Digital Projector
User Manual
Installation Projector I LK952 / LK953ST
V 1.00
2 Warranty 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 40°C, altitude lower than 3000 m (used with High Altitude Mode),
and avoiding to operate the projector in a dusty environment. This warranty gives you specific legal
rights, and you may have other rights which vary from country to country.
For other information, please visit www.BenQ.com.
Copyright
Copyright © 2018 by BenQ Corporation. All rights reserved. No part of this publication may be
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 specifically disclaims any warranties, merchantability or fitness 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.
Patents
Please go to http://patmarking.benq.com/ for the details on BenQ projector patent coverage.
3 Table of Contents
Table of Contents
Warranty and Copyright information ................................................................................ 2
Important safety instructions .............................................................................................. 4
Introduction .......................................................................................................................... 6
Shipping contents ....................................................................................................................................... 6
Projector exterior view ............................................................................................................................ 7
Control Panel .............................................................................................................................................. 8
Control terminals ....................................................................................................................................... 9
Remote control ........................................................................................................................................10
Installation ........................................................................................................................... 13
Choosing a location .................................................................................................................................13
Cooling notice ...........................................................................................................................................13
Obtaining a preferred projected image size....................................................................................... 14
Mounting the projector........................................................................................................................... 16
Adjusting the projector position........................................................................................................... 17
Adjusting the projected image............................................................................................................... 18
Connection .......................................................................................................................... 19
Operation ............................................................................................................................ 21
Starting up the projector ........................................................................................................................21
Using the menus .......................................................................................................................................22
Securing the projector ............................................................................................................................ 23
Switching input signal ...............................................................................................................................24
Shutting down the projector ................................................................................................................. 25
Menu operation ................................................................................................................... 26
PICTURE menu .....................................................................................................................................26
DISPLAY menu...................................................................................................................................... 30
INSTALLATION menu .....................................................................................................................31
SYSTEM SETUP: BASIC menu .....................................................................................................32
SYSTEM SETUP: ADVANCED menu ........................................................................................33
INFORMATION menu .......................................................................................................................34
Maintenance ........................................................................................................................ 35
Care of the projector ..............................................................................................................................35
Light source information ........................................................................................................................ 36
LED Indicators........................................................................................................................................... 37
Troubleshooting ................................................................................................................. 38
Specifications ...................................................................................................................... 39
Projector specifications ..........................................................................................................................39
Dimensions ................................................................................................................................................40
Timing chart............................................................................................................................................... 41
RS232 command....................................................................................................................................... 46
4 Important 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 the user manual / installation guide and marked on the product.
1. Please read the user manual / installation guide 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 qualified service personnel.
4. Always open the lens shutter (if any) or remove the lens cap (if any) when the
projector light source is on.
5. The light source becomes extremely hot during operation.
6. 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 fluctuate or cut out, it is
recommended that you connect your projector through a power stabilizer, surge
protector or uninterruptible power supply (UPS).
7. 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 fire. To temporarily turn
off the light source, use the blank function.
8. Do not operate light sources beyond the rated light source life.
9. Do not place this product on an unstable cart, stand, or table. The product may fall, sustaining
serious damage.
10. 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 qualified professional service personnel.
11. 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 inflammables near the projector.
If the ventilation holes are seriously obstructed, overheating inside the projector may result in a fire.
12. 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.
13. 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.
14. 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.
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 power outlet and call
BenQ to have the projector serviced.
16. This apparatus must be earthed.
17. Do not place this projector in any of the following environments.
5 Important safety instructions
- 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).
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 laser product and
complies with IEC 60825-1:2014.
LASER RADIATION, DO NOT STARE INTO
BEAM, CLASS 1 LASER PRODUCT.
6 Introduction
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
Optional accessories
Projector Remote control and batteries Installation guide Power cord
The supplied accessories will be suitable for your region, and may differ from those illustrated.
1. Ceiling mount CMG3
2. 3D glasses
3. InstaShow™ (WDC10)
7 Introduction
Projector exterior view
1. Vent (heated air exhaust)
2. IR remote sensor
3. Zoom ring
4. Focus ring
5. Adjuster feet
6. Projection lens
7. Lens cover
8. Lens shift adjustment knobs (LEFT/RIGHT,
UP/DOWN)
9. Vent (cool air intake)
10. Control terminals (See Control terminals
on page 9.)
11. Kensington anti-theft lock slot
12. AC power jack
13. POWER indicator light/TEMPerature warning
light/LIGHT indicator light
(See LED Indicators on page 37.)
14. Filter cover
15. External control panel
(See Control Panel on page 8.)
16. Ceiling mount holes
17. Security bar
18. Projector holder
19. Third party mounting holes
20. InstaShow holes
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8 Introduction
Control Panel
1. MENU
Turns on the On-Screen Display (OSD) menu.
2. Arrow keys ( , , , )
When the On-Screen Display (OSD) menu is
activated, these keys are used as directional
arrows to select the desired menu items and
to make adjustments.
Keystone keys (, )
Displays the keystone correction page.
Volume keys (, )
Decreases or increase the projector volume.
3. POWER
Toggles the projector between standby mode
and on.
4. BACK
Goes back to previous OSD menu, exits and
saves menu settings.
5. AUTO
Automatically determines the best picture
timings for the displayed image when PC signal
(analog RGB) is selected.
6. OK
Confirms the selected On-Screen Display
(OSD) menu item.
7. SOURCE
Displays the source selection bar.
All the key presses described in this document are available on the remote control or projector.
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1
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9 Introduction
Control terminals
1. WIRED REMOTE
For connection to a wired remote control.
2. RS232
Standard 9-pin D-sub interface for connection
to PC control system and projector
maintenance.
3. USB MINI-B
For firmware upgrade only.
4. USB TYPE A
Support 5V/2A output.
5. LAN
For connection to RJ45 Cat5/Cat6 Ethernet
cable to control the projector through a
network.
6. HDBaseT
For connection to RJ45 Cat5/Cat6 cable to
input uncompressed high-definition video
(HD).
7. HDMI 1 (HDCP2.2)
Connection to HDMI (4K) source.
8. HDMI 2
Connection to HDMI source.
9. MONITOR OUT
Connection to other display equipment for
concurrent playback display. (Used with PC
IN port.)
10. PC IN
15-pin VGA port for connection to RGB
source or PC.
11. AUDIO IN
Connection to an audio input source via an
audio cable. (Used with PC IN port.)
12. AUDIO OUT
Connection to a speaker or headset.
13. 12V TRIGGER
Trigger external devices such as an electric
screen or light control, etc.
14. HDMI 3
Connection to HDMI source.
15. HDMI OUT
Connection to other display equipment for
concurrent playback display. (Used with
HDMI 3 port.)
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2 6 1084
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11 13
7 9
14 15
10 Introduction
Remote control
6. OK
Confirms the selected On-Screen Display
(OSD) menu item.
7. BACK
Goes back to previous OSD menu, exits and
saves menu settings.
8. MENU
Turns on the On-Screen Display (OSD) menu.
9. MUTE
Toggles projector audio between on and off.
10. Numeric buttons
Enters numbers when setting the remote
control ID. Numeric buttons 1, 2, 3, 4 cannot
be pressed when asked to enter password.
11. ALL
Press and hold ID SET until the ID setting
indicator lights up. Press ALL to clear current
ID setting of the remote control. The ID is
cleared successfully when you see the ID
setting indicator starts flickering and then
blackout.
12. ZOOM+/ZOOM-
No function.
13. ID setting indicator
14. QUICK INSTALL
No function.
15. INFO
Displays the projector information.
16. LIGHT SOURCE
Selects a suitable light source power among
the provided modes.
17. AUTO
Automatically determines the best picture
timings for the displayed image.
1. ON/ OFF
Toggles the projector between standby mode
and on.
2. SOURCE
Displays the source selection bar.
3. ASPECT
Selects the display aspect ratio.
4. PICTURE
Selects an available picture setup mode.
5. Arrow keys ( , , , )
When the On-Screen Display (OSD) menu is
activated, these keys are used as directional
arrows to select the desired menu items and
to make adjustments.
Keystone keys ( , )
Displays the keystone correction page.
Volume keys (-, +)
Decreases or increase the projector volume.
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11 Introduction
Remote control effective range
The remote control must be held at an angle within 30 degrees perpendicular to the projector's IR
remote control sensor(s) to function correctly. The distance between the remote control and the
sensor(s) should not exceed 8 meters (~ 26 feet).
Make sure that there are no obstacles between the remote control and the IR sensor(s) on the
projector that might obstruct the infra-red beam.
Replacing the remote control batteries
1. Press and slide off the battery cover, as illustrated.
2. Remove the old batteries (if applicable) and install two
AAA batteries. Make sure that the positive and negative
ends are positioned correctly, as illustrated.
3. Slide the battery cover in until it clicks into place.
18. 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 fire.
19. LIGHT
Turns on the remote control backlight for a
few seconds. To keep the backlight on, press
any other key while the backlight is on. Press
the key again to turn the backlight off.
20. ID SET
Sets the code for this remote control. Press
and hold ID SET until the ID setting indicator
lights up. Enter the ID for the remote control
(between 01~99). The remote control ID
should be the same as the corresponding
projector ID. The ID is saved successfully
when you see the ID setting indicator starts
flickering and then blackout.
21. 3D
No function.
22. FREEZE
No function.
23. PAG E +/PAG E -
No function.
• Operating the projector from the front • Operating the projector from the rear
A
p
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+
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ppr
ox
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+
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12 Introduction
• Avoid leaving the remote control and batteries in an excessive heat or humid environment like the kitchen,
bathroom, sauna, sunroom or in a closed car.
• Replace only with the same or equivalent type recommended by the battery manufacturer.
• Dispose of the used batteries according to the manufacturer's instructions and local environment regulations for
your region.
• Never throw the batteries into a fire. There may be danger of an explosion.
• If the batteries are dead or if you will not be using the remote control for an extended period of time, remove the
batteries to avoid damage to the remote control from possible battery leakage.
13 Installation
Installation
Choosing a location
Before choosing an installation location for your projector, take the following factors into consideration:
• Size and position of your screen
• Electrical outlet location
• Location and distance between the projector and the rest of your equipment
You can install your projector in the following ways: Front Table, Front Ceiling, Rear Ceiling,
Rear Table. (See Projector Position on page 31.)
The projector can also be installed at following angles:
Cooling notice
360-degree projection
Installation of the projector should be performed carefully. Incomplete or improper installation may cause the
projector to fall, resulting in personal injury or property damage.
Ventilation Caution for installation
For proper ventilation of the projector, make sure to leave some
space around the projector as shown in the illustration below:
• Table • Table
• Ceiling • Stacking
• Avoid using the projector in a poorly ventilated or confined space.
• The light source life may be affected if the projector is used tilted at an angle of more than +
15 degrees.
Air inlet
Air inlet
Air outlet
Air outlet
50 cm
above
70 cm
above
50 cm
above
50 cm
above
30 cm
above
50 cm
above
Minimum 100 mm
14 Installation
Obtaining a preferred projected image size
The distance from the projector lens to the screen, the zoom setting, and the video format each factors
in the projected image size.
Projection dimensions
The screen aspect ratio is 16:9 and the projected picture is in a 16:9 aspect ratio
LK952
Screen size Distance from screen (mm)
Diagonal
W (mm) H (mm)
Min length
Average
Max length
Inch mm (max. zoom) (min. zoom)
30 762 664 374 903 1176 1448
40 1016 886 498 1204 1567 1930
50 1270 1107 623 1505 1959 2413
60 1524 1328 747 1806 2351 2896
80 2032 1771 996 2409 3135 3861
90 2286 1992 1121 2710 3527 4343
100 2540 2214 1245 3011 3918 4826
110 2794 2435 1370 3312 4310 5309
120 3048 2657 1494 3613 4702 5791
130 3302 2878 1619 3914 5094 6274
140 3556 3099 1743 4215 5486 6757
150 3810 3321 1868 4516 5878 7239
160 4064 3542 1992 4817 6269 7722
170 4318 3763 2117 5118 6661 8204
180 4572 3985 2241 5419 7053 8687
190 4826 4206 2366 5720 7445 9170
200 5080 4428 2491 6022 7837 9652
250 6350 5535 3113 7527 9796 12065
300 7620 6641 3736 9032 11755 14478
H
W
Projection distance
Center of lens
Screen
16:9 Screen diagonal
15 Installation
LK953ST
Screen size Distance from screen (mm)
Diagonal
W (mm) H (mm)
Min length
Average
Max length
Inch mm (max. zoom) (min. zoom)
30 762 664 374 538 565 591
40 1016 886 498 717 753 788
50 1270 1107 623 897 941 985
60 1524 1328 747 1076 1129 1182
80 2032 1771 996 1435 1505 1576
90 2286 1992 1121 1614 1694 1773
100 2540 2214 1245 1793 1882 1970
110 2794 2435 1370 1972 2070 2167
120 3048 2657 1494 2152 2258 2364
130 3302 2878 1619 2331 2446 2561
140 3556 3099 1743 2510 2634 2758
150 3810 3321 1868 2690 2823 2955
160 4064 3542 1992 2869 3011 3152
170 4318 3763 2117 3048 3199 3349
180 4572 3985 2241 3228 3387 3547
190 4826 4206 2366 3407 3575 3744
200 5080 4428 2491 3586 3763 3941
250 6350 5535 3113 4483 4704 4926
300 7620 6641 3736 5380 5645 5911
• To optimize your projection quality, we suggest you do the projection within non-gray area.
• 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.
• Ceiling installation must be done by a qualified professional. Contact your dealer for more information. It is not
recommended you install the projector yourself.
• Only use the projector on a solid, level surface. Serious injury and damage can occur if the projector is dropped.
• Do not use the projector in an environment where extreme temperature occurs. The projector must be used at
temperatures between 32 degrees Fahrenheit (0 degrees Celsius) and 104 degrees Fahrenheit (40 degrees
Celsius).
• Screen damage will occur if the projector is exposed to moisture, dust or smoke.
• Do not cover the vents on the projector. Proper ventilation is required to dissipate heat. Damage to the projector
will occur if the vents are covered.
16 Installation
Mounting the projector
If you intend to mount your projector, we strongly recommend that you use a proper fitting 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
• Purchase a BenQ projector mounting kit from the place you purchased your BenQ projector.
• BenQ recommends that you also purchase a separate security cable and attach it securely to both the
security bar 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 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.
17 Installation
Adjusting the projector position
Shifting the projection lens
The lens shift control provides flexibility for installing your projector. It allows the projector to be
positioned off the center of the screen.
The lens shift is expressed as a percentage of the projected image height or width. You can turn the
knobs on the projector to shift the projection lens in any direction within the allowable range depending
on your desired image position.
• Lens shift adjustment will not result in a degraded picture quality.
• Please stop turning the adjustment knob when you hear a clicking sound indicating that the knob has reached its
limit. Over-turning the knob may cause damage.
Desk-front
projection
Ceiling mount-front
projection
Vertical shift
Ver tical shift
Vertical shift
Height of
projected
image
Max. 0.6V
Max. 0.6V
Max. 0.6V
Max. 0.6V
1V
1V
Effective projection position
Max.
0.23H
Max.
0.23H
Height of
projected
image
Width of projected image
1H
Shift to
left
Shift to
right
V: Height of projected image
H: Width of projected image
18 Installation
Adjusting the projected image
Adjusting the projection angle
If the projector is not placed on a flat surface or the
screen and the projector are not perpendicular to
each other, the projected image becomes
trapezoidal. You can screw the adjuster feet to
fine-tune the horizontal angle.
To retract the feet, screw the adjuster feet in a
reverse direction.
Fine-tuning the image size and clarity
Correcting keystone
Keystoning refers to the situation where the projected image becomes a trapezoid due to angled
projection.
To correct this, you will need to manually correct it following these steps.
1. Do one of the following steps to display the keystone
correction page.
• Press / on the projector or remote control.
• Go to INSTALLATION > Keystone and press OK.
2. After the Keystone correction page displays. Press to correct keystoning at the top of the
image. Press to correct keystoning at the bottom of the image.
3. When Keystone correction page displays, you can also do the following settings:
• Press OK to reset the keystone values.
Do not look into the lens while the light source is on. The strong light from the light source may cause damage to
your eyes.
1. Adjust the projected image to the size that you
need using the zoom ring.
2. Sharpen the image by rotating the focus ring.
This function is not available when there is no input signal. If you wish to use this function when there is no input
signal, activate Test Pattern first.
Press .
Press .
19 Connection
Connection
Before connecting, carefully read the operating instructions for connecting the external device. When
connecting a signal source to the projector, be sure to:
1. Turn all equipment off before making any connections.
2. Use the correct signal cables for each source.
3. Ensure the cables are firmly inserted.
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7
2 1 1
1 6
6
6
Notebook or desktop computer
A/V device
HDMI cable
RS232 cable
RJ-45 cable
HDBaseT matrix
switcher
VGA cable
Audio cable
Electric screen,
etc.
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2
3
4
5
6
7
Monitor
20 Connection
You need only connect the projector to a video source device using just one of the connecting methods,
however each provides a different level of video quality.
• In the connections above, some cables may not be included with the projector (see Shipping contents on page 6).
They are commercially available from electronics stores.
• The connection illustrations are for reference only.
• Before connecting a cable to the projector or to a device that is connected to the projector, touch any nearby
metallic objects to remove any static electricity from your body.
• Do not use unnecessarily long cables to connect the projector or a device to the projector. Using a longer cable
that is wound makes it act like an antenna, making it more susceptible to noise.
• When connecting cables, connect GND first and then insert the connecting terminal of the connecting device.
• Many notebooks do not turn on their external video ports when connected to a projector. Usually a key combo
like FN + function key with a monitor symbol turns the external display on/off. Press FN and the labeled function
key simultaneously. Refer to your notebook's documentation to find your notebook's key combination.
• If the selected video image is not displayed after the projector is turned on and the correct video source has been
selected, check that the video source device is turned on and operating correctly. Also check that the signal cables
have been connected correctly.
Te r m i n a l Picture quality
HDMI 1 (HDCP2.2)/HDMI
2/HDMI 3
Best
PC IN
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