NEC Lt280 Portable Projector Users Manual

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1. Introduction

 Whats 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.
PC CARDLAMPSTATUSPOWERSOURCEAUT
O ADJU
ST3D RE
FORMO
N/STAND BY
SELECT
OFF
VID
EO
S-VIDEOVIEW
ER
LAN COM
PUTE
RCOMPONENTO
NPOWERPOWER
LASER
3D REFORM
AUTO ADJ.ASPECT
HELP PICTUREPIC-MUTE
LAMP MODER-CLICK
L-CLICK
MOUSE
FREEZE
VOLUME
MAGNIFYPAGE
SELECT3 12
UPDOWN
Projector
Lens cap
(24F41091)Soft case
(24BS7561)
Remote control
(7N900691)Batteries (AA x 2) Remote mouse receiver
(7N900721)
Power cable
(7N080220) US
(7N080007) EUVGA signal cable
(7N520054)
CD-ROM
User’s manual and User Supportware 3
For North America only
Registration card
Limited warranty
For Europe only
Guarantee policy•Security sticker
•PC card lock (24F41391)
Screw x 1 (24V00281) 
						

							2
1. Introduction
 Introduction to the Projector
This section introduces you to the LT380/LT280 projector and describes key features and controls.
Congratulations on Your Purchase of the Projector
The LT380/LT280 is a sophisticated XGA projector that produces an enhanced display. With the LT380/LT280 you will
be able to project images up to 300” (measured diagonally). Enjoy crisp and sharp large screen display from your PC,
workstation or Macintosh computer, DVD player, VCR, satellite hookup, HDTV source, ) and images from your digital
camera PC Card, compact flash memory or USB storage device. The LT380/LT280 provides for enhanced security
options to help deter projector theft and provides for full projector control through the PC control port (mini D-Sub 9
Pin) and LAN support. With input and output flexibility, long lamp life and a full function remote, the LT380/LT280 lets
you enjoy larger than life viewing from a compact and easy to setup and use projector.
Features you’ll enjoy :
•Quick start & quick cool down
15 seconds after turning on the power, the projector is ready to display PC or video images.
Powering down; The fans stop 30 seconds after turning off the power from the remote control or cabinet control
panel. The projector can be put away immediately after the projector is powered down.
•Automatic vertical keystone correction for fast and easy application setup.
•3D Reform™ enhanced image technology for increased projector placement versatility that provides for horizon-
tal, vertical and diagonal keystone correction.
•Built-in Wall Color Correction presets provide for adaptive color correction when projecting onto non-white screen
material (or a wall).
•USB memory or PC card interfaces provide for computer-free presentations.
•Enhanced smart security settings for password protection, cabinet control panel lock, menu lock and PC card
protection key to help prevent unauthorized access, adjustments and theft deterrence.
•High resolution display -  up to UXGA compatible, XGA native resolution.
•Variable audio out control of external amplified speakers via the projector remote.
•Extensive user adjustable picture and color management settings.
•Display 16:9 or 4:3 aspect ratio sources and fill the screen.
•HDTV (1080i, 720p) and SDTV (480p/576p, 480i/576i) compatibility.
•Digital photo viewer to display larger than life images from your digital cameras PC card, compact flash card or
USB storage device.
•Integrated RJ-45 connector for wired networking capability.
•Wireless networking capable.
Present from anywhere in the room when  using as a wireless LAN projector, no physical signal cable connection
to a PC is required.
* The NEC optional wireless LAN card is required (NWL-100* See page 86).
•Supplied User Supportware 3 CD-ROM containing five software utilities allowing you to make the most of your
NEC projector.
•The supplied wireless remote control and remote mouse receiver allows you to operate your PC mouse from
across the room. The remote mouse receiver supports  most PCs with  USB interface.
•Easy set up, use and operation.
•Eco-mode lamp technology for increased lamp life, reduced energy consumption and overall total cost of owner-
ship savings.
•Built-in laser pointer on the supplied remote control allows you to draw your audiences attention in a presentation. 
						

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•Free downloadable Software Geometric Correction Tool 3.0.
Corrects the geometry of an image projected onto a cylindrical, spherical or corner screen via serial connection.
For additional information visit:
US : http://www.necvisualsystems.com
Europe : http://www.neceurope.com/
Global : http://www.nec-pj.com/
About this users 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 users manual. This may save you time later on. At the beginning of each section of the manual youll find an
overview. If the section doesnt apply, you can skip it.
1. Introduction 
						

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1. Introduction
 Part Names of the Projector
PC CARDLAMPSTATUSPOWERS
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SELECT
Controls
(→ page 6)
Built-in Security Slot (  )* Ventilation (inlet)
Lens
Lens Cap Adjustable Tilt  Foot
(→ page 27) Remote Sensor
(
→ page 9)
Focus Ring
(→ page 28)Zoom Lever
(
→ page 28)
Adjustable Tilt Foot Lever
(
→ page 27)
*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.
Carrying the Projector
Always carry your projector by the handle.
Ensure that the power cable and any other cables connecting to video sources are disconnected before moving the
projector.
When moving the projector or when it is not in use, cover the lens with the lens cap.
Ventilation (inlet)
Adjustable Tilt Foot
(→ page 27) Carrying Handle
Front/Top
Filter
NOTE: To stand the projector on its end, do so by holding the cabinet, not by holding the carrying handle.
Doing so can cause damage to the carrying handle. 
						

							5
1. Introduction
PC CARDCO
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2 IN
PC CONTROLM
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PC CARDLAMPSTATUSPOWERON/STAND BYSO
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Monaural Speaker (1W)
AC Input
Connect the supplied power cables two-pin plug here, and
plug the other end into an active wall outlet.
(
→ page 23) Main Power Switch
When you plug the supplied power cable into an active
wall outlet and turn on the Main Power switch, the
POWER indicator turns orange and the projector is in
standby mode.
(
→ page 24)Remote Sensor
(
→ page 9) PC Card Slot PC Card Eject Button
Lamp cover
(
→ page 104)
Ventilation (outlet)
Heated air is exhausted from
here.
Rear
Bottom
Terminal Panel
(→ page 7)
Adjustable Tilt  Foot
(→ page 27)Adjustable Tilt Foot Lever
(→ page 27) Adjustable Tilt Foot Lever
(
→ page 27)
Threaded screw hole for
PC card lock 
						

							6
1. Introduction
Top Features
PC CARDLAMPSTATUSPOWERON/STAND BY
SOURCE AUTO ADJUST
3D REFORM
SELECT
12
145
2 3678
11 10
9
1. POWER Button (ON / STAND BY) (→ page 24, 33)
NOTE: 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 (  ) (→ page 24, 33, 107)
3. STATUS Indicator (→ page 107)
4. LAMP Indicator (→ page 104, 107)
5. PC CARD Access Indicator (→ page 22)
6. SOURCE Button7. AUTO ADJUST Button (→ page 31)
8. 3D REFORM Button (→ page 29, 38)
9. MENU Button
10. SELECT 
 (+) (–) / Volume Buttons
11.ENTER Button
12. EXIT Button 
						

							7
1. Introduction
Terminal Panel Features
PC CARDCOMPONENT IN
USB LAN
AUDIO INCOMPUTER 3 IN
COMPUTER 1 IN COMPUTER 2 IN
PC CONTROLMONITOR OUT
AUDIO OUT S-VIDEO IN VIDEO INAUDIO INCb/Pb
L/MONO R Y
Cr/Pr
143
2
11
569108 71
4131215
1. COMPUTER 1 IN/Component Connector (Mini D-
Sub 15 Pin) (→ page 13, 15, 16)
2. COMPUTER 2 IN/Component Connector (Mini D-
Sub 15 Pin) (→ page 13, 16)
3. COMPUTER 3 IN Connector (DVI-D 24 Pin) (HDCP
compatible) (→ page 14) (Not available on LT280)
4. AUDIO IN (Stereo Mini Jack) (→ page 13, 14, 16)
5. MONITOR OUT Connector (Mini D-Sub 15 Pin) (→
page 16)
6. AUDIO OUT (Stereo Mini Jack) (→ page 16)
7.COMPONENT IN (Y, Cb/Pb, Cr/Pr) Connectors
(RCA) (→ page 17)
8. S-VIDEO IN Connector (Mini DIN 4 Pin) (→ page
18)
9. VIDEO IN Connector (RCA) (→ page 18)
10. AUDIO L/MONO, R (RCA) (→ page 17, 18)11.PC CONTROL Port (Mini D-Sub 9 Pin) (→ page 116,
117)
Use this port to connect your PC or control system to
control your projector via a serial cable. This enables
you to control the projector using serial communica-
tion protocol. A commercially available RS232C cross
cable is required to use this port. You can also control
the projector by using PC Control Utility 3.0 contained
on the supplied User Supportware 3 CD-ROM. To do
so you must first have PC Control Utility 3.0 installed
on your PC. If you are writing your own program, typi-
cal PC control codes are on page 116.
12. LAN Port (RJ-45) (→ page 19, 48)
13. USB Port (Type A) (→ page 35, 47)
14. PC CARD Eject Button (→ page 22)
15. PC CARD Slot (→ page 21) (LT380 only)
The actual appearance of the terminal panel may differ slightly from that shown in the drawing, but this does not affect
the projectors performance. 
						

							8
1. Introduction
 Part Names of the Remote Control
4. LED
Flashes when any button is pressed.
5. POWER ON Button (→ page 24)
NOTE: To turn on the projector, press and hold the POWER
ON button for a minimum of two seconds.
6. POWER OFF Button (→ page 33)
NOTE: To turn off the projector, press the POWER OFF but-
ton twice.
7. COMPUTER 1 Button (→ page 26)
8. COMPUTER 2 Button (→ page 26)
9. COMPUTER 3 Button (→ page 26)
(Not available on LT280)
10. VIDEO Button (→ page 26)
11.S-VIDEO Button (→ page 26)
12. COMPONENT Button (→ page 26)
13.VIEWER Button (→ page 26)
14. LAN Button (→ page 26)
15. MENU Button
16. SELECT 
 Button
17. ENTER Button
18. EXIT Button
19. LASER Button (→ page 32)
20. MOUSE R-CLICK Button (→ page 37)
21. MOUSE L-CLICK Button (→ page 37)
22. FREEZE Button (→ page 34)
23. ASPECT Button (→ page 74)
24. VOLUME +/– Buttons (→ page 31)
25. PICTURE Button (→ page 69, 71)
26. PIC-MUTE Button (→ page 34)
27. MAGNIFY +/– Buttons (→ page 34)
28. LAMP MODE Button (→ page 34)
29. AUTO ADJ. Button (→ page 31)
30. PAGE UP/DOWN Buttons (→ page 37)
31. 3D REFORM Button (→ page 29, 38)
32. HELP Button (→ page 35)
LASER
3D REFORM
AUTO ADJ.ASPECT
HELP
PICTURE
PIC-MUTE
LAMP MODE
R-CLICK L-CLICK
MOUSE
FREEZE
VOLUME MAGNIFYPAGE
SELECT
MENU
ENTEREXIT
OFF
VIDEO
S-VIDEOVIEWER
LAN COMPUTER
COMPONENT
ONPOWERPOWER
3 1
2
UP
DOWN
5
8
9 4
6 7
10
11
12
13
14
21
23 22
24
25
26
27
20
29
30
31
32
28 19
15
16
17
18
OFF
VIDEO
S-VIDEOVIEWER
LAN COMPUTER
COMPONENTONPOWER
POWER
R
3 1
2
SELECT
1
2
3
1. Infrared Transmitter
2. Laser Pointer
CAUTION:
* Do not look into the laser pointer while it is on.
* Do not point the laser beam at a person.
3. Remote jack
(Not available on this model) 
						

							9
1. Introduction
30°
30°
30° 30°
Battery Installation
1Press the catch and remove
the battery cover.2Install new ones (AA). Ensure
that you have the batteries po-
larity (+/–) aligned correctly.3Slip the cover back over the bat-
teries until it snaps into place.
NOTE: Do not mix different types of
batteries or new and old batteries.
Remote sensor on projector cabinet
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.
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 heat, take apart, or throw batteries into fire.
•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.
Operating Range for Wireless Remote Control
2
1
2
1
Remote control 7m/22 feet 
						

							10
This section describes how to set up your projector and how to connect PCs, video and audio sources.
2. Installation and Connections

 Setting Up the Screen and the Projector
The further your projector is from the screen or wall, the larger the image. The minimum size the image can be is
approximately 21 inches (0.5 m) measured diagonally when the projector is roughly 28 inches (0.7 m) from the wall or
screen. The largest the image can be is 300 inches (7.6 m) when the projector is about 390 inches (10 m) from the wall
or screen. Use the drawing below as a guide.
Selecting a Location
Your projector is simple to set up and use.
But before you get started, you must first:
zSet up a screen and the projector.
xConnect your computer or video equip-
ment to the projector. See pages 13 -
22.
cConnect the supplied power cable. See
page 23.
NOTE: Ensure that the power cable and any other
cables are disconnected before moving the pro-
jector. When moving the projector or when it is
not in use, cover the lens with the lens cap.
To the wall outlet.
32
1
C
b
/
P
b
Y
A
C
 
I
N
S
E
L
E
C
T
Distance
Lens center
Screen size
Screen size (Unit: cm/inch)609.6 (W) X 457.2 (H) / 240 (W) X 180 (H)
487.7 (W) X 365.8 (H) / 192 (W) X 144 (H)
406.4 (W) X 304.8 (H) / 160 (W) X 120 (H)
365.8 (W) X 274.3 (H) / 144 (W) X 108 (H)
304.8 (W) X 228.6 (H) / 120 (W) X 90 (H)
243.8 (W) X 182.9 (H) / 96 (W) X 72 (H)
203.2 (W) X 152.4 (H) / 80 (W) X 60 (H)
162.6 (W) X 122.0 (H) / 64 (W) X 48 (H)
121.9 (W) X 91.4 (H) / 48 (W) X 36 (H)
81.3 (W) X 61.0 (H) / 32 (W) X 24 (H)
51.0 (W) X 38.1 (H) / 20 (W) X 15 (H)300
240
200
180
150
120
100
6080
10.0/393.7
8.0/315.06.6/259.86.0/236.25.0/196.94.0/157.53.3/129.92.6/102.41.9/74.81.3/
51.20.8/
31.5
4025
Unit: m/inch
TIP:
•The screen sizes above are intermediate values between tele (minimum display area) and wide (maximum display area). Image size
can be adjusted with the zoom adjustment up to a maximum of 10%.
•To avoid premature lamp failure, do not tilt the front of the projector up or down by more than 10
° from level.