NEC Lt80 Projector Users Manual

							Connecting Your PC Or Macintosh Computer
Connecting your PC or Macintosh computer to your MultiSync LT80 Projector will enable you to project your computers screen image for an
impressive presentation. All of these following display standards are supported:
To connect to a PC, Macintosh or computer equipped with an SVGA/VGA adapter or compatible graphics adapter, simply:
1. Turn off the power to your projector and computer.
2.
If your PC does not support SVGA/VGA you will need to install an SVGA/VGA graphics board. Consult your computers owners manual for your
SVGA/VGA configuration. If you need to install a new board, see the manual that comes with your new graphics board for installation instructions.
3. Use the signal cable thats supplied to connect your PC or Macintosh computer to the projector. For Macintosh, use the supplied monitor
adapter to connect to your computers video port.
4. Turn on the projector and the computer.
5. If the projector goes blank after a period of inactivity, it may be caused by a  screen saver installed on the computer youve connected to the
projector.
VGA 6402480 for graphics VGA 6402400 for graphics
VGA 6402350 for graphics VGA 7202400 for text
VGA 7202350 for text SVGA 8002600
Macintosh at 6402480 Macintosh at 8322624
39
INSTALLATION40 When using a Macintosh with the LT80, set the DIP switch of the supplied monitor adapter according to your resolution. After setting, restart your
Macintosh.
See the following pages for setting of the DIP switch.
¥ When using with a Macintosh, VGA/SVGA (8002600) is recommended if your Macintosh supports this mode.
¥
When using with a Macintosh PowerBook, output may not be set to 8002600 unless ÒmirroringÓ is off on your PowerBook. Refer to ownerÕs manual
supplied with your Macintosh computer for mirroring.
NOTE: A Video Adapter cable manufactured by Apple Computer is needed for a PowerBook which does not have a mini D-Sub 15-pin connector.
Settings for Macintosh adapter
Macintosh models applied
Desktop type and PowerBook with 8002600
LCD panel
PowerBook with 6402480 LCD panel
Desktop type with AccuBlendSetting required to be selected resolution on Mac after
restarting.
Set to VGA/SVGA (8002600)
Set to 17Ó multi-scan mode (6402480)
Set to 17Ó multi-scan mode (10242768) Setting Mode (Fixed resolution)
16Ó fixed mode (output is 8322624)
13Ó fixed mode (output is 6402480)
19Ó fixed mode (output is 10242768) 
						

							Settings for Monitor Mode
Number of DIP switch
Monitor size
15Ó multi-scan mode /16ÓÐ13Ó
17Ó multi-scan mode /19ÓÐ13Ó
19Ó multi-scan mode /21ÓÐ13Ó
13Ó fixed mode /6402480
VGA/SVGA mode
16Ó fixed mode /8322624
19Ó fixed mode /10242768
41
INSTALLATION42
S1
ON
ON
ON
ONS2 S3 S4
ONS5
ON
ONS6
ONS7
ONS8
ON
NOTE: For setting other than display modes supported by your Macintosh and LT80, using of the DIP
switch may bounce a image slightly or may display nothing. If this happens, set the DIP switch to the 13Ó
fixed mode and then restart your Macintosh. After that, restore to a displayable mode and then restart the
Macintosh again.
Make sure that LT80 and your Macintosh are connected with the monitor adapter and the supplied signal
cable (mini D-Sub 15-pin connector) and then restart your Macintosh.
NOTE: Refer to your computers owners manual for more information about your computers video
output requirements and any special identification or configuring your projectors image and monitor
may require.
ON®
12345678
ON®
12345678
ON®
12345678
13Ó fixed mode
17Ó multi-scan modeVGA/SVGA mode Examples of DIP switch setting 
						

							Changing Video Resolutions
Depending on your computers graphic capability, you may be able
to select one of several resolutions. Generally a computer- either a
PC or Macintosh- with 1 meg. of memory will run:
6402480 at 16.7 million colors (24 bit Truecolor)
8002600 at 65 thousand colors.
10242768 at 256 colors.
As the resolution increases,  the number of colors you can run de-
creases.  With 2 meg. of memory a computer will run:
6402480 at 16.7 million colors (24 bit Truecolor).
8002600 at 16.7 million colors (24 bit Truecolor).
10242768 at 65 thousand colors.
128021024 at 256 colors.
Windows 95
There are two methods you can use to change your resolution.
Method 1
1. Move your cursor to the background image and click.
2. In the Properties menu, select Settings.
3. Change your resolution and click OK.4. You may be asked to reboot for the changes to take affect, or you ll
get a message that Windows is about to resize your display. When
asked if you want to keep your settings, select Yes.
Method 2
1. Click on your My Computer icon.
2. Open Control Panel and select Display.
3. Change your resolution and click OK. after the new resolution is
selected.
4. You may be asked to reboot for the changes to take affect, or you ll
get a message that Windows is about to resize your display. When
asked if you want to keep your settings, select Yes.
Windows 3.1
1. Click on the Main icon and open Control Panel.
2. Select Change System Settings and click on Option.
3. Choose Change Display Settings.
4. Select the resolution you want.
5. Choose the current drive or another.
6. Restart Windows for the changes to take affect.
43
Macintosh
1. Under the Apple menu, select Control Panels and open Moni-
tors.
2. Click and open Options.
3. Select your new resolution and click OK.
If you have an NEC monitor connected to your Macintosh, you may
have a DPI-On-The-Fly extension that enables you to change your
resolution directly. The DPI-On-The-Fly icon is under your Apple
menu.
INSTALLATION44 
						

							Connecting Your Document Camera
You can connect your MultiSync LT80 Projector to a document camera. To do so, simply:
1. Turn off the power to your projector and document camera.
2. Use a standard video cable to connect your document camera to the Video input on your projector.
3. Turn on the projector and the document camera.
NOTE:   Refer to your document cameras owners manual for more information about your cameras
video output requirements .
Connecting Your VCR, DVD Player Or Laser Disc Player
Use common RCA cables (not provided) to connect your VCR or laser disc player to your MultiSync
LT80 Projector. To make these connections, simply:
1. Turn off the power to your projector and VCR, DVD player or laser disc player.
2. Connect one end of your RCA cable to the video output connector on the back of your VCR, DVD
player or laser disc player, connect the other end to the Video input on your projector. Use standard
RCA audio patch cords to connect the audio from your VCR, DVD player or laser disc player to your
projector (if your VCR, DVD player 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, DVD player or laser disc player.
NOTE:  Refer to your VCR, DVD player or laser disc player owners manual for more information about
your equipments video output requirements.
45
Connecting An External Monitor
You can connect a separate, external monitor to your projector to simultaneously view on a monitor the
image youre projecting. To do so:
1. Turn off the power to your projector and computer, document camera or video source.
2. Use a 15-pin cable to connect your monitor to the RGB OUT connector on your LT80 projector.
3. Turn on the projector and the computer, document camera or video source.
INSTALLATION46 
						

							Connecting Your Remote Mouse Receiver
The remote mouse receiver enables you to operate your computers
mouse functions from the NEC MultiSync LT80 remote control. It is a
great convenience for clicking through your computer-generated pre-
sentations.
To connect the remote mouse receiver:
1. Turn off your computer.
2. For PCs: Remove your current mouse and connect the serial cable
from the remote mouse receiver to your PCs mouse port. (Use the
6-pin adapter for connecting to a PS/2 computer.)
For Macintosh: Remove your current mouse from your computer,
attach the Macintosh adapter to the remote mouse receivers serial
cable, and connect the receiver to your mouse port.
3. When the remote mouse receiver is installed, it will disable your
regular mouse, disconnect the remote mouse receiver and restart
your computer.
IBM PC/AT
IBM PS/2 Macintosh
INSTALLATION
47
48
mThe Remote Mouse Receiver as a mouse for your computer
Serial cable (supplied) 
						

							This section describes how to select a computer or video source and how to adjust the
picture and sound.
General Controls Before you turn on your MultiSync LT80 Projector,  ensure that the
computer or video source is turned on and that your lens cap is removed.
1.Turn On The Projector The main power switch is on the back panel of the
MultiSync LT80 Projector. By turning this switch on, the projector will go into its
standby mode and the power light will glow amber. Only after you press the On
button on the remote control or projector cabinet will the power light turn to green
and the projector become ready to use.
NOTE: To turn the projector on and off with just the back panel switch, use the menu
and enable the auto start feature. (See page 59. )
2.Select The Computer Or Video Source Press the Video (VCR, DVD player,
document camera, or laser disc player), S-video, or RGB (computer) button on
the remote control to display the image. Or press the Menu button on the cabinet
and use the icons to select your video source: Video, S-Video, or RGB.
OPERATION 349
3.Adjust The Image Size Adjust the size of the screen with the zoom ring lever on the
projector.
4.Focus Adjust the focus with the focus ring on the projector.
5.Turning Off The Projector First press the off button on the remote control or the
projector cabinet. The power light will glow amber. Then turn off the main power
switch on the back panel. The power light will go out.
IMPORTANT:
¥ The projector should be unplugged if it will not to be used for an extended period.
¥ To turn off the image briefly (five minutes or less), use the Picture Mute button
instead of turning the projector off and on.
¥ The projector will display a black, or blue image if no input signal is present.
¥ Do not turn the projector off and then immediately back on. The projector needs to
cool for a minute before it can be restarted.
OPERATION50 
						

							Using The Menus
1. Press the Menu button on the remote control or projector cabinet to display the Main Menu.
2. Press the Select button on the projector cabinet or (s) (t) buttons on your remote control to highlight the menu for the item you want
to adjust.
3. Press the Enter button on the projector cabinet or the Left Click button on the remote control to select a submenu or item.
4. Adjust the level or turn the selected item on or off by using the Adjust (+) or (Ð) buttons on the remote control or cabinet. The on-screen
gauge will display your changes. The (+) button is on and (Ð) is off.
5. The change is stored until you adjust it again.
6. Repeat steps 2-5 to adjust an additional item, or press ÒRight-ClickÓ on your remote control to quit the menu display.
51
VIDEORGB AUTO PICTURE ON RGB AUTO PICTURE OFF
OPERATION52 
						

							Enables you to select a video source such as a VCR, DVD player, laser disk player, compu-
ter or document camera depending on what is connected to your inputs. Press the Select
button on the projector cabinet or (s) (t) buttons on your remote control to highlight the
menu for the item you want to adjust
Video
Selects device connected to your video input (VCR, document camera, laser disk player or
DVD player).
S-Video
Selects device connected to S-Video input (Laser disk player, S-VHS VCR or DVD player).
Menu Descriptions & Functions
Source Menu
53
RGB
Selects computer connected to your RGB input.  Use the Adjust (+) or (Ð) buttons to
select a standard* or one of six** custom settings you can create and store. Press the En-
ter button on the cabinet or the Left Click button on the remote control to save your
selection.
NOTE: If a previously saved custom memory location is used with a new or different input signal
it may not sync up, producing a distorted image, or no image at all. If so, follow the instructions
below:
 1) Disconnect the signal cable so that there is no input signal. In this condition the on-screen
message will be displayed.
2) Select RGB standard from the source menu.
3) Connect the signal cable again.
NOTE:
* Standard is normally used and it can be user changed and automatically recalled.
** ÓCustom 6Ó is read only. This feature is useful when an SVGA image (800
2600) is displayed
with a notebook computer supported by XGA (10242768).
OPERATION54 
						

							Provides access to controls for your image and sound. Use the ÒSelectÓ button on the pro-
jector cabinet or (s) (t) buttons on your remote control to highlight the menu for the item
you want to adjust.
The volume, brightness, contrast, color, tint, sharpness and Image Mode controls are avail-
able for Video or S-Video sources.
The volume, brightness, contrast, horizontal position, vertical position and auto picture
controls are available for RGB source.
Volume
Use the ÒAdjustÓ (+) or (Ð) buttons to adjust the volume.
Brightness
Use the ÒAdjustÓ (+) or (Ð) buttons to adjust the brightness.
Contrast
Use the ÒAdjustÓ (+) or (Ð) buttons to adjust the contrast. Image Adjustment
Menu
55
Color*
 Use the ÒAdjustÓ (+) or (Ð) buttons to adjust the color.
Tint*
Use the ÒAdjustÓ (+) or (Ð) buttons to adjust the tint.
Sharpness*
Use the ÒAdjustÓ (+) or (Ð) buttons to adjust the sharpness.
Image Mode*
Use the ÒAdjustÓ (+) or (Ð) buttons to choose ÒNormalÓ for a regular picture ÒNaturalÓ for
true color reproduction, or ÒDocument CameraÓ for a document camera or other low APL
picture.
NOTE:
1) Flicker may appear on a freeze-frame picture with a Video or S-Video source. If this
happens, select the Document Camera mode using the Image mode icon on the Image
Adjustment Menu, and then adjust the contrast and other items for an optimal image.
2) A frame may freeze for a brief period of time when a video is played back in fast-forward or
fast-rewind with a Video or S-Video source. If this happens, select the Natural mode (for
cinema) using the Image Mode icon on the Image Adjustment Menu.
OPERATION56 
						

							Horizontal Position..
Use the ÒAdjustÓ (+) button to move the image right; (Ð) to move it left.
Vertical Position
..
Use the ÒAdjustÓ (+) button to move the image up; (Ð) to move it down.
Auto Picture
..
Use the ÒAdjustÓ (+) button to turn this feature on so ÒPictureÓ and ÒFine PictureÓ adjust-
ments are made automatically. Use the ÒAdjustÓ (Ð) button to turn this feature off so you can
make ÒPicture and Fine PictureÓ adjustments manually.
Picture Adjustment 
..(when AUTO PICTURE is off)
Use this icon with the ÒFine Picture AdjustmentÓ to fine tune the computer image or to
remove any vertical banding that might appear. This function adjusts the clock frequencies
to eliminate the vertical banding in the image. Press the ÒAdjustÓ (+) and (Ð) buttons until
the banding disappears. This adjustment may be necessary when you connect your compu-
ter for the first time. This adjustment is made automatically when the Auto Picture is turned
on.
57
Fine Picture 
..(when AUTO PICTURE is off)
Use this icon to adjust the clock phase or to reduce video noise, dot interference or cross
talk. (This is evident when part of your image appears to be shimmering.) Use the ÒAdjustÓ
(+) and (Ð) buttons to adjust the image. Use the Fine Adjustment only after the Picture
Adjustment is complete. This adjustment is made automatically when the Auto Picture is
turned on.
NOTE:
,Color, Tint, Sharpness and Image Mode controls will not work with an RGB source. The Tint
control will not work with a PAL or SECAM source.
,,Horizontal and Vertical position controls, and Picture, Fine Picture and Auto Picture
adjustments will not work with a Video or S-Video source.
OPERATION58