NEC LT180 Owner's manual

Category
Data projectors
Type
Owner's manual
Portable Projector
LT180
Users Manual
E-i
IMPORTANT INFORMATION
Safety Cautions
Precautions
Please read this manual carefully before using your NEC LT180 Projector and keep the manual handy for future
reference. Your serial number is located on the bottom of your projector. Record it here:
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.
NO USER-SERVICEABLE PARTS INSIDE.
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.
This symbol warns the user that uninsulated voltage within the unit may be sufficient 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 maintenance 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.
DO NOT OPEN THE CABINET. THERE ARE HIGH-VOLTAGE COMPONENTS INSIDE. ALL SERVICING
MUST BE DONE BY QUALIFIED SERVICE PERSONNEL.
DOC Compliance Notice
This Class B digital apparatus meets all requirements of the Canadian Interference-Causing Equipment Regu-
lations.
Acoustic Noise Information Ordinance-3. GSGV:
The sound pressure level is less than 70 dB (A) according to ISO 3744 or ISO 7779.
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.
CAUTION
Do not put the projector on its side when the lamp is turned on.
Doing so may cause damage to the projector.
IMPORTANT INFORMATION
Copyright
©
2005 by NEC Viewtechnology, Ltd.
E-ii
RF Interference
WARNING
The Federal Communications Commission does not allow any modifications or changes to the unit
EXCEPT those specified by NEC Solutions (America), Inc. in this manual. Failure to comply with this
government regulation could void your right to operate this equipment. This equipment has been
tested 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 in-
stallation. If this equipment does cause harmful interference to radio or television reception, which
can be determined 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.
In UK, a BS approved power cable with moulded plug has a Black (five Amps) fuse installed for use with this
equipment. If a power cable 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 fire and shock. Please read
them carefully and heed all warnings.
Installation
1. For best results, use your projector in a darkened room.
2. Place the projector on a flat, level surface in a dry area away from dust and moisture.
To avoid premature lamp failure, do not tilt the front of the projector up or down by more than 15˚ from level.
3. Do not place your projector in direct sunlight, near heaters or heat radiating appliances.
4. Exposure to direct sunlight, smoke or steam can harm internal components.
5. Handle your projector carefully. Dropping or jarring can damage internal components.
6. Do not place heavy objects on top of the projector.
7. If you wish to have the projector installed on the ceiling:
a. Do not attempt to install the projector yourself.
b. The projector must be installed by qualified technicians in order to ensure proper operation and reduce
the risk of bodily injury.
c. In addition, the ceiling must be strong enough to support the projector and the installation must be in
accordance with any local building codes.
d. Please consult your dealer for more information.
IMPORTANT INFORMATION
E-iii
Fire and Shock Precautions
1. Ensure that there is sufficient ventilation and that vents are unobstructed to prevent the build-up of heat
inside your projector. Allow at least 4 inches (10 cm) of space between your projector and a wall.
2. Prevent foreign objects such as paper clips and bits of paper from falling into your projector.
Do not attempt 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 qualified service personnel.
3. Do not place any liquids on top of your projector.
4. Do not look into the lens while the projector is on. Serious damage to your eyes could result.
5. Keep any items such as magnifying glass out of the light path of the projector. The light being projected from
the lens is extensive, therefore any kind of abnormal objects that can redirect light coming out of the lens,
can cause unpredictable outcome such as fire or injury to the eyes.
6. Do not cover the lens with the supplied lens cap or equivalent while the projector is on. Doing so can lead to
melting of the cap and possibly burning your hands due to the heat emitted from the light output.
7. Do not place any objects, which are easily affected by heat, in front of the projector lens 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.
8. The projector is designed to operate on a power supply of 100-240 V 50/60 Hz AC. Ensure that your power
supply fits this requirement before attempting to use your projector.
9. Handle the power cable carefully and avoid excessive bending.
A damaged cord can cause electric shock or fire.
10. If the projector is not to be used for an extended period of time, disconnect the plug from the power outlet.
11. Do not touch the power plug during a thunderstorm. Doing so can cause electrical shock or fire.
12. Do not handle the power plug with wet hands.
CAUTION
1. Do not try to touch the ventilation outlet on the right and rear side (when seen from the front) as it can
become heated while the projector is turned on.
2. Do not use the tilt-foot for purposes other than originally intended. Misuses such as gripping the tilt-foot or
hanging on the wall can cause damage to the projector.
Before putting the projector in the soft case, be sure to retract the feet. Failure to do so may cause damage
to the projector.
3. When carrying the projector, heed the following:
Ensure that the power cable and any other cables are disconnected before moving the projector.
Cover the lens with the supplied lens cap so as not to scratch the lens surface.
4. Do not send the projector in the soft case by parcel delivery service or cargo shipment. The projector inside
the soft case could be damaged.
5. Select High in the Fan mode if you continue to use the projector for consecutive days. (From the menu,
select [Advanced] [Fan Mode] [High].)
6. Do not unplug the power cable from the wall outlet under any one of the following circumstances.
Doing so can cause damage to the projector:
* While the projector is turned on.
* While the cooling fans are running. (The cooling fans continue to work for 60 seconds after the projector
is turned off).
7. If you accidentally turn off the main power by disconnecting the power cable or press the main power switch
during cooling down, wait 10 minutes and then turn on the projector to resume. This is to protect the lamp.
IMPORTANT INFORMATION
E-iv
Lamp Replacement
To replace the lamp, follow all instructions provided on page E-44.
Be sure to replace the lamp when the message "The lamp has reached the end of its usable life. Please
replace the lamp." 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.
Allow a minimum of 60 seconds to elapse after turning off the projector. Then turn off the main power switch,
disconnect the power cable and allow 60 minutes to cool the projector before replacing the lamp.
What’s in the Box?
Make sure your box contains everything listed. If any pieces are missing, contact your dealer.
Please save the original box and packing materials if you ever need to ship your Projector.
IMPORTANT INFORMATION
Lens cap
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Cr/Pr
Cb/Pb
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AUD
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LAMP
STATUS
POWER
ON/STAND BY
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AC
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Projector
Remote control (7N900601) Batteries (AAA 2)
Power cable
(US: 7N080213)
(EU: 7N080007)
RGB/VGA signal cable
(7N520032)
1
2
Quick
Setup
Guide
Important
Information
For North America only
Registration card
Limited warranty
For Europe only
Guarantee policy
Band (use for bundling cables)
(24B17871)
Soft case
(24BS7471)
Shoulder belt
Quick Setup Guide
Important Information
CD-ROM
Users manual
E-v
TABLE OF CONTENTS
IMPORTANT INFORMATION ................................................................................................... E-i
Safety Cautions .......................................................................................................................................................................................... E-i
What’s in the Box? .................................................................................................................................................................................... E-iv
1. INTRODUCTION ............................................................................................................. E-1
Introduction to the Projector ..................................................................................................................................................................... E-1
Part Names of the Projector ...................................................................................................................................................................... E-3
Top Features .................................................................................................................................................................................... E-4
Terminal Panel Features .................................................................................................................................................................. E-5
Part Names of the Remote Control ........................................................................................................................................................... E-6
2. INSTALLATION AND CONNECTIONS ..................................................................................... E-10
Setting Up the Screen and the Projector ................................................................................................................................................. E-11
Selecting a Location ...................................................................................................................................................................... E-11
Throw Distance and Screen Size ................................................................................................................................................... E-12
Making Connections ............................................................................................................................................................................... E-14
Connecting Your PC or Macintosh Computer ................................................................................................................................ E-14
To connect SCART output (RGB) ................................................................................................................................................... E-15
Connecting an External Monitor .................................................................................................................................................... E-16
Connecting Your DVD Player ......................................................................................................................................................... E-17
Connecting Your VCR or Laser Disc Player ................................................................................................................................... E-18
Connecting the Supplied Power Cable ........................................................................................................................................... E-19
3. PROJECTING AN IMAGE (BASIC OPERATION) .......................................................................... E-20
Turning on the Projector ......................................................................................................................................................................... E-20
Selecting a Source .................................................................................................................................................................................. E-22
Adjusting the Picture Size and Position .................................................................................................................................................. E-22
Correcting the Vertical Keystone Distortion ............................................................................................................................................ E-25
Optimizing an RGB Image Automatically ................................................................................................................................................. E-26
Turning Up or Down Volume ................................................................................................................................................................... E-26
Turning off the Projector ......................................................................................................................................................................... E-27
After Use ................................................................................................................................................................................................. E-28
4. CONVENIENT FEATURES ................................................................................................. E-29
Turning Off the Image and Sound ........................................................................................................................................................... E-29
Freezing a Picture ................................................................................................................................................................................... E-29
Reducing Video Noise (Noise Reduction) ............................................................................................................................................... E-29
Getting the Information on Lamp Usage and Projector Usage ................................................................................................................ E-30
5. USING ON-SCREEN MENU ................................................................................................ E-31
Using the Menus ..................................................................................................................................................................................... E-31
List of Menu Items .................................................................................................................................................................................. E-33
Menu Descriptions & Functions .............................................................................................................................................................. E-34
Picture ........................................................................................................................................................................................... E-34
Adjustment .................................................................................................................................................................................... E-34
Image ............................................................................................................................................................................................ E-35
Setup ............................................................................................................................................................................................. E-37
Advanced ....................................................................................................................................................................................... E-38
Information ................................................................................................................................................................................... E-42
Reset ............................................................................................................................................................................................. E-43
6. MAINTENANCE ............................................................................................................ E-44
Replacing the Lamp ................................................................................................................................................................................ E-44
Cleaning the Cabinet and the Lens .......................................................................................................................................................... E-47
7. TROUBLESHOOTING ....................................................................................................... E-48
8. SPECIFICATIONS .......................................................................................................... E-52
TABLE OF CONTENTS
E-vi
TABLE OF CONTENTS
9. APPENDIX ................................................................................................................. E-54
Cabinet Dimensions ................................................................................................................................................................................ E-54
Pin Assignments of COMPUTER IN (D-Sub RGB) Connector ................................................................................................................. E-55
PC Control Codes and Cable Connection ................................................................................................................................................ E-56
Compatible Input Signal List ................................................................................................................................................................... E-57
Troubleshooting Check List ..................................................................................................................................................................... E-58
TravelCare Guide ..................................................................................................................................................................................... E-60
E-1
1. INTRODUCTION
1. INTRODUCTION
Introduction to the Projector
This section introduces you to your new NEC LT180 Projector and describes its features and controls.
Congratulations on Your Purchase of The LT180 Projector
The LT180 is one of the very best projectors available today. The LT180 enables you to project precise images
up to 200 inches (measured diagonally) from your PC or Macintosh computer (desktop or notebook), VCR, DVD
player, document camera, or a laser disc player.
You can use the projector on a tabletop or cart, you can use the projector to project images from behind the
screen, and the projector can be permanently mounted on a ceiling*
1
. The remote control can be used wirelessly.
Features you’ll enjoy on the LT180 projector:
4:3 native screen display
Exceptionally quiet as low as 34dB fan noise in Eco-Mode
High resolution images 1024768 display
HDTV (1080i, 720p) and SDTV (576p, 480p) compatibility
Adjustable rear foot for enhanced projector placement and alignment to the screen
Eco-Mode technology increases lamp life by up to 50% and reduces noise level to <34dB
3 video inputs 1 component, 1 S-Video and 1 video for multiple video source connectivity
1 monitor out 1 RGB and 1 stereo mini jack for audio connectivity
Integrated deinterlace video processing technology
Display popular wide screen and full screen aspect ratios 16:9 and 4:3
Built in speaker for an integrated audio solution
Easy set up and operation
High performance long life lamp for low total operating costs
Wireless remote control operation
Multiple video mode selections depending on your source
Control the unit with a PC using the PC Control port
NEC s exclusive intelligent scaling and pixel blending technology provides for extremely accurate image
compression up to HDTV (19201080) and SXGA+ (14001050) display resolution*
2
Supports most IBM VGA, SVGA, XGA, Macintosh, component signal (YCbCr/YPbPr) or other RGB signals
within a horizontal frequency range of 24 to 100 kHz and a vertical frequency range of 50 to 85 Hz. This
includes NTSC, NTSC4.43, PAL, PAL-M, PAL-N, PAL60 and SECAM standard video signals
NOTE: Composite video standards are as follows:
NTSC: U.S. TV standard for video in U.S. and Canada.
PAL: TV standard used in Western Europe.
PAL-N: TV standard used in Argentine, Paraguay and Uruguay.
PAL-M: TV standard used in Brazil.
PAL60: TV standard used for NTSC playback on PAL TVs.
SECAM: TV standard used in France and Eastern Europe.
NTSC4.43: TV standard used in Middle East countries.
*
1
Do not attempt to mount the projector on a ceiling yourself.
The projector must be installed by qualified 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.
*
2
HDTV 1080i (19201080), HDTV 720p (1280720) and SXGA+ (14001050) are displayed with NECs
intelligent scaling technology.
E-2
1. INTRODUCTION
About this user's manual
The fastest way to get started is to take your time and do everything right the first time. Take a few minutes now
to review the user's manual. This may save you time later on. At the beginning of each section of the manual
you'll find an overview. If the section doesn't apply, you can skip it.
Digital Light Processing and DLP are trademarks of Texas Instruments.
IBM is a trademark or registered trademark of International Business Machines Corporation.
Mac and PowerBook are trademarks of Apple Computer, Inc., registered in the U.S. and other countries.
Other product and company names mentioned in this users manual may be the trademarks or registered
trademarks of their respective holders.
E-3
Part Names of the Projector
1. INTRODUCTION
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SOURCE
* This security slot supports the MicroSaver® Security System. MicroSaver® is a registered trademark of
Kensington Microware Inc. The logo is trademarked and owned by Kensington Microware Inc.
Remote Sensor (See page E-9)
Controls (See page E-4)
Speaker
Ventilation (outlet)
Terminal Panel
(See page E-5)
AC Input
Connect the supplied power
cable's two-pin plug here, and
plug the other end into an ac-
tive wall outlet. (See page E-19)
Main Power Switch
When you plug the supplied power cable into an active wall outlet
and turn on the Main Power, the POWER indicator turns orange and
the projector is in standby mode. (See page E-20)
Ventilation (inlet)
Adjustable Tilt Foot
(See page E-24)
Adjustable Tilt
Foot Lever
(See page E-24)
Lens Cap
Lens
Focus ring
(See page E-25)
Zoom lever
(See page E-24)
Lamp Cover
(See page E-45)
Lamp Cover Screw
(See page E-45)
Ventilation (inlet)
Built-in Security Slot ( ) *
Adjustable Rear Foot
(See page E-23)
E-4
Top Features
LAMP
STATUS
POWER
SOURCE
AUTO
ADJ.
ON/STAND BY
SELECT
3
2
4
5
8
7
16
9
10
1. INTRODUCTION
1. ON/STAND BY button ( )
Use this button to turn the power on and off when the main power is supplied and the projector is in standby
mode.
To turn on the projector, press and hold this button for a minimum of two seconds. To turn off the projector,
press this button twice.
2. POWER indicator (LED)
When this indicator is green, the projector is on; when this indicator is orange, it is in standby mode. See the
power Indicator section on page E-48 for more details.
3. STATUS indicator (LED)
If this light blinks red rapidly, it indicates that an error has occurred, the lamp cover is not attached properly or
the projector has overheated. If this light remains orange, it indicates that you have pressed a cabinet key
while the Cabinet Button is locked. See the Status Indicator section on page E-48 for more details.
4. LAMP indicator (LED)
If this light blinks red rapidly, it’s warning you that the lamp has reached the end of its usable life. After this light
appears, replace the lamp as soon as possible (See page E-44). See the Lamp Indicator section on page E-
48 for more details.
5. SOURCE button
This button will allow you to select a video source such as a PC, VCR or DVD player.
Press and quickly release this button to display the Source list. Each time this button is pressed, each source
name will be highlighted in sequence. Highlighting a source name for 2 seconds without pressing the ENTER
button will display the selected source.
6. AUTO ADJ. button
Use this button to adjust an RGB source for an optimal picture (See page E-26).
7. MENU button
Displays the menu.
8. SELECT 왖왔왗왘 / volume +/- buttons
왖왔 : Use these buttons to select the menu of the item you wish to adjust.
왗왘 : Use these buttons to change the level of a selected menu item. When no menus appear, these buttons
work as a volume control.
9. ENTER button
Executes your menu selection and activates items selected from the menu.
10. EXIT button
Pressing this button will return to the previous menu.
While you are in the main menu, pressing this button will close the menu.
E-5
Terminal Panel Features
1. COMPUTER IN / Component Input Connector (Mini D-Sub 15 Pin)
Connect your computer or other analog RGB equipment such as IBM compatible or Macintosh computers.
Use the supplied RGB/VGA cable to connect to your computer. This also serves as a component input con-
nector that allows you to connect a component video output of component equipment such as a DVD player
(optional adapter ADP-CV1 required).
2. AUDIO IN mini jack (Stereo Mini)
This is where you connect the audio output from your computer or DVD player when connected to the COM-
PUTER IN or COMPONENT IN.
3. MONITOR OUT Connector (Mini D-Sub 15 Pin)
You can use this connector to loop your computer image to an external monitor from the RGB input source.
This connector outputs RGB signal in standby mode.
4. AUDIO OUT Mini Jack (Stereo Mini)
You can use this jack to output sound from the currently selected source (COMPUTER, COMPONENT, VIDEO
or S-VIDEO). Output sound level can be adjusted in accordance with the sound level of the internal speaker.
Note that this cannot be used as a headphone jack. (When audio equipment is connected, the projector
speaker is disabled.)
When a cable mini-plug is inserted into this jack, both the right and left audio signals are not mixed, but
separate.
For example, when a cable mini-plug is inserted into the left AUDIO IN jack only, only left sound is output.
5. COMPONENT IN (Y, Cb/Pb, Cr/Pr) connectors (RCA)
Connect component video outputs (Y/Cb/Cr, Y/Pb/Pr) here from external equipment such as a DVD player.
6. S-VIDEO IN connector (Mini DIN 4 Pin)
Here is where you connect the S-Video output from an external source like a VCR.
NOTE: S-Video provides more vivid color and higher resolution than the traditional composite video format.
7. VIDEO IN connector (RCA)
Connect a VCR, DVD player, laser disc player, or document camera here to project video.
8. AUDIO IN jacks L & R (RCA)
These are your left and right channel audio inputs for stereo sound from a Video or S-Video source.
9. PC CONTROL Port (Mini DIN 8 Pin)
Use this port to connect a PC or control system. This enables you to control the projector using serial commu-
nication protocol. If you are writing your own program, typical PC control codes are on page E-56.
1. INTRODUCTION
PC CONTROL
COMPONENT IN
COMPUTER INMONITOR OUT
VIDEO INAUDIO IN
AUDIO OUT
S-VIDEO IN
R
L
Cr/Pr
Cb/Pb
Y
AUDIO IN
9 6 85413
2 7
E-6
VOLUME
S-VIDEO
VIDEO
L-CLICK
ENTER
EXIT
MENU
UP
KEYSTONE PAGE
OFF
POWER
ON
PIC-MUTE
DOWN
MOUSE
R-CLICK
AUTO ADJ.
NOISE RED.
COMPUTER
COMPONENT
ASPECT HELP
FREEZEPICTURE
1
3
4
7
6
9
2
8
10
11
13
14
16
12
15
22
23
17
18
20
5
19
21
1. INTRODUCTION
1. Infrared Transmitter
Direct the remote control toward the remote sensor on the projector cabinet.
2. POWER ON Button
When the main power is on, you can use this button to turn your projector on.
NOTE: To turn on the projector, press and hold the POWER ON button for a minimum of two seconds.
3. POWER OFF Button
You can use this button to turn your projector off.
NOTE: To turn off the projector, press the POWER OFF button twice.
4. KEYSTONE (+) () Button
Press this button to correct the keystone (trapezoidal) distortion, and make the image square. See page E-25.
5. PIC-MUTE Button
This button turns off the image and sound for a short period of time. Press again to restore the image and
sound.
6. PAGE UP/DOWN Button
Not available on this model.
Part Names of the Remote Control
E-7
1. INTRODUCTION
7. MENU Button
Displays the menu for various settings and adjustments.
8. SELECT 왖왔왗왘 Button
왖왔 : Use these buttons to select the menu of the item you wish to adjust.
왗왘 : Use these buttons to change the level of a selected menu item.
9. ENTER Button
Use this button to enter your menu selection. It works the same as the ENTER button on the cabinet. See
page E-4.
10. EXIT Button
It works the same as the EXIT button on the cabinet. See page E-4.
11. MOUSE L-CLICK Button
Not available on this model.
12. MOUSE R-CLICK Button
Not available on this model.
13. VIDEO Button
Press this button to select a video source connected to the VIDEO input.
14. S-VIDEO Button
Press this button to select an S-Video source connected to the S-VIDEO input.
15. COMPUTER Button
Press this button to select a video source from computer or component equipment connected to your COM-
PUTER IN port.
16. COMPONENT Button
Press this button to select a video source from component equipment connected to the COMPONENT input.
17. AUTO ADJ. Button
Use this button to adjust an RGB source for an optimal picture. See page E-26.
18. NOISE RED. Button
This button will turn on the noise reduction feature to reduce video noise.
19. VOLUME (+) () Button
Press (+) to increase the volume and () to decrease it.
20. ASPECT Button
Press this button once to display the Aspect Ratio select menu. Continue pressing to change aspect ratios.
See page E-36.
21. PICTURE Button
Press this button to display the Picture menu. Each time this button is pressed, the option will be changed.
See page E-34.
22. HELP Button
Provides the information about the status of the projector.
23. FREEZE Button
This button will freeze a picture. Press again to resume motion.
E-8
Battery Installation
1
Press firmly and slide the battery cover off.
2
Remove both old batteries and install new ones
(AAA). Ensure that you have the batteries' polarity
(+/) aligned correctly.
3
Remote Control Precautions
Handle the remote control carefully.
If the remote control gets wet, wipe it dry immediately.
Avoid excessive heat and humidity.
If you will not be using the remote control for a long time, remove the batteries.
Do not place the batteries upside down.
Do not use new and old batteries together, or use different types of batteries together.
Dispose of used batteries according to your local regulations.
Slip the cover back over the batteries until it snaps
into place. Do not mix different types of batteries or
new and old batteries.
1. INTRODUCTION
E-9
1. INTRODUCTION
30º
30º
Remote sensor on projector cabinet
Remote control
7m/22 feet
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.
Operating Range for Wireless Remote Control
E-10
S
E
L
E
C
T
L
A
M
P
S
T
A
T
U
S
P
O
W
E
R
O
N
/
S
T
A
N
D
B
Y
A
U
T
O
A
D
J
.
S
O
U
R
C
E
2. INSTALLATION AND CONNECTIONS
Your projector is simple to set up and use. But before you get started, you must first:
1
Set up a screen and the projector.
2
Connect your video equipment or computer to the projector. See page E-14 to E-18.
3
Connect the supplied power cable. See page E-19.
NOTE: Ensure that the power cable and any other cables are disconnected before moving the projector. When moving the
projector or when it is not in use, cover the lens with the lens cap.
2. INSTALLATION AND CONNECTIONS
This section describes how to set up your projector and how to connect PCs, video and audio sources.
E-11
Setting Up the Screen and the Projector
Selecting a Location
The further your projector is from the screen or wall, the larger the image. The minimum size the image can be
is approximately 30" (0.76 m) measured diagonally when the projector is roughly 0.9 m/35 inches from the wall
or screen. The largest the image can be is 200" (5.0 m) when the projector is roughly 6.1 m/241 inches from the
wall or screen. Use the drawing below as a guide.
2. INSTALLATION AND CONNECTIONS
406.4(W
)X304.8(H
)/160(W
)X
120(H
)
365.8(W
)X274.3(H
)/144(W
)X108(H
)
304.8(W
)X
228.6(H
)/120(W
)X
90(H
)
243.8(W
)X182.9(H
)/96(W
)X72(H
)
203.2(W
)X
152.4(H
)/80(W
)X60(H
)
162.6(W
)X121.9(H
)/64(W
)X
48(H
)
121.9(W
)X
91.4(H
)/48(W
)X
36(H
)
81.3(W
)X61.0(H
)/32(W
)X
24(H
)
101.6(W
)X
76.2(H
)/40(W
)X
30(H
)
61.0(W
)X
45.7(H
)/24(W
)X
18(H
)
Lens center
Screen Size
1.2/46.7"
1.5/58.9"
1.8/71.0"
2.4/95.4"
3.0/119.7"
3.7/144.0"
4.6/180.5"
5.5/217.0"
0.9/34.5"
200"
180"
150"
120"
100"
80"
60"
40"
50"
30"
Screen size (Unit: cm/inch)
6.1/241.3"
Distance (Unit: m/inch)
NOTE: The distances are indicated by intermediate values between tele and wide. Use as a rule of thumb.
E-12
B = Vertical distance between lens center and screen center
C = Throw distance
D = Vertical distance between lens center and bottom of screen for desktop (top of screen for ceiling)
α = Throw angle
NOTE: Distances may vary +/-5%.
Throw Distance and Screen Size
The following shows the proper relative positions of the projector and screen. Refer to the table to determine the
position of installation.
Distance Chart
(
B
)
(
D
)
Screen Bottom
Screen Height
Screen Width
Screen Diagonal
Screen center
Throw Distance (C)
Throw Angle (
α
)
Lens Center
2. INSTALLATION AND CONNECTIONS
αScreen Size (4:3) B C
Diagonal Width Height
wide tele wide tele wide tele
mm
762.0
1016.0
1270.0
1524.0
1701.8
1828.8
2133.6
2286.0
2540.0
3048.0
3810.0
4572.0
5080.0
inch
18.0
24.0
30.0
36.0
40.2
43.2
50.4
54.0
60.0
72.0
90.0
108.0
120.0
mm
457.2
609.6
762.0
914.4
1021.1
1097.3
1280.2
1371.6
1524.0
1828.8
2286.0
2743.2
3048.0
inch
7.1
9.5
11.9
14.3
15.9
17.1
20.0
21.4
23.8
28.5
35.7
42.8
47.6
mm
181.4
241.8
302.2
362.6
404.9
435.1
507.6
543.8
604.2
725.0
906.2
1087.4
1208.2
inch
7.2
9.6
11.9
14.3
16.0
17.2
20.1
21.5
23.9
28.7
35.8
43.0
47.8
mm
182.1
242.8
303.5
364.2
406.7
437.1
509.9
546.3
607.0
728.4
910.5
1092.6
1214.0
inch
31.4
42.5
53.6
64.8
72.5
78.1
91.5
98.1
109.2
131.5
164.8
198.2
220.4
mm
797.7
1080.1
1362.6
1645.0
1842.7
1984.0
2322.9
2492.4
2774.8
3339.7
4187.1
5034.4
5599.3
inch
37.7
50.9
64.1
77.3
86.5
93.1
109.0
116.9
130.1
156.5
196.1
235.8
262.2
mm
957.2
1292.6
1628.0
1963.4
2198.2
2365.9
2768.3
2969.6
3305.0
3975.8
4982.0
5988.2
6658.9
degree
12.8
12.6
12.5
12.4
12.4
12.4
12.3
12.3
12.3
12.3
12.2
12.2
12.2
degree
10.8
10.6
10.6
10.5
10.5
10.5
10.4
10.4
10.4
10.4
10.4
10.3
10.3
D
wide tele
inch
30
40
50
60
67
72
84
90
100
120
150
180
200
mm
609.6
812.8
1016.0
1219.2
1361.4
1463.0
1706.9
1828.8
2032.0
2438.4
3048.0
3657.6
4064.0
inch
24.0
32.0
40.0
48.0
53.6
57.6
67.2
72.0
80.0
96.0
120.0
144.0
160.0
inch
-1.8
-2.4
-3.0
-3.6
-4.0
-4.3
-5.0
-5.3
-5.9
-7.1
-8.9
-10.7
-11.9
mm
-45.2
-60.2
-75.3
-90.3
-100.9
-108.4
-126.4
-135.5
-150.5
-180.6
-225.7
-270.9
-301.0
inch
-1.8
-2.4
-3.0
-3.6
-4.0
-4.3
-5.0
-5.4
-6.0
-7.2
-8.9
-10.7
-11.9
mm
-45.5
-60.2
-75.8
-90.9
-101.5
-109.1
-127.3
-136.4
-151.5
-181.8
-227.3
-272.7
-303.0
E-13
2. INSTALLATION AND CONNECTIONS
WARNING
* Installing your projector on the ceiling must be done by a qualified technician. Contact your NEC
dealer for more information.
* Do not attempt to install the projector yourself.
Only use your projector on a solid, level surface. If the projector falls to the ground, you can be injured and the
projector severely damaged.
Do not use the projector where temperatures vary greatly. The projector must be used at temperatures be-
tween 41˚F (5˚C) and 95˚F (35˚C).
Do not expose the projector to moisture, dust, or smoke. This will harm the screen image.
Ensure that you have adequate ventilation around your projector so heat can dissipate. Do not cover the
vents on the side or the front of the projector.
Rear Projection Applications
The projector has the ability to be used in a rear projection application. When used with a third party mirror and
frame system, rear projection allows you to achieve a larger image size in less distance than a traditional front
projection installation. If space constraints exist, please contact your authorized NEC reseller regarding a rear
projection solution. Refer to page E-38 on how to change the projector orientation for use in a rear projection
application.
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NEC LT180 Owner's manual

Category
Data projectors
Type
Owner's manual

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