Dukane ImagePro 6132HD User manual

Projector
6132HD
User’s Manual
Model No.
6132HD
430-6132HD-User Manual-00

Ver. 1 2/15
• DLP, BrilliantColor, and DLP Link are trademarks of Texas Instruments.
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a registered trademark or trademark of Microsoft Corporation in the United States and/or other
countries.
• MicroSaver is a registered trademark of Kensington Computer Products Group, a division of ACCO
Brands.
• Virtual Remote Tool uses WinI2C/DDC library, © Nicomsoft Ltd.
• HDMI, the HDMI Logo and High-Denition Multimedia Interface are trademarks or registered
trademarks of HDMI Licensing LLC.
• MHL and the MHL logo are registered trademarks or service marks of MHL, LLC in the United
States and/or other countries.
• Blu-ray is a trademark of Blu-ray Disc Association.
• Trademark PJLink is a trademark applied for trademark rights in Japan, the United States of
America and other countries and areas.
• CRESTRON, CRESTRON CONTROL, and ROOMVIEW are registered trademarks of Crestron
Electronics, Inc. in the United States and other countries.
• Other products and company names mentioned in this user’s manual may be the trademarks or
registered trademarks of their respective holders.
NOTES
(1) The contents of this user’s manual may not be reprinted in part or whole without permission.
(2) The contents of this user’s manual are subject to change without notice.
(3) Great care has been taken in the preparation of this user’s manual; however, should you notice any
questionable points, errors or omissions, please contact us.
(4)
Notwithstanding article (3), NEC will not be responsible for any claims on loss of prot or other
matters deemed to result from using the Projector.
Dukane

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Important Information
Safety Cautions
Precautions
Please read this manual carefully before using your NEC projector and keep the manual handy for future
reference.
CAUTION
To turn off main power, be sure to remove the plug from power outlet.
The power outlet socket should be installed as near to the equipment as possible, and should be
easily accessible.
CAUTION
TO PREVENT SHOCK, DO NOT OPEN THE CABINET.
THERE ARE HIGH-VOLTAGE COMPONENTS INSIDE.
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.
This symbol warns the user that uninsulated voltage within the unit may be sufcient to cause
electrical shock. Therefore, it is dangerous to make any kind of contact with any part inside of
the unit.
This symbol alerts the user that important information concerning the operation and mainte-
nance of this unit has been provided.
The information should be read carefully to avoid problems.
WARNING: TO PREVENT FIRE OR SHOCK, DO NOT EXPOSE THIS UNIT TO RAIN OR MOISTURE.
DO NOT USE THIS UNIT’S PLUG WITH AN EXTENSION CORD OR IN AN OUTLET UNLESS ALL
THE PRONGS CAN BE FULLY INSERTED.
DOC Compliance Notice (for Canada only)
This Class B digital apparatus complies with Canadian ICES-003.
Machine Noise Information Regulation - 3. GPSGV,
The highest sound pressure level is less than 70 dB (A) in accordance with EN ISO 7779.
Disposing of your used product
EU-wide legislation as implemented in each Member State requires that used electrical and elec-
tronic products carrying the mark (left) must be disposed of separately from normal household
waste. This includes projectors and their electrical accessories or lamps. When you dispose of
such products, please follow the guidance of your local authority and/or ask the shop where you
purchased the product.
After collecting the used products, they are reused and recycled in a proper way. This effort will
help us reduce the wastes as well as the negative impact such as mercury contained in a lamp
to the human health and the environment at the minimum level. The mark on the electrical and
electronic products only applies to the current European Union Member States.
WARNING TO CALIFORNIA RESIDENTS:
Handling the cables supplied with this product will expose you to lead, a chemical known to the State of
California to cause birth defects or other reproductive harm. WASH HANDS AFTER HANDLING.
Please read this manual carefully before using your Dukane projector and keep the manual handy for future

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Important Information
RF Interference (for USA only)
WARNING
The Federal Communications Commission does not allow any modications or changes to the unit
EXCEPT those specied by NEC Display Solutions of America, Inc. in this manual. Failure to comply with
this government regulation could void your right to operate this equipment. This equipment has been test-
ed and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.
These limits are designed to provide reasonable protection against harmful interference in a residential
installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed
and used in accordance with the instructions, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a particular installation.
If this equipment does cause harmful interference to radio or television reception, which can be deter-
mined by turning the equipment off and on, the user is encouraged to try to correct the interference by one
or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio / TV technician for help.
For UK only: In UK, a BS approved power cord with moulded plug has a Black (ve Amps) fuse installed for
use with this equipment. If a power cord is not supplied with this equipment please contact your supplier.
Important Safeguards
These safety instructions are to ensure the long life of your projector and to prevent re and shock. Please
read them carefully and heed all warnings.
Installation
• Do not place the projector in the following conditions:
- on an unstable cart, stand, or table.
- near water, baths, or damp rooms.
- in direct sunlight, near heaters, or heat radiating appliances.
- in a dusty, smoky or steamy environment.
- on a sheet of paper, cloth, rugs, carpets, or any objects which are damaged or affected by heat.
• If you wish to have the projector installed on the ceiling:
- Do not attempt to install the projector yourself.
- The projector must be installed by qualied technicians in order to ensure proper operation and reduce
the risk of bodily injury.
- In addition, the ceiling must be strong enough to support the projector and the installation must be in
accordance with any local building codes.
- Please consult your dealer for more information.
WARNING
• Do not place any objects, which are easily affected by heat, in front of
the projector lens. Doing so could lead to the object melting from the
heat that is emitted from the light output.
This device is not intended for use in the direct eld of view at visual display workplaces. To avoid
incommoding reections at visual display workplaces this device must not be placed in the direct eld of
view.

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Important Information
Fire and Shock Precautions
• Ensure that there is sufcient ventilation and that vents are unobstructed to prevent the build-up of heat
inside your projector. Allow at least 4 inches (10cm) of space between your projector and a wall.
• Do not try to touch the exhaust vent as it can become heated while the projector is turned on and
immediately after the projector is turned off.
• Prevent foreign objects such as paper clips and bits of paper from falling into your projector. Do not at-
tempt to retrieve any objects that might fall into your projector. Do not insert any metal objects such as a
wire or screwdriver into your projector. If something should fall into your projector, disconnect it immedi-
ately and have the object removed by a qualied service personnel.
• Do not place any objects on top of the projector.
• Do not touch the power plug during a thunderstorm. Doing so can cause electrical shock or re.
• The projector is designed to operate on a power supply of 100-240V AC 50/60 Hz. Ensure that your power
supply ts this requirement before attempting to use your projector.
• Do not look into the lens while the projector is on. Serious damage to your eyes could result.
• Keep any items (magnifying glass etc.) out of the light path of the projector. The light path being projected
from the lamp is extensive, therefore any kind of abnormal objects that can redirect light coming out of the
lamp, can cause unpredictable outcome such as a re or injury to the eyes.
• Do not block the light path between the light source and the lamp with any objects. Doing so could cause
the object to catch on re.
• Do not place any objects, which are easily affected by heat, in front of the projector lamp or a projector
exhaust vent.
Doing so could lead to the object melting or getting your hands burned from the heat that is emitted from
the light output and exhaust.
• Do not use a spray containing ammable gas to get rid of accumulated dust and dirt on the aspherical mir-
ror or lens.
• Handle the power cord carefully. A damaged or frayed power cord can cause electric shock or re.
- Do not use any power cord other than the one supplied.
- Do not bend or tug the power cord excessively.
- Do not place the power cord under the projector, or any heavy object.
- Do not cover the power cord with other soft materials such as rugs.
- Do not heat the power cord.
- Do not handle the power plug with wet hands.
Place the projector in a horizontal position
The tilt angle of the projector should not exceed 5 degrees, nor should the projector be installed in any way
other than the desktop and ceiling mount, otherwise lamp life could decrease dramatically.

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Important Information
Remote Control Precautions
• Handle the remote control carefully.
• If the remote control gets wet, wipe it dry immediately.
• Avoid excessive heat and humidity.
• Do not short, heat, or take apart batteries.
• Do not throw batteries into re.
• If you will not be using the remote control for a long time, remove the batteries.
• Ensure that you have the batteries’ polarity (+/–) aligned correctly.
• Do not use new and old batteries together, or use different types of batteries together.
• Dispose of used batteries according to your local regulations.
Lamp Replacement
• Use the specied lamp for safety and performance.
• To replace the lamp, follow all instructions provided on pages 56-57.
• Be sure to replace the lamp when the message [LAMP LIFE IS ABOVE LIMIT TIME. LAMP OFF]
appears. If you continue to use the lamp after the lamp has reached the end of its usable life, the lamp
bulb may shatter, and pieces of glass may be scattered in the lamp case. Do not touch them as the pieces
of glass may cause injury.
If this happens, contact your dealer for lamp replacement.
A Lamp Characteristic
The projector has a discharge lamp for special purposes as a light source.
A lamp has a characteristic that its brightness gradually decreases with age. Also repeatedly turning the
lamp on and off will increase the possibility of its lower brightness.
CAUTION:
• DO NOT TOUCH THE LAMP immediately after it has been used. It will be extremely hot. Turn the
projector off and then disconnect the power cord. Allow at least one hour for the lamp to cool before
handling.
• When removing the lamp from a ceiling-mounted projector, make sure that no one is under the projec-
tor. Glass fragments could fall if the lamp has been burned out.
Note for US Residents
The lamp in this product contains mercury. Please dispose according to Local, State or Federal Laws.
• Turn off the projector, unplug the power cord and have the projector serviced by a qualied service per-
sonnel under the following conditions:
- When the power cord or plug is damaged or frayed.
- If liquid has been spilled into the projector, or if it has been exposed to rain or water.
- If the projector does not operate normally when you follow the instructions described in this user’s
manual.
- If the projector has been dropped or the cabinet has been damaged.
- If the projector exhibits a distinct change in performance, indicating a need for service.
• Disconnect the power cord and any other cables before carrying the projector.
• Turn off the projector and unplug the power cord before cleaning the cabinet or replacing the lamp.
• Turn off the projector and unplug the power cord if the projector is not to be used for an extended period
of time.
• When using a LAN cable:
For safety, do not connect to the connector for peripheral device wiring that might have excessive voltage.

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Important Information
About High Altitude mode
• Set [FAN MODE] to [HIGH ALTITUDE] when using the projector at altitudes approximately 2500
feet/760 meters or higher.
• Using the projector at altitudes approximately 2500 feet/760 meters or higher without setting to [HIGH
ALTITUDE] can cause the projector to overheat and the protector could shut down. If this happens, wait
a couple minutes and turn on the projector.
• Using the projector at altitudes less than approximately 2500 feet/760 meters and setting to [HIGH
ALTITUDE] can cause the lamp to overcool, causing the image to icker. Switch [FAN MODE] to
[AUTO].
• Using the projector at altitudes approximately 2500 feet/760 meters or higher can shorten the life of
optical com ponents such as the lamp.
About Copyright of original projected pictures:
Please note that using this projector for the purpose of commercial gain or the attraction of public attention
in a venue such as a coffee shop or hotel and employing compression or expansion of the screen image with
the following func tions may raise concern about the infringement of copyrights which are protected by
copyright law. [ASPECT RATIO], [KEYSTONE], Magnifying feature and other similar features.
[NOTE] Power management function
The projector has power management functions.
To reduce power consumption, the power management functions (1 and 2) are factory-preset in the
following way. To control the projector via a LAN or serial cable connection, use the on-screen menu to
change the settings for 1 and 2.
1. STANDBY MODE (Factory preset: NORMAL)
To control the projector from an external device, select [NETWORK STANDBY] for [STANDBY MODE].
When [NORMAL] is selected for [STANDBY MODE], the following connectors and functions will not
work:
- PC CONTROL connector, MONITOR OUT connector, AUDIO OUT connector, LAN functions, Mail
Alert function, DDC/CI (Virtual Remote Tool)
2. AUTO POWER OFF (Factory default: 60 minutes)
To control the projector from an external device, select [0] for [AUTO POWER OFF (MIN)].
-When [60] is selected for [AUTO POWER OFF], you can enable the projector to automatically turn off in
60 minutes if there is no signal received by any input or if no operation is performed.
Health precautions to users viewing 3D images
• Before viewing, be sure to read health care precautions that may be found in the user’s manual
included with your LCD shutter eyeglasses or your 3D compatible content such as DVDs, video games,
computer’s video les and the like.
To avoid any adverse symptoms, heed the following:
- Do not use LCD shutter eyeglasses for viewing any material other than 3D images.
- Allow a distance of 2 m/7 feet or greater between the screen and a user. Viewing 3D images from too
close a distance can strain your eyes.
- Avoid viewing 3D images for a prolonged period of time. Take a break of 15 minutes or longer after
every hour of viewing.
- If you or any member of your family has a history of light-sensitive seizures, consult a doctor before
viewing 3D images.
- While viewing 3D images, if you get sick such as nausea, dizziness, queasiness, headache, eyestrain,
blurry vision, convulsions, and numbness, stop viewing them. If symptoms still persist, consult a
doctor.

1... English
Table of Contents
Table of Contents ..................................1
Usage Notice..........................................2
Precautions ............................................. 2
Introduction ...........................................4
Product Features.................................... 4
Package Overview ................................. 5
Product Overview.................................. 6
Projector .......................................................6
Connection Ports.........................................7
Control Panel...............................................8
Attaching the Cable Cover ........................9
Remote Control.........................................10
Battery Installation ...................................13
Viewing 3D Images ..................................18
Installation............................................19
Connecting the Projector .................... 19
Connect to Computer/Notebook...........19
Connect to Video Sources........................20
Powering On/Off the Projector......... 21
Powering On the Projector ......................21
Powering Off the Projector......................22
Warning Indicator ....................................23
Adjusting the Projected Image........... 24
Adjusting the Height of Projector Image2 4
Adjusting the Projector’s Focus..............25
Adjusting Projection Image Size
(Diagonal) ..................................................26
User Controls.......................................27
On Screen Display ............................... 27
How to operate .........................................27
Menu Tree .................................................28
IMAGE | GENERAL................................31
IMAGE | ADVANCED ...........................33
SCREEN | GENERAL .............................35
SCREEN |3D SETTINGS.........................36
SETTING | GENERAL ............................37
SETTING | SIGNAL ................................39
SETTING | ADVANCED........................40
SETTING | ADVANCED |
SECURITY..................................................41
SETTING | ADVANCED |
NETWORK ................................................43
OPTIONS | GENERAL ...........................46
OPTIONS | LAMP/FILTER
SETTINGS..................................................47
OPTIONS | INFORMATION.................48
OPTIONS | ADVANCED.......................49
Appendices ..........................................50
Troubleshooting................................... 50
Installing and Cleaning the
Air Filter................................................ 55
Replacing the lamp ............................. 56
Cleaning procedure for the
cover glass............................................. 58
Specications........................................ 59
Compatibility Modes........................... 62
VGA Analog ..............................................62
HDMI Digital.............................................64
Ceiling Mount Installation ................. 67
Wall Mount Installation...................... 68
Cabinet Dimensions ............................ 69
Pin Assignments of D-Sub
COMPUTER Input Connector ........... 70
PC Control Codes and Cable
Connection............................................ 71
Troubleshooting Check List ............... 72
REGISTER YOUR PROJECTOR! ...... 74

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Usage Notice
Precautions
Follow all warnings, precautions and maintenance as
recommended in this user’s guide to maximize the life of your
unit.
■ Warning- This projector will detect the life of the lamp
itself. Please be sure to change the lamp when it
shows warning messages.
■ Warning- Reset the “CLEAR LAMP HOURS” function
from the on-screen display “OPTIONS |LAMP/
FILTER SETTINGS” menu after replacing the
lamp module (refer to page 47).
■ Warning- When switching the projector off, please ensure
the cooling cycle has been completed before
disconnecting power.
■ Warning- Turn on the projector rst and then the signal
sources.
■ Warning- When the lamp reaches the end of its life, it will
burn out and may make a loud popping sound.
If this happens, the projector will not turn back
on until the lamp module has been replaced. To
replace the lamp, follow the procedures listed
under “Replacing the Lamp”.
Turkish RoHS information relevant for Turkish market
EEE Yönetmeliğine Uygundur.
High gain type screens are not optimal for use with this
projector. The lower the screen gain (i.e., screen gain on the
order of 1), the better the appearance of the projected image.

3... English
Usage Notice
Do:
■Turn off the product before cleaning.
■Use a soft cloth moistened with mild detergent to clean the
display housing.
■Disconnect the power plug from AC outlet if the product is not
being used for a long period of time.
■If the lens is soiled, use a commercially available cleaning cloth
for lens.
Do not:
■Use abrasive cleaners, waxes or solvents to clean the unit.
■Use under the following conditions:
- Extremely heat, cold or humidity.
- In areas susceptible to excessive dust and dirt.
- In direct sunlight.
- Outdoors
- Move the projector by holding the cable cover.
- Hang from the projector in a ceiling or wall mounted
installation.
- Apply excessively strong pressure against the lens.
- Keep nger prints off the lens surface.
■Install and store in the following conditions:
- In powerful magnetic elds.
- In corrosive gas environment.

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Introduction
Product Features
■High resolution
Full HD (1920 x 1080) support.
■0.5 W in standby condition with energy saving technology
Selecting [NORMAL] for [STANDBY MODE] from the menu
can put the projector in power-saving mode that consumes
only 0.5 W (typical value).
■Two HDMI input ports provide digital signal
The two HDMI inputs provide HDCP compatible digital
signals. The HDMI input
■Quick Power Off, Direct Power Off
The projetor can be put away immediately after the projector
is powered on. No cool down period is required after the
projector is turned off from the remote control or cabinet
control panel.
The projector has a feature called “Direct Power Off”. This
feature allows the projector to be turned off (even when
projecting an image) by using the Main Power Switch or
disconnecting the AC power supply. To turn off the AC power
supply when the projector is powered on, use a power strip
equipped with a switch and a breaker.
■8 W speaker for an integrated audio solution
Powerful 8 watt stereo speakers provide volume need for
large rooms.
■3D features supported
The projector can support following format by DLP® Link.
- HDMI 3D
- HQFS 3D
■Integrated RJ-45 connector for wired networking capability
The customer can control the projector by own computer via
Wired LAN.
■Preventing unauthorized use of the projector
Enhanced smart security settings for keyword protection,
cabinet control panel lock, security slot, and security chain
opening to help prevent unauthorized access, adjustments and
theft deterrence.

5... English
Introduction
Power Cord x1
Remote Control
(P/N:7N901052)
Projector
Package Overview
This projector comes with all the items shown below. Check
to make sure your unit is completed. Contact your dealer
immediately if anything is missing.
Batteries (AAAx2)
Cable Cover
(P/N:79TCP141)
Attachment Plate
(P/N: 79TCP151)
Security Label
Computer Cable (VGA)
(P/N:7N520087)
US (P/N:79TC3011) EU (P/N:79TC3021)
Note: The Dukane models described in this document are manufactured
by NEC and use the same rmware, software programs, control code,
and accessory parts. The equivalent Dukane to NEC models are 6132HD
(NP-U321H) AND 6132HDM ( NP-321H-WK).

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Introduction
1. Control Panel
2. Focus Lever
3. Intake vent
4. Remote Control Sensor
5. Exhaust vent
Projector
Product Overview
6. Speaker
7. AC IN terminal
8. Input / Output Connections
9. Cover Glass
10. Tilt foot
6
7
8
4
2
5
3
1
10
9

7... English
Introduction
Connection Ports
1. SERVICE Port (for service purpose only)
2. MONITOR OUT Connector (Separate sync signal only)
3. PC CONTROL Connector
4. COMPUTER IN Connector
5. VIDEO IN Connector
6. HDMI 2 IN Connector
7. HDMI 1/MHL IN Connector
8. AUDIO IN R Connector
9. AUDIO IN L Connector
10. AUDIO IN Jack (3.5mm mini jack)
11. AUDIO OUT Jack (3.5mm mini Jack)
12. AC IN Terminal
13. KensingtonTM Lock Port
14. USB TYPE A Connector
15. LAN Connector (RJ-45)
521
12
4
15
76 10 113
1314
8 9

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Introduction
Control Panel
3
6
8
7
21 4
5
1POWER LED Indicate the projector’s status.
2ENTER Conrm your section of items in sub
menu operation.
3STATUS LED Indicate the projector’s temperature
status.
4LAMP LED Indicate the projector’s lamp status.
5MENU Press “MENU” to launch the On-
screen display (OSD), back to the top
level of OSD for the OSD main menu
operation
6 SOURCE Press “SOURCE” to select an input
signal.
7Four
Directional
Select Keys
Use or or or to select items or
make adjustments to your selection.
8POWER Turn the projector on/off. Refer to the
“Power On/Off the Projector” section
on pages 22-23.

9... English
Introduction
Attaching the Cable Cover
Procedure for Attaching the Cable Cover:
1. Mount the cable cover to the projector. 
2. Tighten two screws on both sides of the cable cover. 
Cable Cover
1
2
CAUTION:
• Be sure to tighten
the screws after
attaching the cable
cover. Failure to
do so may cause
the cable cover to
come off and fall,
resulting in injury
or damage to the
cable cover.
• Do not put bundled
cables in the cable
cover. Failure to
do so may damage
the power cord,
resulting a re.

10
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Introduction
Remote Control
1POWER ON Power on the projector. Refer
to the “Power On/Off the
Projector” section on pages 22-
23.
2POWER OFF Power off the projector.Refer
to the “Power On/Off the
Projector” section on pages 22-
23.
3
4
5
18
10
11
13
19
24
26
28
30
27
12
1 16
2
823
21
9
25
14
29
31
17
15
6
7
20
22

11 ... English
Introduction
3COMPUTER 1 Press “1” to choose Computer IN
connector.
4COMPUTER 2 No function.
5HDMI 1 Press “4” to choose HDMI 1/
MHL IN connector.
6 VIDEO Press “VIDEO” to choose VIDEO
IN connector.
7 USB A No function.
8ID SET No function.
9 AV-MUTE Momentarily turn off/on the
audio and video.
10 MENU Press “MENU” to launch the
Onscreen display (OSD), back to
the top level of OSD for the OSD
main menu operation
11 D-ZOOM Zoom in/out the projected
image.
12 KEYSTONE
Correction
Adjust the image to compensate
for distortion caused by tilting
the projector (vertical ±5
degrees).
13 ECO Dim the projector lamp which
will lower power consumption
and extend the lamp life. (refer
to page 47)
14 HELP This function ensures easy setup
and operation.
15 FOCUS/
ZOOM
No function.
16 SOURCE Press “SOURCE” to select the
desired input source.
17 AUTO ADJ. Automatically synchronize the
projector to the input source.

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Introduction
18 HDMI 2 Press “5” to choose HDMI 2 IN
connector.
19 DISPLAY
PORT
No function.
20 USB B No function.
21 Number Button No function.
22 LAN No function.
23 CLEAR Clear the password while you
input the password.
24 FREEZE Freeze To pause the screen
image. Press again to resume the
screen image.
25 EXIT Exit the settings.
26 ENTER Conrm your section of items in
sub menu operation.
27 Four
Directional
Select Buttons
Use , , or to select items
or make adjustments to your
selection. When the image is
magnied by using the D-ZOOM
+ button, the , , or but-
ton moves the image.
28 PAGE No function.
29 PICTURE
Mode
Select the Picture mode from
PRESENTATION, HIGH-
BRIGHT, VIDEO, MOVIE, sRGB,
BLACKBOARD, DICOM SIM.,
USER1, and USER2.
30 VOL. +/- Increase/decrease speaker
volume.
31 ASPECT Use this function to choose your
desired aspect ratio. (refer to
page 35)
When the
demagnied image
is displayed, the ,
, or button is
not available to move
the image.

13 ... English
Introduction
Battery Installation
Remote Control Precautions
• Handle the remote control carefully.
• If the remote control gets wet, wipe it dry immediately.
• Avoid excessive heat and humidity.
• Do not place the battery upside down.
• Replace only with the same or equivalent type recommended by
the manufacturer.
• Dispose of used batteries according to your local regulations.
1. Press rmly and slide the battery cover off.
2. Install new batteries (AAA).
Ensure that you have the
batteries’ polarity (+/–)
aligned correctly.
3. Slip the cover back over the
batteries until it snaps into
place. Do not mix different
types of batteries or new and
old batteries.
The infrared signal
operates by line-of-
sight up to a distance
of about 22 feet/7 m
and within a 60-degree
angle of the remote
sensor on the projector
cabinet.
The projector will
not respond if there
are objects between
the remote control
and the sensor, or if
strong light falls on the
sensor. Weak batteries
will also prevent the
remote control from
properly operating the
projector.