Micro-Portable Projector
LT75Z
User’s Manual
English
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E-2
IMPORTANT INFORMATION
• IBM is a registered trademark of International Business Machines Corporation.
• Macintosh and PowerBook are registered trademarks of Apple Computer, Inc.
• Other product and company names mentioned in this user's manual may be the trademarks of their respective holders.
Precautions
Please read this manual carefully before using your NEC LT75Z
Projector and keep the manual handy for future reference.
Your serial number is located on the bottom of your LT75Z.
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. RE-
FER SERVICING TO QUALIFIED NEC SER-
VICE PERSONNEL.
This symbol warns the user that uninsulated volt-
age 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 infor-
mation concerning the operation and mainte-
nance of this unit has been provided. The infor-
mation should be read carefully to avoid prob-
lems.
WARNING
TO PREVENT FIRE OR SHOCK, DO NOT EXPOSE THIS
UNIT TO RAIN OR MOISTURE.
DO NOT USE THIS UNIT’S GROUNDED PLUG WITH AN
EXTENSION CORD OR IN AN OUTLET UNLESS ALL
THREE PRONGS CAN BE FULLY INSERTED.
DO NOT OPEN THE CABINET. THERE ARE HIGH-VOLT-
AGE COMPONENTS INSIDE. ALL SERVICING MUST BE
DONE BY QUALIFIED NEC SERVICE PERSONNEL.
DOC Compliance Notice
This Class B digital apparatus meets all requirements of the
Canadian Interference-Causing Equipment Regulations.
3. GSGV Acoustic Noise Information Ordinance:
The sound pressure level is less than 70 dB (A) according to
ISO 3744 or ISO 7779.
RF Interference
WARNING
The Federal Communications Commission does not al-
low any modifications or changes to the unit EXCEPT
those specified by NEC Technologies 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 interfer-
ence in a residential installation. This equipment gen-
erates, 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 ra-
dio or television reception, which can be determined
by turning the equipment off and on, the user is en-
couraged 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 dif-
ferent from that to which the receiver is connected.
• Consult the dealer or an experienced radio / TV tech-
nician 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 con-
tact your supplier.
E-3
Important Safeguards
These safety instructions are to ensure the long life of your
projector and to prevent fire and shock. Please read them care-
fully 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.
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 inter-
nal components.
5. Handle your projector carefully. Dropping or jarring can dam-
age 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.
Power Supply
1. The projector is designed to operate on a power supply of
100-120 or 200-240 V 50/60 Hz AC. Ensure that your power
supply fits this requirement before attempting to use your
projector.
2. Handle the power cable carefully and avoid excessive bend-
ing. A damaged cord can cause electric shock or fire.
3. If the projector is not to be used for an extended period of
time, disconnect the plug from the power outlet.
Cleaning
1. Unplug the projector before cleaning.
2. Clean the cabinet periodically with a damp cloth. If heavily
soiled, use a mild detergent. Never use strong detergents or
solvents such as alcohol or thinner.
3. Use a blower or lens paper to clean the lens, and be careful
not to scratch or mar the lens.
CAUTION
Do not turn off the main power or unplug the power
cable from the wall outlet under any one of the follow-
ing circumstances. Doing so can cause damage to the
projector:
• Immediately after the power cable is plugged into the
wall outlet (when the POWER indicator has not
changed to a steady orange glow).
• Immediately after the cooling fan stops working (The
cooling fan continues to work for 90 seconds after
the projector is turned off with the POWER button).
E-4
Lamp Replacement
•To replace the lamp, follow all instructions provided on page
E-34.
• 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 NEC dealer for
lamp replacement.
• Allow a minimum of 90 seconds to elapse after turning off
the projector. Then disconnect the power cable and allow 60
minutes to cool the projector before replacing the lamp.
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 pro-
jector. Allow at least 3 inches (10cm) of space between your
projector and a wall.
2. Prevent foreign objects such as paper clips and bits of pa-
per 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, dis-
connect it immediately and have the object removed by a
qualified NEC service personnel.
3. Do not place any liquids on top of your projector.
• Do not look into the lens while the projector is on. Serious dam-
age to your eyes could result.
• Keep any items such as magnifying glass out of the light path of
the projector. The light being projected from the lens is exten-
sive, 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.
• 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.
E-5
1. INTRODUCTION
Introduction to the LT75Z Projector ...............................E-6
Getting Started................................................................E-6
What’s in the Box ............................................................E-7
Getting to Know Your LT75Z Projector ..........................E-8
Front / Side Features ...............................................................E-8
Attaching the lens cap .............................................................E-8
Rear / Side Features ................................................................E-9
Top Features..........................................................................E-10
Terminal Panel Features .........................................................E-11
Remote Control Features .......................................................E-12
Remote Control Battery Installation.................................E-13
Operating Range ............................................................E-13
Remote Control Precautions ...........................................E-13
2. INSTALLATION
Setting Up Your Projector .............................................E-14
Selecting a Location .....................................................E-14
Screen and Projection Distance...................................E-14
Distance Chart ..............................................................E-15
Reflecting the Image.....................................................E-15
Wiring Diagram ............................................................. E-16
Connecting Your PC or Macintosh Computer ........................E-17
Connecting Your DVD Player .................................................E-18
Connecting Your VCR or Laser Disc Player ............................E-19
About Startup screen (Menu Language Select screen) ...........E-20
3. OPERATION
Connecting the Power Cable and Turn on the Projector
.....E-21
Adjusting the Image Size and the Focus .....................E-22
Adjusting the Image Using Auto Adjust .......................E-23
Enlarging and Moving a Picture ...................................E-24
Using the Menus ...........................................................E-24
Menu Tree......................................................................E-25
Menu Elements .............................................................E-26
Menu Descriptions & Functions ...................................E-27
Source Select ................................................................E-27
RGB/Video/S-Video
Picture ...........................................................................E-27
Brightness/Contrast/Color/Hue/Sharpness
Volume ...........................................................................E-27
Image Options...............................................................E-27
Keystone ...............................................................................E-27
Lamp Mode ...........................................................................E-28
Aspect Ratio ..........................................................................E-28
Position/Clock .......................................................................E-29
Resolution .............................................................................E-29
Video Filter.............................................................................E-29
Factory Default ......................................................................E-29
Color Management .......................................................E-30
Gamma Correction ................................................................E-30
White Balance .......................................................................E-30
Projector Options..........................................................E-30
Menu .....................................................................................E-30
Menu Mode....................................................................E-30
Basic Menu/Advanced Menu
Language .......................................................................E-30
Source Display ...............................................................E-30
No Input Display .............................................................E-30
Volume Bar.....................................................................E-30
Keystone Bar..................................................................E-31
Menu Display Time .........................................................E-31
TABLE OF CONTENTS
Setup.....................................................................................E-31
Orientation......................................................................E-31
Cinema Position .............................................................E-31
Background ...................................................................E-31
Signal Select RGB ..........................................................E-31
Signal Select Video/S-Video ...........................................E-31
Auto Adjust ....................................................................E-32
Auto Start.......................................................................E-32
Power Management .......................................................E-32
Power Off Confirmation ..................................................E-32
Keystone Save ...............................................................E-32
White Segment...............................................................E-32
Default Source Select .....................................................E-32
Communication Speed ...................................................E-32
Control Panel Key Lock ..................................................E-32
Clear Lamp Hour Meter ..................................................E-33
Information ....................................................................E-33
4. MAINTENANCE
Replacing the Lamp......................................................E-34
5. TROUBLESHOOTING
Power/Status Light Messages .....................................E-35
Common Problems & Solutions ...................................E-35
6. SPECIFICATIONS
Optical/Electrical/Mechanical ......................................E-36
Cabinet Dimensions......................................................E-37
D-Sub Pin Assignments................................................E-38
Compatible Input Signal List ........................................E-39
PC Control Codes .........................................................E-40
Cable Connection .........................................................E-40
E-6
Introduction to the LT75Z Projector
This section introduces you to your new LT75Z Projector and
describes the features and controls.
Congratulations on Your Purchase of The LT75Z
Projector
The LT75Z is one of the very best projectors available today.
The LT75Z enables you to project precise images up to 200
inches across (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:
• Simple set up and operation.
•A high-performance 135 watt NSH lamp.
• The supplied wireless remote control that operates the pro-
jector from the front or rear.
• The image can be projected between 30 and 200 inches
(measured diagonally).
•Keystone correction allows you to correct trapezoidal distor-
tion so that the image is square.
•You can choose between video modes depending on your
source:
"normal" for a typical picture, "natural" for true color repro-
duction.
• An image can be projected from in front or behind a screen,
and the projector can even be installed on the ceiling.
• NEC Technologies’ exclusive Advanced AccuBlend intelli-
gent pixel blending technology - an extremely accurate im-
age compression technology - offers a crisp image with
UXGA (1600⳯1200) resolution*
2
.
• Supports most IBM VGA, SVGA, XGA*
2
, SXGA*
2
, UXGA*
2
Macintosh, component signal (YCbCr / YPbPr) or any other
RGB signals within a horizontal frequency range of 15 to
100 kHz and a vertical frequency range of 50 to 120Hz. This
includes NTSC, PAL, PAL-N, PAL-M, PAL60, SECAM and
NTSC4.43 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-M: TV standard used in Brazil.
PAL-N: TV standard used in Argentina, Paraguay and Uruguay.
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.
•You can control the projector with a PC using the PC Con-
trol port.
• The contemporary cabinet design is light, compact, easy to
carry, and complements any office, boardroom or audito-
rium.
*
1
Do not attempt to mount the projector on a ceiling yourself. The
projector must be installed by qualified technicians in order to en-
sure proper operation and reduce the risk of bodily injury. In addi-
tion, 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
An XGA image (1024⳯768), SXGA image (1280⳯1024) and UXGA
image (1600⳯1200) are converted into an 800⳯600 crisp image
with NEC technology’s Advanced AccuBlend.
1. INTRODUCTION
Getting Started
The fastest way to get started is to take your time and do ev-
erything 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 over-
view. If the section doesn’t apply, you can skip it.
E-7
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 LT75Z Projector.
M
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SELECT
AUTO ADJUST
STATUS
POWER
ON/
STAND BY
SOURCE
Quick
Connect
Guide
User's
Manual
R
G
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VIDEO S-VIDEO
POWER
A
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MAGNIFY
PICTURE FREEZE
MUTE
ASPECT
MEN
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HELP
CANCEL
RD-372E
NEC LT75Z Projector
Lens cap
Soft carrying case
Remote control
Batteries
String and rivet
Power cable
RGB signal cable
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STAND BY
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Getting to Know Your LT75Z Projector
Controls
Front/Side Features
Zoom Ring
Lens Cap
Remote Sensor
Adjustable Tilt Foot Button
Ventilation (inlet)
Lens
Focus Ring
Adjustable Tilt Foot
Attaching the lens cap to the bottom with the supplied string and rivet
1. Thread the string through the hole on the lens cap and then tie a knot in the string.
2. Use the rivet to attach the string to the bottom of the projector.
E-9
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PC
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Rear/Side Features
AC Input
Slot for Kensington MicroSaver
Security System
Monaural Speaker (1W)
Remote Sensor
Ventilation (outlet)
Heated air is exhausted from here.
Spacer (black rubber)
To fine-adjust the height of the rear
foot, remove the spacer and rotate
the rear foot to the desired height.
Rear Foot
Rotate to fine-adjust horizontally position
Terminals
Ventilation (inlet)
Bottom
Lamp cover
Lamp cover screw
Ventilation (inlet)
Rear Foot
(not adjustable)
NOTE: The projector has an internal temperature sensor. The sensor controls the speed of the fan to keep constant temperature in the inside.
When the internal temperature rises, the built-in fan automatically runs at a high speed (high-speed mode).
During this time, the sound of exhaust may be heard. This is not a malfunction.
Spacer (black rubber)
Rear Foot
E-10
1. Power Button (ON / STAND BY)
Use this button to turn the power on and off when the power is
supplied and the projector is in standby mode.
NOTE: To turn off the projector, press and hold this button for a mini-
mum of two seconds.
2. Status Indicator
When this is lit red continually, it's warning you that the projec-
tion lamp has exceeded 1000 hours (1500 houres in Eco mode)
of service. After this light appears, it is advisable to replace the
projection lamp as soon as possible. (See page E-34). In addi-
tion the message
"The lamp has reached the end of its us-
able life. Please replace the lamp."
appears continually until
the lamp is replaced.
If this light blinks red rapidly, it indicates that the lamp cover is
not attached properly or the projector is overheated.
See the Power/Status Light Messages on page E-35 for more
details.
3. Power Indicator ( )
When this indicator is green, the projector is on; when the indi-
cator is orange, it is in standby mode.
4. Source Button
Use this button to select a video source such as a PC, VCR or
DVD player.
Each time this button is pressed, the input source will change
as follows:
RGB Video S-Video
If no input signal is present, the input will be skipped.
Top Features
5. Auto Adjust Button (RGB only)
Use this button to adjust Position-H/V and Pixel Clock/Phase
for an optimal picture. Some signals may not be displayed cor-
rectly or take time to switch between sources.
6. Enter Button
Executes your menu selection and activates items selected
from the menu.
7. Cancel Button
Press this button to close the menu.
8. Select (▲▼
䊴
䊳
) Buttons
▲▼: Use these buttons to select the menu of the item you
wish to adjust.
䊴
䊳
: Use these buttons to change the level of a selected
menu item.
9. Menu Button
Displays the menu.
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VIDEO
S-VIDEO
RGB
AUDIO
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CONTROL
1
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9
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3
E-11
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TATUS
POWER
ON/
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VIDEO
S-VIDEO
RGB
AC IN
AUDIO
PC CONTROL
2
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1
Terminal Panel Features
1. PC Control Port (Mini DIN 8 Pin)
Use this port to connect your PC to control your projector via a
serial cable. This enables you to use your PC and serial com-
munication protocol to control the projector. The NEC optional
serial cable is required to use this port.
If you are writing your own program, typical PC control codes
are on page E-40.
A cap is put on the port at the factory. Remove the cap when
using the port.
2. Audio Input Mini Jack (3.5 mm ∅)
This is where you connect audio output from your computer,
VCR, DVD player or laser disc player.
A commercially available audio cable is required.
3. Video Input (RCA)
Connect a VCR, DVD player, laser disc player, or document
camera here to project video.
4. S-Video Input (Mini DIN 4 Pin)
Here is where you connect the S-Video input from an external
source like a VCR.
NOTE: S-Video provides more vivid color and higher resolution than
the traditional composite video format.
5. RGB Input/Component Input Connector
(Mini D-Sub 15 pin)
Connect your PC or other RGB equipment such as IBM or
compatible computers. Use the supplied RGB cable to con-
nect to a PC. Or connect a Macintosh computer here using the
supplied RGB cable. This also serves as a component input
connector that allows you to connect a component video out-
put of component equipment such as a DVD player.
6. AC Input
Connect the supplied power cable's three-pin plug here. When
you plug the other end into an active wall outlet, the POWER
indicator turns orange and the projector is in standby mode.
7. Built-in Security Slot ( )
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.
E-12
Remote Control
VOLUME
RGB
VIDEO S-VIDEO POWER
AUTO ADJ.
MAGNIFY
PICTURE FREEZE MUTE ASPECT
MENU
ENTER
HELP
CANCEL
RD-372E
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12
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2
Remote Control Features
1. Infrared Transmitter
Direct the remote control toward the remote sensor on the pro-
jector cabinet.
2. Power Button
If power is applied, you can use this button to turn your projec-
tor on and off.
NOTE: To turn off the projector, press and hold the POWER button for
a minimum of two seconds.
3. Source Buttons
Press to select a video source.
4. Auto Adjust Button
Use this button to adjust Position-H/V and Pixel Clock/Phase
for an optimal picture. Some signals may not be displayed cor-
rectly, or in some cases it may take some time for a source to
switch between sources.
5. Magnify Buttons
Use the (+) or (–) button to adjust the image size up to 400%.
6. Volume Buttons
Press (+) to increase the volume and (–) to decrease it.
7. Picture Button
Press this button to display the Picture adjustment window.
Each time this button is pressed, the current picture adjust-
ment item will change as follows:
Brightness Contrast Color Hue Sharpness
Unavailable items will be skipped.
8. Freeze Button
This button will freeze a picture. Press again to resume mo-
tion.
9. Mute Button
This button turns off the image and sound for a short period of
time. Press again to restore the image and sound.
10. Aspect Button
Press this button to display the Aspect Ratio select window.
Each time this button is pressed, the current aspect ratio will
change as follows:
Normal Zoom Wide Zoom Cinema
You can also select the aspect ratio by using the Select
䊴
or
䊳
button. If no adjustments are performed within 3 seconds, the
Aspect Ratio select window will disappear. (See also page E-
28.)
11. Menu Button
Displays the menu.
12. Help Button
Provides information about the current signal and the status of
the projector.
13. Select (▲▼
䊴
䊳
) Buttons
▲▼ : Use these buttons to select the menu of the item you
wish to adjust.
䊴
䊳
: Use these buttons to change the level of a selected
menu item.
14. Enter Button
Executes your menu selection and activates items selected
from the menu.
15. Cancel Button
Press this button to exit the menu. While you are in the adjust-
ment or setting menu, pressing this button will return to the
previous menu.
E-13
Remote Control Battery Installation
1. Push to open the battery cover.
2. Remove both old batteries and install new ones (AA). En-
sure that you have the batteries’ polarity (+/–) aligned cor-
rectly.
3. Put the battery cover back on.
Do not mix different types of batteries or new and old bat-
teries.
30˚
7m
7m
30˚
30˚
30˚
Operating Range
The infrared signal operates by line-of-sight up to a distance
of approximately 22 feet (7m) and within a 60-degree angle of
the remote sensor. The projector will not function if there are
objects between the remote control and the remote sensor on
the projector or if strong light falls on the remote sensor. A
weak battery will also prevent the projector from operating prop-
erly.
This sample may be slightly different from actual range
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.
• If you will not be using the remote control for a long time,
remove the batteries.
CAUTION:
Danger of explosion if battery is incorrectly replaced.
Replace only with the same or equivalent type recom-
mended by the manufacturer.
Dispose of used batteries according to your local regu-
lations.
E-14
This section describes how to set up your LT75Z projector and how to connect video and audio sources.
Setting up Your Projector
Your LT75Z Projector is simple to set up and use. But before you get started, you must first:
1. Determine the image size.
2. Set up a screen or select a non-glossy white wall onto which you can project your image.
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.
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" (0.8 m) measured diagonally when the projector is roughly 4 feet (1.3m) from the wall or screen. The largest the image can be
is 200" (5.1 m) when the projector is about 30 feet (9.2m) from the wall or screen.
Screen and Projection Distance
The following shows the proper relative positions of the projector and screen. Refer to the table to determine the position of
installation.
2. INSTALLATION
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 121.9(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)
61.0(W) X 45.7(H) / 24(W) X 18(H)
Screen size (Unit: cm / inch)
Lens center
1.8 / 71
2.7 / 107
3.6 / 143
4.6 / 180
5.5 / 216
6.9 / 271
8.3 / 325
9.2 / 361
1.3 / 53
200"
Screen
180"
150"
120"
100"
80"
60"
40"
30"
Throw distance
Unit: m/inch
E-15
inch
30
40
60
67
72
80
84
90
100
120
150
180
200
mm
762
1016
1524
1702
1829
2032
2134
2286
2540
3048
3810
4572
5080
inch
24
32
48
54
58
64
67
72
80
96
120
144
160
mm
610
813
1219
1361
1463
1626
1707
1829
2032
2438
3048
3658
4064
inch
18
24
36
40
43
48
50
54
60
72
90
108
120
mm
457
610
914
1021
1097
1219
1280
1372
1524
1829
2286
2743
3048
inch
13
17
25
28
30
33
35
38
42
50
63
75
84
mm
319
425
637
712
765
850
892
956
1062
1275
1593
1912
2125
inch
48
64
97
108
117
130
136
146
163
196
245
294
327
mm
1210
1620
2460
2750
2960
3300
3460
3710
4130
4970
6220
7470
8310
–
–
–
–
–
–
–
–
–
–
–
–
–
–
inch
58
78
117
131
141
157
165
177
197
237
296
356
396
mm
1470
1970
2980
3340
3590
3990
4190
4500
5000
6010
7530
9040
10050
inch
4
5
7
8
9
9
10
11
12
14
18
21
24
mm
90
120
180
201
216
240
252
270
300
360
450
541
601
degree
14.8
14.7
14.5
14.5
14.5
14.4
14.5
14.5
14.4
14.4
14.4
14.4
14.3
–
–
–
–
–
–
–
–
–
–
–
–
–
–
degree
12.2
12.2
12.1
12.0
12.0
12.0
12.0
12.0
12.0
12.0
11.9
11.9
11.9
Diagonal Width Height
Screen Size
B
C
Wide Tele
D
α
Wide Tele
B=Vertical distance between lens center and screen center
C=Throw distance
Distance Chart
Screen Bottom
Screen Center
D
B
Lens Center
Throw Distance
C
α
NOTE: Distances may vary +/-5%.
D=Vertical distance between lens center and
top of screen (bottom of screen for desktop)
α=Throw angle
Screen Center
Throw Distance
C
Screen Top
D
B
α
Lens Center
WARNING
• Installing your projector on the ceiling must be done by a qualified techni-
cian. Contact your 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 between 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 projec-
tor.
Reflecting the Image
Using a mirror to reflect your projector’s image
enables you to enjoy a much larger image. Con-
tact your NEC dealer if you need a mirror.
If you’re using a mirror and your image is inverted,
use the “Menu” and “Select” buttons on your pro-
jector cabinet or ▲▼ buttons on your remote con-
trol to correct the orientation. (See page E-31.)
E-16
VIDEO
S-VIDEO
RGB
AUDIO
PC CONTROL
Wiring Diagram
Component V cable RCA
⳯
3 (not supplied)
and Optional 15-pin-to-RCA (female)
⳯
3 cable
(ADP-CV1)
To video, S-video, and audio
inputs on the projector.
RGB Signal cable (supplied)
To mini D-Sub 15-pin connector on the projector. It is
recommended that you use a commercially available
distribution amplifier if connecting a signal cable longer
than the supplied cable.
NOTE: When using with a notebook PC, be sure to connect between the projector and the notebook PC before turning on the power to the
notebook PC. In most cases signal cannot be output from RGB output unless the notebook PC is turned on after connecting with the projector.
NOTE:
* If the screen goes blank while using your remote control, it may be the result of the computer’s screen-saver or power management software.
* If you accidentally hit the POWER button on the remote control, wait 90 seconds and then press the POWER button again to resume.
NOTE: If using video, S-video, or audio cables, the cables should be 3 m (9.8 feet) or shorter.
IBM VGA or Compatibles
(Desktop type or notebook type)
Macintosh
(Desktop type or notebook type)
Document Camera
DVD Player
(with component output)
VCR, DVD Player or
LaserDisc Player
To connect SCART output (RGB)
Before connections: An exclusive SCART adapter (ADP-SC1)
and a commercially available SCART cable are required for
this connection.
NOTE: Audio signal is not available for this connection.
1. Turn off the power to the projector and your video equip-
ment.
2. Use the NEC ADP-SC1 SCART adapter and a commer-
cially available SCART cable to connect the RGB input of
your projector and a SCART output (RGB) of your video
equipment.
Video equipment
such as DVD player
Projector
ADP-SC1
Commercially available SCART cable
Female
3. Turn on the power to the projector and your video equip-
ment.
4. Use the RGB button on the remote control to select the
RGB input.
5. Press the MENU button on the remote control to display
the menu.
6. From the Advanced menu, select [Projector Options] →
[Setup] → [Signal Select RGB] → [Scart].
SCART is a standard European audio-visual connector for TVs,
VCRs and DVD players. It is also referred to as Euro-connec-
tor.
NOTE: The ADP-SC1 SCART adapter is obtainable from your
NEC dealer in Europe.
Contact your NEC dealer in Europe for more information.
E-17
M
E
N
U
E
N
T
E
R
C
A
N
C
E
L
S
E
LE
CT
A
U
TO A
DJUS
T
S
TAT
US
PO
W
ER
ON/
STA
N
D BY
S
O
UR
C
E
VIDEO
S-VID
EO
R
GB
A
UDIO
PC
CONTROL
VIDEO
S-VIDEO
RGB
AUDIO
RGB INPUT
AUDIO
Connecting Your PC or Macintosh Computer
1
O
N
D
I
P
23
4
56
IBM VGA or Compatibles (Notebook type)
or Macintosh (Notebook type)
RGB signal cable (supplied)
To mini D-Sub 15-pin connector on the
projector. It is recommended that you use
a commercially available distribution
amplifier if connecting a signal cable
longer than the supplied one.
IBM VGA or Compatibles
(Desktop type)
Macintosh (Desktop type)
Audio cable
(not supplied)
For older Macintosh,
use a commercially
available pin
adapter to connect to
your Mac's video port.
Pin adapter for Macintosh
(not supplied)
NOTE: The new Macintosh computer such as G3 will have
the 15 pin HD connector. The LT75Z's "Plug and Play" data
will be downloaded to the Macintosh. Therefore, a Mac
adapter will not be necessary.
Connecting your PC to your LT75Z (SVGA) projector will enable you to project your computer’s
screen image for an impressive presentation.
To connect to a PC or Macintosh computer, simply:
1. Turn off the power to your projector and computer.
2. Use the supplied signal cable to connect your PC or Macintosh computer to the projector.
3. Turn on the projector and the computer.
4. If the projector goes blank after a period of inactivity, it may be caused by a screen saver
installed on the computer you’ve connected to the projector.
E-18
M
E
N
U
E
N
T
E
R
C
A
N
C
E
L
S
E
L
E
C
T
A
U
T
O
A
D
JU
S
T
S
TA
T
U
S
PO
W
E
R
O
N
/
S
T
A
N
D
B
Y
S
O
U
R
C
E
V
ID
E
O
S
-V
ID
E
O
R
G
B
AU
D
IO
P
C
C
O
NT
R
O
L
VIDEO
S-VIDEO
RGB
AUDIO
RGB INPUT
R L
Y Cb Cr
R L
AUDIO
Component
AUDIO
You can connect your projector to a DVD player with component outputs or Video output. To do so, simply:
1. Turn off the power to your projector and DVD player.
2. Use a 15-pin cable to connect your monitor to the RGB Monitor Output (Mini D-Sub 15 pin) connector on
your projector.
For a DVD player without component video (Y,Cb,Cr) outputs, use common RCA cables (not provided)
to connect a composite VIDEO output of the DVD player to the Video Input of the projector.
3. Turn on the projector and DVD player.
NOTE: Refer to your DVD player’s owner’s manual for more information about your DVD player’s video output require-
ments.
Connecting Your DVD Player
Optional 15-pin-to-RCA (female)
⳯
3 cable (ADP-CV1)
DVD player
Audio Equipment
Component video cable RCA
⳯
3 (not suplied)
Audio cable (not supplied)
E-19
M
E
N
U
E
N
T
E
R
C
A
N
C
E
L
S
E
L
E
C
T
A
U
T
O
A
D
JU
S
T
S
TA
T
U
S
P
O
W
E
R
O
N
/
S
T
A
N
D
B
Y
S
O
U
R
C
E
VID
E
O
S
-V
ID
EO
R
G
B
A
U
D
IO
P
C
CO
N
TR
O
L
VIDEO
S-VIDEO
RGB
AUDIO
S-VIDEO
VIDEO
R L
R L
VIDEO
Connecting Your VCR or Laser Disc Player
VCR/Laser disc player
S-video cable (not supplied)
Audio cable (not supplied)
Audio equipment
Document camera
Video cable (not supplied)
Use common RCA cables (not provided) to connect your VCR, laser disc player or document
camera to your projector.
To make these connections, simply:
1. Turn off the power to the projector and VCR, laser disc player or document camera.
2. Connect one end of your RCA cable to the video output connector on the back of your VCR or
laser disc player, connect the other end to the Video input on your projector. Use an audio cable
(not supplied) to connect the audio from your VCR or laser disc player to your audio equipment
(if your VCR or laser disc player has this capability). Be careful to keep your right and left
channel connections correct for stereo sound.
3. Turn on the projector and the VCR or laser disc player.
NOTE: Refer to your VCR or laser disc player owner’s manual for more information about your equipment’s
video output requirements.
NOTE:
•A playback video image may not be displayed or may not be correctly displayed when the projector is used
with a scan converter.
• This model does not supports the NEC ISS-6010 and ISS-6020 switchers.
E-20
About Startup screen
(Menu Language Select screen)
When you first turn on the projector, you will get the Startup
screen.This screen gives you the opportunity to select one of
the seven menu languages: English, German, French, Itilan,
Spanish, Swedish and Japanese.
To select a menu language, follow these steps:
1. Use the ▲ or ▼ buttons to select one of the seven languages
for the menu.
2. Press the Enter button to execute the selection.
3. The Basic menu will be displayed in the language you have
selected.
To close the menu, press the Cancel button.
After this has been done, you can proceed to the advanced
menu operation.
If you want, you can select the menu language later. See “Lan-
guage” on page E-30.
Please select a menu language. English
Wählen Sie bitte die Menü Sprache aus. Deutsch
S'il vous plaît choisir la langue de menu. Français
Per favore di scegliere la lingua di menu. Italiano
Escoja por favor el idioma de menú. Español
Välj menyn språken. Svenska
Menu Language Select
Select "UP", "DOWN" & "ENTER"
Basic Menu
Source Select
Picture
Volume
Image Options
Projector Options
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