NEC Lt180 Portable Projector Users Manual

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Adjustable Tilt Foot
Adjusting the Tilt Foot
1. Lift the front edge of the projector.
2. Push up the Adjustable Tilt Foot Lever on the front side of the projector to extend the adjustable tilt foot
(maximum height).
3. Push down the Adjustable Tilt Foot Lever.
4. Lower the front of the projector to the desired height and release the Adjustable Tilt Foot Lever to lock the
Adjustable tilt foot. There is approximately 10 degrees of tilt “UP” adjustment for the front of the projector.
CAUTION
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.
Zoom
Use the Zoom lever to finely adjust the image size on the screen.
Adjustable Tilt Foot Lever
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3. PROJECTING AN IMAGE (BASIC OPERATION) 
						

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NOTE: Keystone angle can be corrected between 15 degrees upward and 15 degrees downward of projector tilt from level.
To correct keystone distortion using the KEYSTONE +/- button:1. Press the KEYSTONE +/- button once to display the slide bar for adjustment.
2. Press the KEYSTONE + or - to correct the keystone distortion.
Focus
Use the Focus ring to obtain the best focus.
Correcting the Vertical Keystone Distortion
The Keystone correction feature will correct the vertical distortion of a projected image on the screen.
MENUUP KEYSTONE PAGEOFF
POWERON
PIC-MUTE
DOWN
3. PROJECTING AN IMAGE (BASIC OPERATION)
You can also correct keystone distortion by using the menu.1. Press the MENU button to display the menu.
2. Use the SELECT 
G or H to select “Image” and then “Keystone”.
NOTE: When this option is highlighted, pressing the ENTER button will display its slide bar for adjustment.
3. Press the SELECT 
F or E to correct the keystone distortion.
NOTE: You can save changes by using “Keystone Save” feature when you turn off the projector. See page E-35. 
						

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Optimizing an RGB Image Automatically
Adjusting the Image Using Auto Adjust
Optimizing an RGB image automatically
Press the AUTO ADJ. button to optimize an RGB image automatically.
[Poor picture]
[Normal picture]
Press the AUTO ADJ. button to fine-tune the computer image or to remove any vertical banding that might
appear and to reduce video noise, dot interference or cross talk (this is evident when part of your image appears
to be shimmering). This function adjusts the clock frequencies that eliminate the horizontal banding in the image.
This function also adjusts the clock phase to reduce video noise, dot interference or cross talk. (This is evident
when part of your image appears to be shimmering.)
This adjustment may be necessary when you connect your computer for the first time.
NOTE:
•Some signals may not be displayed correctly or take time.
•The Auto Adjust function does not work for component and video signals.
•If the Auto Adjust operation cannot optimize the RGB signal, try to adjust Clock and Phase manually. See page E-37.
Turning Up or Down Volume
Sound level from the speaker can be adjusted.
increase volume decrease volume
LAMP
STATUS
POWER
ON/STAND BY
SELECTSOURCE
AUTO
ADJ.VOLUMES-VIDEOVIDEO
AUTO ADJ.
NOISE RED.
COMPUTER
COMPONENT
ASPECT HELP
FREEZE PICTURE
Remote controlCabinet controls
LAMP
STATUS
POWER
AUTO
ADJ.ON/STAND BYSOURCESELECT
VOLUMES-VIDEOVIDEO
AUTO ADJ.
NOISE RED.
COMPUTER
COMPONENT
ASPECT HELP
FREEZE PICTURE
Remote controlCabinet controls
increase volume
decrease volume
NOTE: When no menus appear, the SELECT  and  buttons on the projector cabinet work as a volume control.
3. PROJECTING AN IMAGE (BASIC OPERATION) 
						

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MENUUP KEYSTONE PAGEOFF
POWERON
PIC-MUTE
DOWN
Remote controlCabinet controls
POWER
STATUS
LAMP
POWER
POWER
STATUSLAMP
STATUSLAMP
Power On Fan running Standby
Steady green light Blinking orange
lightSteady orange
light
NOTE: To avoid premature lamp failure, wait at least 5 minutes before turning on or off the projector.
3. PROJECTING AN IMAGE (BASIC OPERATION)
Second, press the ENTER button or press the ON/STAND BY or the POWER OFF button again.
The POWER indicator will glow orange. After the projector turns off, the cooling fans keep operating for 60
seconds (Cooling-off time).
Immediately after turning on the projector and displaying an image, you cannot turn off the projector for 60
seconds.
Third, turn off the Main Power switch. The POWER indicator will go out.
CAUTION
Do not unplug the power cable from the wall outlet or do not turn off the main power 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 projec-
tor is turned off).
Turning off the Projector
To turn off the projector:
First, press the ON/STAND BY button on the projector cabinet or the POWER OFF button on the remote control.
The “Power Off / Are you sure?” message will appear. 
						

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After Use
Preparation: Make sure that the projector’s main power is off.1. Unplug the power cable.
2. Disconnect any other cables.
3. Retract adjustable tilt foot if extended.
4. Cover the lens with the lens cap.
5. Put the projector and its accessories in the supplied soft case.
3. PROJECTING AN IMAGE (BASIC OPERATION) 
						

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VOLUMES-VIDEOVIDEO
AUTO ADJ.
NOISE RED.
COMPUTER
COMPONENT
ASPECT HELP
FREEZE PICTURE
4. CONVENIENT FEATURES
Turning Off the Image and Sound
Press the PIC-MUTE button to turn off the image and sound for a short period of time. Press again to restore the
image and sound.
Freezing a Picture
Press the FREEZE button to freeze a picture. Press again to resume motion.
Reducing Video Noise (Noise Reduction)
You can reduce video noise by using the NOISE RED. button on the remote control.
To reduce video noise, press the NOISE RED. button to turn on the Noise Reduction feature.
You can also reduce video noise by using the menu. See page E-34.
MENUUP KEYSTONE PAGEOFF
POWERON
PIC-MUTE
DOWN
VOLUMES-VIDEOVIDEO
AUTO ADJ.
NOISE RED.
COMPUTER
COMPONENT
ASPECT HELP
FREEZE PICTURE
4. CONVENIENT FEATURES 
						

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4. CONVENIENT FEATURES
VOLUMES-VIDEOVIDEO
AUTO ADJ.
NOISE RED.
COMPUTER
COMPONENT
ASPECT HELP
FREEZE PICTURE
Getting the Information on Lamp Usage and Projector Usage
You can view various information such as status of the remaining lamp time, lamp hour meter and projector
usage. 
						

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5. USING ON-SCREEN MENU
Using the Menus
NOTE: The on-screen menu may not be displayed correctly while interlaced motion video image is projected.
1. Press the MENU button on the remote control or projector cabinet to display the main menu.
2. Press the SELECT 
GH buttons on the remote control or the projector cabinet to highlight the menu for the
item you want to adjust or set.
3. Press the ENTER button on the remote control or the projector cabinet to select a submenu or item.
4. Use the SELECT 
GH buttons on the remote control or the projector cabinet to select the item you want to
adjust or set.
AUTO
ADJ.SELECTSOURCE
AUTO
ADJ.
SOURCESELECT
AUTO
ADJ.SELECTSOURCE
AUTO
ADJ.
SOURCESELECT
Highlight
Indicates the selected menu or item.
5. USING ON-SCREEN MENU 
						

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5. USING ON-SCREEN MENU
6. Repeat steps 2-5 to adjust an additional item, or press the EXIT button several times to close the menu.
Slide bar
Solid triangle
Return key symbol
Radio button
For Adjusting items (Slide bar)
Slide bar ........ Indicates settings or the direction of adjustment.
• Use the SELECT  buttons to adjust the item.
For Selecting items (Solid triangle)
Solid triangle .. Indicates further choices are available. A highlighted triangle indicates the item is active.
• Use the SELECT  buttons to select the item.
For Selecting items (Return key symbol, Radio button)
Return key symbol ........ Indicates further choices are available.
Radio button ................. Use this round button to select an option in a dialog box.
1) Press the ENTER button. The selected item will be displayed.
2) Use the SELECT 
 buttons to highlight the item you want to set.
Changes are stored until you adjust it again.
Press the EXIT button to return to the previous screen.
AUTO
ADJ.
SELECT
AUTO
ADJ.SELECTSOURCE
5. Adjusting the level of a selected item or selecting an item.
NOTE: Menu windows have the following elements.

 Source ............................................... Indicates the currently selected source. Off Timer remaining time ................... Indicates the remaining countdown time when the Off Timer is preset. Key symbol........................................
Indicates the Cabinet Button is locked.

 
						

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Picture
Brightness
Contrast
Sharpness
Color
Hue
Noise Reduction Off, On
Telecine Off, Auto
Information
Page 1 Remaining Lamp Time, Lamp Hour Meter, Projector Usage
Page 2Horizontal Frequency, Vertical Frequency, Sync Polarity, Video Type, Sync Type,
Interlace
Page 3 BIOS Version, Firmware Version, Data Version
Reset
Factory Default Current  Signal
All Data
Clear Lamp Hour Meter
NOTE: Some menu items may not be available depending on the input source.
5. USING ON-SCREEN MENU
Image
Keystone
Keystone Save Off, On
Aspect Ratio Normal, Cinema, Native
Cinema Position
Position/Clock
Horizontal
Vertical
Clock
Phase
Setup
Off Timer Off, 0:30, 1:00, 2:00, 4:00, 8:00, 12:00, 16:00
Lamp Mode Normal, Eco
Language Page-1: English, Deutsch, Français, Italiano, Español, Português, Nederlands
Page-2: Svenska, Norsk, Suomi,  
Cestina, Magyar, Polski, Türkçe
Page-3: , , , , , Dansk
Menu Color Select Color, Monochrome
Menu Display Time Manual, Auto 5 sec, Auto 15sec, Auto 45 sec
Background Blue, Black
Orientation Desktop Front, Ceiling Rear, Desktop Rear, Ceiling Front
Communication Speed 4800, 9600, 19200, 38400 Adjustment
Wall Color Off, Blackboard, Light yellow, Light green, Light blue, Sky blue, Light rose,
Pink
Color Management Presentation, Video, Movie, Graphic, sRGB
Gamma Correction Dynamic, Natural, Black Detail
Color Temperature
White Peaking
Advanced
Security Off, On
Cabinet Button Unlock, Lock
Fan Mode Auto, High
Power Management Off, 0:05, 0:10, 0:20, 0:30
Signal Select
Computer RGB/Component, Scart
Video Auto, NTSC3.58, NTSC4.43, PAL, PAL-M, PAL-N, PAL60, SECAM
S-Video Auto, NTSC3.58, NTSC4.43, PAL, PAL-M, PAL-N, PAL60, SECAM
List of Menu Items