NEC Lt280 Portable Projector Users Manual

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6. Using On-Screen Menu
[Brightness]
Adjusts the brightness level or the back raster intensity.
[Contrast]
Adjusts the intensity of the image according to the incoming signal.
You have two options: Manual and Auto.
NOTE: The Auto Contrast function will not work when the on-screen menu or a message is displayed
[Sharpness]
Controls the detail of the image for Video (not valid for RGB and digital signals).
[Color]
Increases or decreases the color saturation level (not valid for RGB and digital signals).
[Hue]
Varies the color level from +/- green to +/-blue. The red level is used as reference. This adjustment is only valid for
Video, Component and TV standard inputs (not valid for RGB and digital signals).
[Reset]
The settings and adjustments for [Picture] will be returned to the factory settings with the exception of the following;
Preset numbers and [Reference] within the [Preset] screen.
The settings and adjustments under [Detail Settings] within the [Preset] screen that are not currently selected will not
be reset. 
						

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6. Using On-Screen Menu
[ Image Options ]
Adjusting Clock and Phase [Clock/Phase]
This allows you to manually adjust Clock and Phase.
Clock ..................... Use this item to fine tune the computer image or to remove any vertical \
banding that might appear. Th is
function adjusts the clock frequencies that eliminate the horizontal ban\
ding in the image.
This adjustment may be necessary when you connect your computer for the first time.
Phase .................... Use this item to adjust the clock phase or to reduce video noise, dot in\
terference or cross talk. (This is evident when part of your image appears to be shimmering.)
Use [Phase] only after the [Clock] is complete. 
						

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6. Using On-Screen Menu
Adjusting Horizontal/Vertical Position [Horizontal/Vertical Position]
Adjusts the image location horizontally and vertically.
Masking Unwanted Area [Blanking]
This feature allows you to mask any unwanted area of the screen image.
Selecting Overscan Percentage [Overscan]
Select overscan percentage (0%, 5% and 10%) for signal.
Projected image
Overscaned by 10% 
						

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6. Using On-Screen Menu
Input
Signal
Screen
Type
4:3 Screen
16:9 Screen4:3
4:3 Window
4:3 FillSqueeze
Wide Screen
Wide ScreenCrop
Letterbox 4:3 LetterboxLetterbox
Selecting Aspect Ratio [Aspect Ratio]
Screen Type  4:3 Screen Type  16:9
Aspect Ratio allows you to select the best Aspect mode to display your source image.
When screen type 4:3 is selected for the source, the following selections will display:
4:3 ......................... Standard 4:3 aspect
Letter Box .............. Reduced to display the true aspect with black borders on top and bottom
Wide Screen .......... Left & Right stretched with black borders on top and bottom
Crop ...................... Left & Right stretched. Left & Right sides cut. Available for 4:3 only.
When screen type 16:9 is selected for the source, the following selections will display:
4:3 Window ........... Reduced to display the true aspect with black borders on right and left
Letter Box .............. Standard 16:9 aspect
Wide Screen .......... Left and right stretched to display the true aspect
4:3 Fill ................... Stretched to display in 16:9 aspect ratio
NOTE: You can adjust image position vertically for a source with black borders on top and bottom. (→ page 85)
NOTE: 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] or [Screen] setting
may raise concern about the infringement of copyrights which are protected by copyright law.
NOTE: During 3D Reform adjustment, [Aspect Ratio] may not be available.
Should this happen, first reset the 3D Reform data and then do setting again. Second repeat the 3D Reform adjustment.
Changing the aspect ratio can limit 3D Reform in its adjustable range. 
						

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6. Using On-Screen Menu
[ V ideo ]
Turning On/Off 3 Dimension Separation [3D Y/C Separation]
This function turns on or off the 3 dimensional separation feature.
Off ............................... Turns off the function.
On Still ................. Recommended for a still image.
Normal ............ The projector detects and corrects the image automatically.
Movie .............. Recommended for a moving image.
TIP: When the image is poor quality , turn on [3D Y/C Separate]. If ther e is still poor quality, try tur ning off [Deinterlace] or tr y tur ning
off [3D Y/C Separate] and select [Normal] in [Deinterlace].
NOTE: This featur e is available for NTSC3.58 of Video signal only .
Setting Vertical Edges [Vertical Enhancer]
This function enhances the vertical edges around objects in the image.
NOTE: This function is not available for an RGB, HDTV and Component sign\
al.
Selecting Interlace or Deinterlace [Deinterlace]
This function allows you to select between Interlace and Deinterlace.
Off ............................... Project the interlaced signal.
On Still ................. Select when a still image is displayed. When this option is selected for\
 a moving image, jitter or arti facts
can be seen.
Normal ............ The projector automatically determines a still or moving image to displa\
y a clear picture. If selecting [Normal] causes excess jitter or artifacts, select [Movie].
Movie .............. Select when a moving image is displayed. This will eliminate jitter and \
artifacts in a moving image. This option is available only for SDTV.
Setting Telecine Mode [Telecine]
Use 3:2 pull down correction to eliminate jitter and artifacts in video.
NOTE: This feature is available only when [Deinterlace] is turned on and\
 an SDTV signal is selected.
Off ..................................... Turns off the Telecine mode.
On 2-2/2-3 Auto ......... Detects pull-down correction method.
2-2 On .................. Uses 2-2 pull-down correction method
2-3 On .................. Uses 2-3 pull-down correction method 
						

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6. Using On-Screen Menu
[Sound]
Controlling Sound [Volume/Bass/Treble/Balance]
Adjusts the volume, bass and treble level, left and right balance of the projector speaker and AUDIO OUT (Stereo Mini
Jack).
Enabling 3D Surround [3D Surround]
Turn on or off the 3D surround effect.
If the AUDIO OUT stereo mini jack of the projector is connected to an external equipment, adjusting the sound on the
external equipment can cause sound to be distorted or cracked, depending on the bass, treble or 3D Surround
adjustment. If this happnes, return the adjustments of the projector to the factory default (Bass:0, Treble: 0, 3D Sur-
round: 0). 
						

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6. Using On-Screen Menu
 Menu Descriptions & Functions [Setup]
[Basic]
Selecting Keystone Mode [Keystone]
This feature allows you to correct keystone distortion manually or automatically.
Selecting this item will display the Keystone setting menu.
Auto ...................... This feature allows the projector to detect its tilt and correct vertical distortion automatically.
Manual .................. You can correct vertical distortion manually from the menu.
Changes will be saved even when you turn off the projector.
Adjust .................... You can display the Keystone screen. (→ page 29)
NOTE: When [Cornerstone] is selected, [Adjust] is not available.
Selecting Cornerstone Mode [Cornerstone]
This option allows you to correct trapezoidal distortion.
Selecting this item will display the Cornerstone adjustment screen. (→ page 38)
NOTE: When [Keystone] is selected, [Cornerstone] is not available. 
						

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6. Using On-Screen Menu
Using the Wall Color Correction [Wall Color]
This function allows for quick adaptive color correction in applications where the screen material is not white.
The following nine options are available.
Setting Lamp Mode to Normal or Eco [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. Selecting Eco mode decreases fan noise compared to in Normal mode.
Normal Mode ........ This is the default setting (100% Brightness).
Eco Mode .............. Select this mode to increase the lamp life (80% Brightness).
NOTE: If the projector is overheated in Normal mode, there may be a case where the Lamp mode will be forced into the Eco mode to
protect the projector. This mode is called forced Eco mode.
During forced Eco mode cannot be changed from the menu.When the projector is in forced Eco mode, the picture brightness
decreases.
When the projector comes back to normal temperature, the Lamp mode returns to Normal mode.
The LAMP indicators steady green light indicates the lamp is in Eco mode.
Selecting Menu Mode [Menu Mode]
This feature allows you to select two menu modes: Basic Menu and Advanced Menu.
Basic Menu ........... This is the basic menu that contains minimum essentials of menus and commands.
Advanced Menu ..... This is the menu that contains all the available menus and commands.
Selecting Menu Language [Language]
You can choose one of 21 languages for on-screen instructions. 
						

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6. Using On-Screen Menu
[Menu]
Selecting Menu Color [Color Select]
You can choose a color for the menu.
Turning On / Off Source Display and Message [Display Select]
Source ................... This option turns on or off input name display such as Computer 1, Computer 2, Computer 3 (LT380 only),
Component, Video, and No Input to be displayed in the top right corner of the screen.
Message ................ This option turns on and off messages. Even though selecting [Off], the following message will appear.
* “The lamp has reached the end of its usable life. Please replace the lamp.” Press the EXIT button and the
message will disappear.
* “Projector is locked” When unlocking the projector security, the message will disappear.
Selecting Menu Display Time [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 or Logo for Background [Background]
Use this feature to display a blue/black screen or logo when no signal is available. The default background is blue. You
can change the logo screen using the Viewer feature. (→ pages 61)
[Security]
Disabling the Cabinet Buttons [Control Panel Lock]
This option turns on or off the Control Panel Lock function.
NOTE:
•This Control Panel Lock does not affect the remote control functions.
•When the control panel is locked, pressing and holding the EXIT button on the projector cabinet for about 10 seconds will change
the setting to [Off]. 
						

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6. Using On-Screen Menu
Setting a Password [Menu Lock] / [Logo Lock]
A password can be set for your projector to avoid operation by an unauthorized person.
When [Menu Lock] is set, changing the menu from Basic to Advanced will display the Password input screen.
When [Logo Lock] is set, doing any one of the following two operations will display the Password input screen.
•Changing the background either from or to [Logo]
•Changing the logo data in a PC card or USB memory.
[Entry]
To assign your password:
NOTE: Up to 15 alphanumeric characters can be assigned.
1. Type a password.
Select [On] and press the ENTER button.
The [Enter the Password] screen will be displayed.
Make sure that  is highlighted and then press the ENTER button.
The Software keyboard appears. Use the Software keyboard to type a password and then highlight [OK] on
the [Enter the Password] screen and press the ENTER button.
The [Confirm Password] screen will be displayed.
2. Type the same password again. Highlight [OK] on the [Enter the Password] screen and press the ENTER
button.
Your password will be assigned.
[Delete] :
To delete your password:
1. Select [Off] and press the ENTER button. The [Current Password] screen will be displayed.
2. Use the Software keyboard to type your password. Highlight [OK] on the [Current Password] screen and
then press the ENTER button.
Your password will be deleted.