NEC lt158 User Manual

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USB

PC CONTROL

VIDEO

S-VIDEO

RGB

AUDIO

LT158/LT157 Quick Connect Guide

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Step1 Connect the supplied signal cable.

Mini D-Sub 15 pin
connector

Audio cable (not supplied)

DVI connector ①

DVI-D – DVI-D
signal cable (supplied)

Audio cable
(not supplied)

Connection Option ① when using DVI output
Connection Option ➁ when using mini D-Sub 15 pin output

Always power down before you make any connections.

Step2

Mini D-Sub 15 pin
connector ➁

Connect the supplied power cable.

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SELECT

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AC IN

RGB signal cable
(supplied)

ADJUS

AUTO

SOURCE

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DVI-A – VGA signal cable
(supplied)

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ON

Power cable
(supplied)

21. HELP Button

Remote Control Features

Provides information about operation and ad­justment procedures or the set information for

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1

Step3

LT157

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Turn on the projector.

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SELECT

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SOURCE

AUTO

ADJUST

ON

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STAND BY

PC CARD

ACCESS

STATUS

POWER

Adjusting the Tilt Foot

1. Lift the front edge of the projector.

2. Press the Tilt button on the front of the projector
to extend the Adjustable Tilt Foot.

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SELECT

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OFF

VIDEO

S-VIDEO RGB1 RGB2

POWER

ON

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PJ

POINTER

MAGNIFY

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SHIFT

PC CARD

SLIDE

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LASER

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AUTO ADJ.

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FOCUS ZOOM

HELP

KEYSTONE

SELECT

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LT158

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(ON/STAND BY) button for a minimum of two seconds.

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NOTE: To turn off the projector, press and hold the Power

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AC IN

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27

FREEZE

PIC-MUTE

VOLUME

FOLDER

SLIDE

LIST

3. Press and hold the Tilt button.

Step4

To adjust the projector's focus or to zoom in and out, use
the Focus ring and Zoom lever on the lens.

Zoom lever

Set up the Projector

Focus ring

4. Lower the front edge of the projector to the de­sired height and release the Tilt button to lock
the Adjustable Tilt Foot.

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AC

• If the projected image does not appear square to the
screen then use keystone correction for proper ad­justment. See page 29 or 34 of the supplied user's
manual.

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SELECT

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AC IN

Printed in Japan

7N8P1231

1. Infrared Transmitter

Direct the remote control toward the remote
sensor on the projector cabinet.

2. Laser Pointer

Beams a laser light when "Laser" button is
pressed.

3. Remote Jack

Not available on this model.

4. LED

Flashes when any button is pressed.

5. Power ON Button

If the main power is applied, you can use this
button to turn your projector on.

6. Power OFF Button

If the main power is applied, you can use this
button to turn your projector off.

NOTE: To turn off the projector, press and hold the
POWER OFF button for a minimum of two seconds.

7. VIDEO Button

Press this button to select an NTSC, PAL,
SECAM or NTSC4.43 compatible video source
from a VCR, DVD player, laser disc player or
document camera.

8. S-VIDEO Button

Press this button to select an S-Video source
from a VCR.

9. RGB 1 Button

Press this button to select a video source from
a computer or component equipment con­nected to your RGB port (DVI digital on LT158).

10. RGB 2 Button

Not available on the LT157.
For LT158: Press this button to select a DVI
analog signal from a computer.

5

11. AUTO ADJ Button

Use this button to adjust an RGB source for an

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optimal picture. Some signals may not be dis-

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played correctly or take time to switch between
sources.

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12. LASER Button

Press and hold this button to activate the laser
pointer. When lit, you can use the laser to draw

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your audience's attention to a red dot that you
can place on any object.

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13. MENU Button

Displays the menu for various settings and ad-

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justments.

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14. SELECT (▲▼

䊴 䊳

) (Mouse) Button

When you are in the Computer mode, these
buttons work as a computer mouse.

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When you are in the Projector mode, which is

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indicated by lighting the PJ button:
▲▼: Use these buttons to select the menu of

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the item you wish to adjust.

䊴 䊳

:Use these buttons to change the level of a

selected menu item.
A press of the

䊳

button executes the se­lection.
When the pointer is displayed, these ▲▼

䊳

buttons move the pointer.

15. ENTER (Left Click) Button

When you are in the Computer mode, this but­ton works as the mouse left button.
When this button is pressed and held for a mini­mum of 1.5 seconds, the drag mode is set.
When you are in the Projector mode, which is
indicated by lighting the PJ button:
Use this button to enter your menu selection. It
works the same way as the "Enter" button on
the cabinet.

16. CANCEL (Right Click) Button

When you are in the Computer mode, this but­ton works as the mouse right button.
When you are in the Projector mode, which is
indicated by lighting the PJ button:
Press this button to exit "Menus". It works the
same way as the “Cancel” button on the cabi­net.

17. PJ Button

Press this button to switch the Select, Cancel,
and Enter buttons between the Projector mode
(lit red) and the Computer mode. Press this
button or any one of the Power ON/OFF, Menu,
Help, Pointer, Magnify, PC Card, Folder List or
Slide List buttons to switch to the Projector
mode and the PJ button lights red. To switch
back to the Computer mode, press the PJ but­ton again.

18. FOCUS Button

Not available on this model.

19. ZOOM Button

Not available on this model.

20. SHIFT Button

Not available on this model.

the current menu or adjustment during menu
operation.

22. POINTER Button

Press this button to display one of the eight
pointers; press again to hide the pointer. You
can move your pointer icon to the area you want
on the screen using the Select button.

23. KEYSTONE (+) (–) Button

Press the (+) or (–) button to correct the key­stone (trapezoidal) distortion, and make the im­age square.

24. MAGNIFY (+) (–) Button

Use this button to adjust the image size up to
400%.
When the pointer is displayed, the image is
magnified about the center of the pointer. When
the pointer is not displayed, the image is mag­nified about the center of the screen.
When the image is magnified, the pointer is
changed to the magnifying icon.

25. FREEZE Button

This button will freeze a picture. Press again to
resume motion.

26. PICTURE MUTE Button

This button turns off the image and sound for a
short period of time. Press again to restore the
image and sound.
NOTE: When the menu is displayed, a press of

䊴

this button mutes an image and sound without
turning off the menu.

27. VOLUME (+) (–) Button

Press (+) to increase the volume and (–) to de­crease it.

28. PC CARD Button

Press this button to select the PC Card Viewer
source.

29. SLIDE (+) (–) Button

Press (+) to select the next folder or slide and
(–) to select the previous folder or slide.

30. FOLDER LIST Button

Press this button to select PC Card Viewer
source to display a list of folders included in a
CompactFlash card.

31. SLIDE LIST Button

Press this button to select PC Card Viewer
source to display a list of slides included in a
CompactFlash card.

*NOTE: The default is the Computer mode, which
allows you to use the Select, Cancel, and Enter but­tons as your computer mouse. When the POWER
ON/OFF, MENU, HELP, POINTER, MAGNIFY, PC
CARD, FOLDER LIST, or SLIDE LIST button is
pressed, the PJ button lights red to indicate that you
are in the Projector mode. If no buttons are pressed
within 10 seconds, the light goes out and the Projec­tor mode is canceled.

Menu Tree Troubleshooting

NOTE:

1) When menu items are not available, they are indicated in white.

2) For LT158: When DVI (DIGITAL) is selected, making any adjustment executes the

Auto Adjust feature. The AUTO ADJUST button on the remote control is also avail­able. You can adjust the horizontal and the vertical position for DVI digital signal but
cannot save those adjustments.

Advanced Menu

Source Select RGB*
Picture Video
Volume S-Video Brightness/Contrast/Color/Hue/Sharpness
Image Options
Color Management
Projector Options
Tools
Help

1

PC Card Viewer

Keystone Normal/Eco
Lamp Mode
Advanced Options
Factory Default

Gamma Correction
Color Matrix

White Balance

Volume

Aspect Ratio Normal/Zoom/Wide Zoom/Cinema
Noise Reduction Off/Low/Medium/High
Position/Clock Horizontal/Vertical/Clock/Phase
Resolution Auto/Native
Video Filter On / Off

All Data/Current Signal

Normal/Natural 1/Natural 2
Select Color Matrix HDTV/SDTV

Select Color Matrix Type B-Y/R-Y,Cb/Cr,Pb/Pr
Brightness R/G/B, Contrast R/G/B

This section helps you resolve problems you may encounter while setting up or using the projector.

Power/Status Light Messages

Condition

Standby

Cooling down

Lamp in Normal mode

Lamp in Eco mode

Retrying lamp turn on

One minute after lamp is turned
on

Lamp has reached its end of life

Power Indicator

Steady orange

Blinking green

Steady green

Steady green

Steady green

Blinking green

Steady green

(Normal: 1500 hours or over)

Menu Menu Mode (Advanced Menu, Basic/Custom Menu)
Setup

Capture
PC Card Files
ChalkBoard

Contents Contents
Information Page1

Page 1

Language (English/German/French/Italian/Spanish/Swedish/Japanese)
Projector Pointer (Pointer 1-8)
Menu Display Time (Manual/Auto 5 sec/Auto 15 sec/Auto 45 sec)
Message Source Display

Page 2

Direct Button Volume Bar

Page 1 Orientation (Desktop Front/Ceiling Rear/Desktop Rear/Ceiling Front)
Cinema Position (Top/Center/Bottom)
Background (Blue/Black/Logo)
Mouse Button(Right Hand/Left Hand)
Sensitivity(Fast/Medium/Slow)
Page 2 PC Card Viewer Options Show Folder List
(Auto Play/Manual Play)
Interval (5-300 sec)

Capture Options (High Quality/Normal/High Compression)
Page 3 Signal Select RGB*
Video (Auto/NTSC3.58/NTSC4.43/PAL/PAL-M*3/PAL-N*3/PAL60/SECAM)
S-Video (Auto/NTSC3.58/NTSC4.43/PAL/PAL-M*
Page 4 Auto Adjust (RGB Only)

Auto Start

Power Management

Power Off Confirmation

Keystone Save

Clear Lamp Hour Meter

Clear Filter Usage
Page 5 Communication Speed(4800/9600/19200/38400)

Default Source Select(Last/Auto/Select)
(RGB*
Control Panel Key Lock (Enable/Disable)

Page2 Signal Type/Video Type/Sync Type/Interlace/Resolution
Page3 Aspect Ratio/Gamma Correction/Noise Reduction/Color Matrix/Matrix Type
Page4 Remaining Lamp Time/Lamp Hour Meter/Filter Usage/Projector Usage

Basic/Custom Menu Edit

(On/Off)

No input
Clean Filter (On/Off)

Keystone Bar

2

(Auto/RGB/Component)

Source Name/Input Terminal/Horizontal Frequency/Vertical Frequency/Sync Polarity

(On/Off)

(On/Off)
(On/Off)

4

/Video/S-Video/PC Card Viewer)

3

/PAL-N*3/PAL60/SECAM)

(Eco: 2500 hours or over)

Lamp life has reached its end of
life
(Normal: 1600 hours or over)
(Eco: 2600 hours or over)

Lamp or filter cover error

Temperature error

Fan error

Lamp error

Steady orange

Steady orange

Steady orange

Steady orange

Steady orange

NOTE:

1 On LT158, "DVI (DIGITAL)" and "DVI (ANALOG)" are displayed in the Source Select submenu.

*

2 On LT158, "DVI (ANALOG)" is displayed in the Signal Select on Page 3.

*

3LT158 Only.

*

4 On LT158, "DVI (DIGITAL)" and "DVI (ANALOG)" can be also selected.

*

Status Indicator

–

–

–

Steady green

Blinking orange

No light in Normal mode / Steady
green in Eco mode

Steady red

Steady red

Blinking red (1 sec interval)

Blinking red (4 sec interval)

Blinking red (8 sec interval)

Blinking red (12 sec interval)

Note

–

Blinks green for 90 seconds

–

–

The projector retries 3 times at an interval of
15 sec for max. 45 sec)

–

Message appears on screen during 1500-1600
hours (2500-2600 hours: Eco mode) of lamp
usage. The projector reaches its end of life.
Please replace the lamp as soon as possible

The projector is in standby mode and cannot
be turned on.

The projector is in standby mode and cannot
be turned on.

The projector is in standby mode and cannot
be turned on.

The projector is in standby mode and cannot
be turned on.

The projector is in standby mode and cannot
be turned on.

Common Problems & Solutions

Problem Check These Items

Does not turn on

• Check that the power cable is plugged in and that the power button on the projector cabinet or the
remote control is on.

• Ensure that the lamp cover or filter cover is installed correctly. See pages E-48 and E-49.

• Check to see if the projector has overheated or the lamp usage exceeds 1600 hours (up to 2600 hours
: Eco mode). If there is insufficient ventilation around the projector or if the room where you’re
presenting is particularly warm, move the projector to a cooler location.

No picture

• Use the menu to select your source [Video, S-Video, RGB (DVI digital or DVI analog on LT158) or
PC Card Viewer]. See pages E-18 and E-33.

• Ensure your cables are connected properly.

• Use menus to adjust the brightness and contrast. See page E-33

• Remove the lens cap.

• Reset the settings or adjustments to factory preset levels using the Factory Default in the Adjustment
Menu. See page E-35

Image isn’t square to the screen

• Reposition the projector to improve its angle to the screen. See page E-25

• Use the Keystone to correct the trapezoid distortion. See page E-29 or E-34

Picture is blurred

• Adjust the focus. See page E-25

• Reposition the projector to improve its angle to the screen. See page E-25

• Ensure that the distance between the projector and screen is within the adjustment range of the lens.
See page E-16

Image is scrolling vertically,
horizontally or both

Remote control does not work

• Use menus or Source button on the remote control or the cabinet to select the source you want to
input.

• Install new batteries. See page E-13

• Make sure there are no obstacles between you and the projector.

• Stand within 22 feet (7 m) of the projector. See page E-13

• Make sure that you are in the Projector mode and the PJ button lights in red. If not, press the PJ
button.

Status indicator is lit or blink-

• See the Power/Status Light messages above.

ing

Cross color in RGB mode

• If Auto Adjust is off, turn it on. If Auto Adjust is on, turn it off and balance the image with the
Position/Clock in the Image Options. See page E-35 or E-38

When using the PC Card Viewer function

Problem Check These Items

No picture

Part of a slide is not displayed

Contents of CompactFlash Card
are damaged

For more information contact your dealer.

• Is “PC Card Viewer” selected from the Source menu?

• Is the CompactFlash memory card seated in the PC CARD slot completely?

• Is slide data stored in the CompactFlash memory card?

•Have the contents of the CompactFlash memory card been destroyed?

• While an image with over 1024⳯768 dots is projected, several lines of information will be lost. Use
the supplied software to change the image to 1024⳯768 dots in size.

• Use a computer, etc., to repair the data.