT jack

21. Kensington anti-theft lock slot

22. Wall mount plate

English

12 Introduction

Controls and functions

Projector & Remote control

• All the key presses described in this document

are available on the remote control or

projector.**There is no Laser function of the

remote for Japan region.

• The remote control is without laser pointer in

Japan.

1

2

3

4

5

6

7

8

10

11

9

12

1. POWER

Toggles the projector between standby mode

and on.

ON/Off

Toggles the projector between standby mode

and on.

2. Keystone/Arrow keys ( / Up)

Manually corrects distorted images resulting

from an angled projection.

3. Left/

Decreases the projector volume.

4. BACK

Goes back to previous OSD menu, exits

and saves menu settings.

5. Keystone/Arrow keys ( / Down)

Manually corrects distorted images

resulting from an angled projection.

6. POWER indicator light

Lights up or ashes when the projector

is under operation. See "Indicators" on

page 51 for details.

7. SOURCE

Displays the source selection bar. See

"Switching input signal" on page 31 for

details.

1

2

3

45

7

89

10

13

14

15

1617

18

19

2021

22

2324

2526

27

28

29

30

English

13

Introduction

8. Right/ )

Increases the projector volume.

When the On-Screen Display (OSD) menu

is activated, the #2, #3, #5, and #8 keys

are used as directional arrows to select

the desired menu items and to make

adjustments. See "Using the menus" on

page 29 for details.

9. OK

Conrms the selected On-Screen Display

(OSD) menu item.

10. MENU

Turns on the On-Screen Display (OSD)

menu. See "Using the menus" on page 29

for details.

11. Light source indicator light

Indicates the status of the light source.

Lights up or ashes when the light source

has developed a problem. See "Indicators"

on page 51 for details.

12. TEMPerature indicator light

Lights up red if the projector's temperature

becomes too high. See "Indicators" on

page 51 for details.

13. Source selection buttons

(COMPUTER, VIDEO, S-Video,

HDMI 1/2)

Selects an input source for display.

14. AUTO

Automatically determines the best picture

timings for the displayed image. See "Auto-

adjusting the image" on page 26 for

details.

15. MUTE

Toggles projector audio between on and

off.

16. LIGHT MODE

Press to display OSD menu to select

desired light mode.

17. PIC MODE

Press to display OSD menu to select Picture

mode. See "Picture Mode" on page 40 for

details.

18. ASPECT

Selects the display aspect ratio.

19. ZOOM+/ZOOM-

Magnies or reduces the projected picture

size.

20. CONTRAST

Displays the CONTRAST setting bar.

21. FREEZE

Freezes the projected image. See "Test

Pattern" on page 46.

22. TEST PATTERN

Displays the test pattern.

23. QUICK INSTALL

Quickly selects several functions to adjust

the projected image and displays the test

pattern.

24. KEYSTON

Display the 2D Keystone page.

25. INFO

Displays the projector information.

26. BRIGHTNESS+/BRIGHTNESS-

Displays the BRIGHTNESS setting bar.

27. MIC/VOL +/MIC/VOL -

Microphone input level adjustment.

28. 3D

Press to display 3D setup menu.

29. ECO BLANK

Used to hide the screen picture.

Do not block the projection lens from projecting

as this could cause the blocking object to become

heated and deformed or even cause a re.

30. NETWORK SETTING

Displays the Network Settings OSD

menu.

English

14 Introduction

Replacing the remote control battery

1. To open the battery cover, turn the remote control over to view its back, push on the nger

grip on the cover and slide it up in the direction of the arrow as illustrated. The cover will

slide off.

2. Remove any existing batteries (if necessary) and install two AAA batteries observing the

battery polarities as indicated in the base of the battery compartment. Positive (+) goes to

positive and negative (-) goes to negative.

3. Ret the cover by aligning it with the base and sliding it back down into position. Stop when it

clicks into place.

• Avoid excessive heat and humidity.

• There may be battery damage if the battery is incorrectly replaced.

• Replace only with the same or equivalent type recommended by the battery manufacturer.

• Dispose of the used battery according to the battery manufacturer’s instructions.

• Never throw a battery into a re. There may be danger of an explosion.

• If the battery is dead or if you will not be using the remote control for a long time, remove the battery to

prevent damage to the remote control from possible battery leakage.

Remote control effective range

Infra-Red (IR) remote control sensor is located on the front and rear of the projector. The remote

control must be held at an angle within 30 degrees perpendicular to the projector's IR remote

control sensor to function correctly. The distance between the remote control and the sensor

should not exceed 8 meters (~ 26 feet).

Make sure that there are no obstacles between the remote control and the IR sensor on the

projector that might obstruct the infra-red beam.

Approx.±30º

English

15

Positioning your projector

Using the Quick Install

The projector provides a hot key to set Projector Position, Test Pattern, 2D Keystone,

Corner Fit and Digital Shrink & Shift quickly.

Press Quick Install on the remote control and press / to select:

• Projector Position: See "Positioning your projector" on page 15.

• Test Pattern: See"Test Pattern" on page 46

• 2D Keystone: See "Correcting 2D Keystone" on page 27.

• Corner Fit: See "Correcting Corner Fit" on page 28.

• Digital Shrink & Shift: See "Digital Shrink & Shift" on page 47.

Choosing a location

Your projector is designed to be installed in one of four possible installation locations:

Front Wall Rear Table Front Table Rear Wall

Use the test pattern

English

16 Positioning your projector

Correct the image

2D Keystone correction

Corner t correction

Digital shrink and shift

Set up your screen via Quick Install hotkey on remote, you can also go to the Installation >

Projector Position menu after turning on the projector.

Your room layout or personal preference will dictate which installation location you select. Take

into consideration the size and position of your screen, the location of a suitable power outlet, as

well as the location and distance between the projector and the rest of your equipment.

English

17

Positioning your projector

Obtaining a preferred projected image size

Projection dimensions

Refer to "Dimensions" on page 21 for the center of lens dimensions of this projector before

calculating the appropriate position.

To install the PointWrite Touch module, download the le “installation guide for PointWrite

Touch module” from the BenQ website.

D

H V

W

h

•LW855UST

The screen aspect ratio is 16:10 and the projected picture is 16:10.

WXGA

Screen Size

(Diagonal)

Screen Width

(W)

Screen Height

(h)

Projection Distance

(D)

Offset

(H)

Scale

Parameter

Distance between

Wall plate & projection

screen (V)

Inch mm Inch mm Inch mm Inch mm Inch mm mm

80 2032 68 1723 42 1077 11. 23 285.4 11. 85 300.9 513 277.1

85 2159 72 1831 45 114 4 12.72 323.1 12.43 315.7 550 292.0

87 2210 74 1874 46 1171 13.31 338.1 12.66 321.7 565 297.9

90 2286 76 1939 48 1212 14.20 360.8 13.01 330.5 588 306.8

92 2337 78 1982 49 1239 14.80 375.8 13.25 336.5 603 312.7

95 2413 81 2046 50 1279 15.69 398.4 13.60 345.4 626 321.6

97 2464 82 2089 51 1306 16.28 413.5 13.83 351.3 641 327.5

100 2540 85 2154 53 1346 17.17 436.1 14.18 360.2 663 336.4

•LH856UST

The screen aspect ratio is 16:9 and the projected picture is 16:9.

1080P

Screen Size

(Diagonal)

Screen Width

(W)

Screen Height

(h)

Projection Distance

(D)

Offset

(H)

Scale

Parameter

Distance between

Wall plate & projection

screen (V)

Inch mm Inch mm Inch mm Inch mm Inch mm mm

81.2 2062 71 1798 40 1011 11. 06 280.9 12.31 312.7 508 289.0

85 2159 74 1882 42 1058 12.16 308.9 12.77 324.4 536 300.6

88.9 2258 77 1968 44 1107 13.29 337.6 13.24 336.3 565 312.5

90 2286 78 1992 44 1121 13.61 345.7 13.37 339.7 573 315.9

92 2337 80 2037 45 1146 14.19 360.5 13.62 345.8 588 322.0

97 2464 85 2147 48 1208 15.64 397.4 14.22 361.1 625 337.4

100 2540 87 2214 49 1245 16.51 419.5 14.58 370.3 647 346.6

103.3 2624 90 2287 51 1286 17.47 443.8 14.98 380.4 671 356.7

There is 5% tolerance among these numbers due to optical component variations. BenQ recommends that

if you intend to permanently install the projector, you should physically test the projection size and distance

using the actual projector 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..

It is recommended to adjust focus 15 minutes after powering on due to the slight shifting of the lens from

temperature changing.

English

18 Positioning your projector

Limited lens shift specication

(No available in LH856UST)

To shift up the projection image, twist the

adjuster counter clockwisre.

To shift down the projection image, twist the

adjuster clockwisre.

English

19

Positioning your projector

Mounting the projector

If you intend to mount your projector, we strongly recommend that you use a proper tting BenQ

projector mounting kit and that you ensure it is securely and safely installed.

If you use a non-BenQ brand projector mounting kit, there is a safety risk that the projector may

fall down due to an improper attachment through the use of the wrong gauge or length screws.

Before mounting the projector

• Use BenQ Projector Wall Mounting Kit come with the package. Please refer to the User manual

in the box of wall mount kit for installation details.

• BenQ recommends that you also purchase a separate Kensington lock compatible security cable

and attach it securely to both the Kensington lock slot on the projector and the base of the

mounting bracket. This will perform the secondary role of restraining the projector should its

attachment to the mounting bracket become loose.

• Ask your dealer to install the projector for you. Installing the projector on your own may cause

it to fall and result in injury.

• Take necessary procedures to prevent the projector from falling off such as during an

earthquake.

• The warranty doesn’t cover any product damage caused by mounting the projector with a non-

BenQ brand projector mounting kit.

• Consider the surrounding temperature where the projector is ceiling/wall mounted. If a heater

is used, the temperature around the ceiling may be higher than expected.

• Read the user manual for the mounting kit about the range of torque. Tightening with torque

exceeding the recommended range may cause damage to the projector and subsequently falling

off.

• Make sure the power outlet is at an accessible height so that you can easily shut down the

projector.

Install the projector on the projector wall mount

1. Slide the projector into the wall mount.

English

20 Positioning your projector

2. Adjust the Vertical Tilt/Horizontal Roll/Horizontal Rotation to adjust screen alignment and

image position.

Adjustment buttons

Adjustment

directions

Adjustment buttons

Adjustment directions

Adjustment buttons

Adjustment directions

3. Adjust the Forward/Backward Slide to reduce/enlarge the image.

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