NEC Lt245 Portable Projector Users Manual

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NOTE:
*When Presentation is selected in Reference, this function is not available.
*When White Balance settings has been changed, the color temperature value on screen does not reflect the real color
temperature.
Adjusting Brightness of White Area [White Peaking]
Adjust the brightness of the white areas by using the slide bar. As the picture becomes dim, it looks more natural.
[Black Expansion]
Automatically minimizes blacks that appear more like shades of gray to provide a true black and white image. The
On is the factory preset.
NOTE: This feature is not available for Scart, 480p, 576p, HDTV and RGB signals.
[Page 2]
Adjusting White Balance [White Balance]
This allows you to adjust the white balance. Brightness for each color (RGB) is used to adjust the black level of the
screen; Contrast for each color (RGB) to adjust the white level of the screen.
[Page 3]
Selecting Color Correction [Color Correction]
Adjusts red, green, blue, yellow, magenta and cyan each independently to correct the tint of the whole screen.
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Selecting Signal Type [Signal Type]
Select either the computer signal type or the component signal type.
RGB ....................... Computer signal
Component ............ Component signals such as Y/Cb/Cr, Y/Pb/Pr
NOTE: This feature is available on the computer signal only. If you do not get a better picture even when you set Signal Select to
Component in Setup, set this to Component.
Selecting Video Filter Level [Video Filter] (not available for Video, Viewer and LAN)
This function reduces video noise.
Off ......................... The filter is removed.
Less ...................... The low-pass filter is applied partially.
More ...................... The low-pass filter is applied fully.
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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. 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 .................... 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.
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.
Adjust the Top, Bottom, Left or Right blanking with the SELECT  or  button.
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Selecting Resolution [Resolution]
This allows you to activate or deactivate the Advanced AccuBlend feature.
Auto ...................... Turns on the Advanced AccuBlend feature. The projector automatically reduces or enlarges the current
image to fit the full screen.
Native .................... Turns off the Advanced AccuBlend feature. The projector displays the current image in its true resolution.
See Auto Adjust on page 107 for turning on or off the Auto Adjust feature.
NOTE:
*When Resolution is set to Native, Overscan, 3D Reform, Aspect Ratio and Screen are not available.
*While you are displaying an image with the projectors native resolution or higher, Resolution is not available.
Selecting Overscan Percentage [Overscan]
Select overscan percentage (0%, 5% and 10%) for signal.
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Video
Selecting Noise Reduction Level [Noise Reduction]
(not available for COMPUTER1/2, Viewer and LAN; available for TV standard inputs)
Select one of the three levels for reducing video noise: Low, Medium or High.
NOTE: The lower the Noise Reduction level, the better the image quality by way of higher video bandwidth.
Selecting Color Matrix [Color Matrix]
(not available for COMPUTER1/2, Viewer and LAN; available for TV standard inputs)
Select an appropriate color matrix for your input signal, either HDTV or SDTV.
Turning On/Off 3 Dimension Separation [3D Y/C Separation]
This function turns on or off the 3 dimensional separation feature.
NOTE: This feature is available for NTSC3.58 of Video signal only.
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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 and Component signal.
Selecting Interlace or Deinterlace [I/P Converter]
This function allows you to select between Interlace and Deinterlace.
Deinterlace (Auto) ....... The projector automatically determines a still or moving image to display a clear picture. If selecting
Deinterlace (Auto) causes excess jitter or artifacts, select Interlace.
Deinterlace (Still) ......... Select when a still image is displayed. When this option is selected for a moving image, jitter or artifacts
can be seen.
Interlace ...................... Select when a moving image is displayed. This will eliminate jitter and artifacts in a moving image.
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 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. See page 33 for more details.
NOTE: When Cornerstone is selected, Adjust is not available.
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Selecting Cornerstone Mode [Cornerstone]
This option allows you to correct trapezoidal distortion.
Selecting this item will display the Cornerstone adjustment screen.
See page 43 for more details.
NOTE: When Keystone is selected, Cornerstone is not 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 up to 4000 hours 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).
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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Menu
Selecting Menu Color [Menu 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 1/2, 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.
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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.
Manual .................. The menu can be turned off manually.
Auto 5 sec ............. The menu will automatically be turned off in 5 seconds if no buttons are pressed within 5 seconds.
Auto 15 sec ........... The menu will automatically be turned off in 15 seconds if no buttons are pressed within 15 seconds.
Auto 45 sec ........... The menu will automatically be turned off in 45 seconds if no buttons are pressed within 45 seconds.
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. See pages 70.
Security
Disabling the Cabinet Buttons [Cabinet Button]
This option turns on or off the Cabinet Button Lock function.
NOTE:
•This Cabinet Button Lock does not affect the remote control functions.
•When the cabinet buttons are locked, pressing and holding the EXIT button for about 10 seconds will change the setting to
unlock.
6. Using On-Screen Menu