NEC Lt180 Portable Projector Users Manual

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Menu Descriptions & Functions
Picture
You can adjust brightness, contrast, sharpness, color, hue, noise reduction and Telecine.
NOTE: When one of Brightness, Contrast, Sharpness, Color or Hue is highlighted, pressing the ENTER button will displayits slide bar for adjustment.
Brightness ...... Adjusts the brightness level or the black level of the image.
Contrast ......... Adjusts the intensity of the image according to the incoming signal (White level of the image).
Sharpness ..... Controls the detail of the image for Video.
Color .............. Increases or decreases the color saturation level (not valid for RGB).
Hue ................ Varies the color level from +/- green to +/-blue. The red level is used as reference. This
adjustment is only valid for Video and Component inputs (not valid for RGB).
Noise Reduction ....Turn on or off the noise reduction feature. To reduce video noise, select On.
NOTE:
•This feature is not available for 480p, 576p, 720p and non-1080i HDTV and RGB signals
•Noise reduction set to off gives best image quality by way of higher bandwidth. Noise reduction set to
on softens the image.
Telecine ......... Use 3:2 pull down correction to eliminate jitter and artifacts in video.
Auto: For film source such as a DVD player.
Off: For signals other than film sources.
NOTE: This feature is not available for 480p, 576p, 720p and non-1080i HDTV and RGB signals
Adjustment
You can adjust Wall Color, Color Management, Gamma Correction, Color Temperature and White Peaking.
Selecting Wall Color Correction Mode [Wall Color]
This function allows for quick adaptive color correction in applications where the screen material is not white.
The following eight options are available: Off, Blackboard, Light yellow, Light green, Light blue, Sky blue, Light
rose and Pink.
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Adjusting Color Management [Color Management]
This option allows you to adjust neutral tint for yellow, cyan or magenta. There are 5 factory presets optimized
for various types of images, you can set user adjustable settings.
Presentation .. Recommended for making a presentation using a PowerPoint file.
Video ............. Recommended for standard video such as a TV program.
Movie ............. Recommended for film based video such as a movie (DVD or HDTV).
Graphic .......... Recommended for viewing accurate colors in graphics.
sRGB ............. Standard color values.
Selecting Gamma Correction Mode [Gamma Correction]
Each mode is recommended for:
Dynamic ......... Creates a high-contrast picture.
Natural ........... Natural reproduction of the picture.
Black Detail .... Emphasizes detail in dark areas of the picture.
Adjusting Color Temperature [Color Temperature]
This option allows you to adjust the color temperature using the slide bar.
Move the slide bar to the right to increase the color temperature for a bluish image; to the left to decrease it for
a reddish image.
NOTE: The adjustable range may vary depending on White Peaking adjustment.
Adjusting White Peaking [White Peaking]
This allows you to adjust the drive level of the white areas. As the picture becomes dim, it looks more natural.
NOTE: When this option is highlighted, pressing the ENTER button will display its slide bar for adjustment.
Image
Correcting Vertical Keystone Distortion Manually [Keystone]
You can correct vertical distortion manually.
NOTE: When this option is highlighted, pressing the ENTER button will display its slide bar for adjustment.
Saving Vertical Keystone Correction [Keystone Save]
This option enables you to save your current keystone settings.
Off .................. Does not save current keystone correction settings
On .................. Saves current keystone correction settings
Saving your change once affects all sources. The changes are saved when the projector is off.
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5. USING ON-SCREEN MENU
Selecting Aspect Ratio [Aspect Ratio]
Aspect Ratio allows you to select the best Aspect mode to display your source image.
You can also display the Aspect Ratio window by pressing the ASPECT button on the remote control. (See
page E-7).
Normal
Standard
4:3 Aspect
When 16:9 is selected
from the source (i.e. DVD
player), the following
selections will display:
Normal
16:9 image
displayed in 4:3
modeCinema Native
Left and right
stretched
Cinema
Left and right
stretched to display
the true aspect
Native (RGB only): Turns off the Advanced AccuBlend feature. The projector displays the current image in its
true resolution.
NOTE:
•When you are displaying an RGB image with a higher resolution than the projectors native resolution, the image will be
displayed in Normal even if Native is selected. (Advanced Accublend will be incorporated)
Only when displaying an RGB image with a lower resolution than the projectors native resolution, will the image be able to
be displayed in its true resolution Native.
•When Normal is selected, an HDTV (1080i/720p) signal will be shown in its true aspect, as is the case when selecting
Cinema.
•You can adjust the image position for Cinema aspect. See “Cinema Position” for setting the image position.
Copyright
Please note that using this projector for the purpose of commercial gain or the attraction of public attention in a venue such as
a coffee shop or hotel and employing compression or expansion of the screen image with a Aspect Ratio setting may raise
concern about the infringement of copyrights which are protected by copyright law.
Adjusting the Vertical Position of Image [Cinema Position] (for Cinema only)
This feature adjusts the vertical position of the image when viewing video with Cinema aspect ratio selected.
When “Cinema” is selected in “Aspect Ratio”, the image is displayed with black borders on the top and bottom.
You can adjust the vertical position between top and bottom.
NOTE: This option is available only when “Cinema” is selected in Aspect Ratio.
When 4:3 is selected
from the source (i.e. DVD
player), the following
selections will display: 
						

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5. USING ON-SCREEN MENU
Setting Off Timer [Off Timer]
You can use the Off Timer feature to turn off the projector automatically at a preset time.
Eight preset times can be selected:Off, 0:30, 1:00, 2:00, 4:00, 8:00, 12:00 and 16:00.
Selecting Lamp Mode [Lamp Mode]
This feature enables you to select two brightness modes of the lamp: Normal and Eco modes. The lamp life
can be extended by using the Eco mode.
Normal Mode ...This is the default setting (100% Brightness).
Eco Mode ...... Select this mode to increase the lamp life and reduce fan noise (80% Brightness).
Selecting Menu Language [Language]
You can choose one of 20 languages for the on-screen menu.
Selecting Menu Color [Menu Color Select]
You can choose between two color modes for menu color: color and monochrome.
Selecting Menu Display Time [Menu Display Time]
This option allows you to select how long the projector waits after the last touch of a button to turn off the
menu.
The preset choices are “Manual”, “Auto 5 sec”, “Auto 15 sec”, and “Auto 45 sec”. The “Auto 45 sec” is the
factory preset.
Selecting a Color for Background [Background]
Use this feature to display a blue/black screen when no signal is available. Adjusting Horizontal/Vertical Position, Clock and Phase [Position/Clock]
You can adjust the image manually for position and stability; “Horizontal”, “Vertical”, “Clock” and “Phase”.
[Horizontal/Vertical]
Adjusts the image location horizontally and vertically.
[Clock] (available for RGB signal only)
Use this item to fine tune the computer image or to remove any vertical banding that might appear. This
function adjusts the clock frequencies that eliminate the horizontal banding in the image. This adjustment
may be necessary when you connect your computer for the first time.
[Phase] (available for RGB signal only)
Use this item 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 “Phase” only after the “Clock” is complete.
Setup 
						

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Preventing the Unauthorized use of the projector [Security]
A keyword can be set for your projector to avoid operation by an unauthorized user using the Menu. When a
keyword is set, turning on the projector will display the Keyword input screen. Unless the correct keyword is
entered, the projector cannot project an image.
To enable the Security function:
1. Select [Advanced] → [Security] and press the ENTER button.
The Off/On menu will be displayed.
5. USING ON-SCREEN MENU
Selecting Projector Orientation [Orientation]
This sets your image for your type of projection application. The options are:
desktop front projection, ceiling rear projection, desktop rear projection, and ceiling front projection.
Selecting Communication Speed [Communication Speed]
This feature sets the baud rate of the PC Control port (Mini DIN 8 Pin). It supports data rates from 4800 to
38400 bps.
The default is 38400 bps.
Select the appropriate baud rate for your equipment to be connected (depending on the equipment, a lower
baud rate may be recommended for long cable runs).
Advanced 
						

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5. USING ON-SCREEN MENU
2. Select “On” and press the ENTER button.
The [Keyword] screen will be displayed.
3. Type in a combination of the four SELECT 

 buttons and press the ENTER button.
NOTE: A keyword must be four to 10 digits in length.
The [Confirm Keyword] screen will be displayed.
4 Type in the same combination of SELECT 

 buttons and press the ENTER button.
The confirmation screen will be displayed.
5. Select “Yes” and press the ENTER button.
The Security function has been enabled. 
						

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To disable the Security function:
1. Select [Advanced] → [Security] and press the ENTER button.
The Off/On menu will be displayed.
2. Select “Off” and press the ENTER button.
The Keyword confirmation screen will be displayed.
3. Type in your keyword and press the ENTER button.
When the correct keyword is entered, the Security function will be disabled.
When the Security function is enabled and the projector is turned on, the projector will display a blue back-
ground.
To display an image at this time, press the MENU button to display the Keyword input screen.
Type in the correct keyword and press the ENTER button. The projector will display an image.
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NOTE:
•The security disable mode is maintained until the main power is turned off (by setting the main power switch to “O” or
unplugging the power cable).
•If you forget your keyword, contact your dealer. Your dealer will provide you with your keyword in exchange for your
request code. Your request code is displayed in the Keyword Confirmation screen. In this example “K992-45L8-JNGJ-
4XU9-1YAT-EEA2” is a request code.
Disabling the Cabinet Buttons [Cabinet Button]
This option turns on or off the Key Lock function for cabinet buttons.
NOTE:
•The Cabinet Buttons setting will not affect the remote control or PC Control Functions.
•When the cabinet buttons are disabled, pressing and holding the EXIT button for about 10 seconds will change the
setting to enable.
Enabling Fan Speed Mode [Fan Mode]
This option allows you to select two modes for fan speed: Auto mode and High speed mode.
Auto ............... The built-in fans automatically run at a variable speed according to the internal temperature.
High ............... The built-in fans run at a fixed high speed.
When you wish to cool down the temperature inside the projector quickly, select “High”.
NOTE: It is recommended that you select High speed mode if you continue to use the projector for consecutive days.
Enabling Power Management [Power Management]
When this option is selected you can enable the projector to automatically turn off (at the selected time) if
there is no signal received by any input.
Selecting Signal Format [Signal Select]
[Computer]
Normally select “RGB/Component” and the projector automatically detects a component signal. Select “Scart”
for the European Scart signal.
[Video & S-Video System Select]
This feature enables you to select composite video standards automatically or manually.
Normally select “Auto” and the projector will automatically detect the video standard.
In the case where the projector has difficulty detecting the video standard, select the appropriate video stan-
dard from the menu.
This must be done for Video and S-Video respectively.
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Information
Displays the status of the current signal and lamp usage. This item has three pages. The information included is
as follows:
[Page 1]
Remaining Lamp Time (%)*
Lamp Hour Meter (H)
Projector Usage (H)
* The progress indicator shows the percentage
of remaining bulb life.
The value informs you of the amount of lamp
usage. When the remaining lamp time
reaches 0, the Remaining Lamp Time bar in-
dicator changes from 0% to 100 Hours and
starts counting down.
If the remaining lamp time reaches 0 hours,
the projector will not turn on regardless of
whether the lamp mode is set to Normal or
Eco.[Page 2]
Horizontal Frequency
Vertical Frequency
Sync Polarity
Video Type
Sync Type
Interlace
[Page 3]
BIOS Version
Firmware Version
Data Version
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Reset
Returning to Factory Default [Factory Default]
The Factory Default feature allows you to change adjustments and settings to the factory preset for a (all)
source (s) except the following:
[Current Signal]
Resets the adjustments for the current signal to the factory preset levels.
All the items in “Picture”, “Adjustment (except “Wall Color”)” and “Image (except “Keystone” and “Keystone
Save”)” can be reset.
[All Data]
Reset all the adjustments and settings for all the signals to the factory preset.
All items can be reset except Language, Background, Communication Speed, Security, Remaining Lamp
Time, Lamp Hour Meter, and Projector Usage.
To reset the lamp usage time, see “Clear Lamp Hour Meter”.
Clearing Lamp Hour Meter [Clear Lamp Hour Meter]
Resets the lamp clock back to zero. Selecting this option displays submenu for a confirmation.
NOTE: The projector will turn off and go into standby mode after 2100 hours (up to 3100 hours in Eco mode) of service. If
this happens, press the HELP button on the remote control for ten seconds to reset the lamp clock back to zero. Do this
only after replacing the lamp.
5. USING ON-SCREEN MENU