NEC Lt245 Portable Projector Users Manual

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Screen
8. Press the ENTER button.
4. Convenient Features
10.Press the SELECT  or  button to highlight the [OK] and press the ENTER button.
This completes the keystone correction.
Selecting “Cancel” will return to the adjustment screen without saving changes (Step 3).
Selecting Reset will return to the factory default.
Selecting Undo will exit without saving changes.
NOTE: To reset the 3D Reform correction setting values, press and hold the 3D REFORM button for a minimum of 2 seconds.
NOTE: During 3D Reform adjustment, Aspect Ratio and Screen may not be available. Should this happen, first reset the 3D
Reform data and then do each setting. Second repeat the 3D Reform adjustment. Changing Aspect Ratio and/or Screen setting
can limit 3D Reform in its adjustable range.
Screen
9. Use the SELECT 
 button to select another icon which points in the direction.
On the Cornerstone adjustment screen, select “Exit” or press the EXIT button on the remote control.
The confirmation screen is displayed. 
						

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4. Convenient Features
*The following are conditions under which the maximum angle is achived:
•Image is projected in Wide (Zoom lever)
•Resolution is XGA
Higher resolution than XGA narrows the adjustable range.
•Menu items should be set as follows:
Aspect Ratio ........... 4:3
Screen Type ........... 4:3
•Horizontal and Vertical are adjusted separately.
A combination of both adjustments narrows the adjustable range.
•When 4:3 Fill is selected in Aspect Ratio, Cornerstone and Horizontal Keystone are not available.
NOTE:
•If the Cornerstone screen is unavailable (grayed), press and hold the 3D REFORM button for a minimum of 2 seconds to reset
the current correction data. The Cornerstone function becomes available.
•Turning on the projector will reset the previous correction setting values and correct distortion anew if the projection angle is
changed from the last use.
    If the projection angle is the same as in the last use, the previous correction setting values are retained  in the memory.
To use the previous correction setting values after changing projection angle, select Manual in Keystone from the menu. See
page 90.
NOTE: The 3D Reform feature can cause an image to be slightly blurred because the correction is made electronically.
Horizontal Vertical
Cornerstone Max. +/– 35° approx.
Keystone LT265: Max. +/– 35° approx.
LT245: Max. +/– 30° approx.
Max. +/– 40° approx. The adjustable ranges for 3D Reform are as follows: 
						

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4. Convenient Features
	 Making Freehand Drawings on a Projected Image
(ChalkBoard)
The ChalkBoard feature allows you to write and draw messages on a projected image.
NOTE: The ChalkBoard feature is available only when a USB mouse is used.
To display the ChalkBoard tool bar, click the middle button on your mouse or select ChalkBoard from the menu.
The tool bar contains the following icons.

 Drag ................. Drags to move the tool bar.
 Pen ................... Left-click and drag to draw. Left-click 
 or right-click the pen icon to display the pen palette containing four
lines of different thickness from which you can select a line you prefer by left-clicking.
 Color ................ Selects a color. Left-click to display the color palette from which you can select a color you prefer by left-
clicking.
 Capture ............. Left-click to capture a drawing on the ChalkBoard screen and save it to your PC-card inserted into the PC
card slot of the projector.
 Eraser ............... Left-click and drag to erase part of a drawing. Left-click 
 or right-click the eraser icon to display the eraser
palette containing four erasers of different thickness from which you can select an eraser you prefer by left-
clicking.
 Clear ................. Left-click to clear the drawing completely from the ChalkBoard screen.
 Hide .................. Hides the tool bar by left-clicking. Right-clicking anywhere on the screen displays the ChalkBoard tool bar
again.

 Exit ................... Clears the complete drawing and exits the ChalkBoard.
NOTE:
•The menu is not available while you display the ChalkBoard screen.
•Selecting another source or switching slides in the Viewer clears a drawing completely.



 
						

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4. Convenient Features
 Storing Images Displayed on the Projector on the PC card or
USB memory (Capture)
The Capture features allows you to capture an image from a source that is currently being displayed. The image is
saved as JPEG in the PC card or USB memory.
NOTE:
•Unless a PC card or USB memory is inserted into the PC Card slot or USB port of the projector, the Capture feature is not
available.
•The Card Error display means that the free space of the PC card or USB memory is insufficient for saving images. Make more
space available on the card by erasing unwanted images with your PC. The number of images that can be captured depends on
the size of the PC card.
•Be sure not to turn off the power or remove the PC card or USB memory while capturing an image. Doing so could cause a
loss of the data in the PC card or USB memory or damage to the card itself.
Preparations:
Insert the PC card into the PC card slot or USB memory into USB port of the projector.
Insert the PC card so that the end with the insertion direction arrow on the top goes in first.
* Press the eject button to eject the card.
1. Project the image you wish to store on the projector.
2. Press the FREEZE button on the remote contorol.
3. Press the MENU button to display the Capture menu.
Capture .................. Captures an image and save it as a JPEG file in a PC card or USB memory.
Drive ...................... Select the PC Card or USB memory. You can capture an image and save it to your PC card or USB memory.
Exit ........................ Exits the Capture function. Another option to exit the Capture function is to press the MENU or EXIT button
on the remote control or projector cabinet.
NOTE:
Captured images with higher resolution than the projectors native resolution cannot be displayed correctly.
•File size of the captured image varies depending on the resolution of an input signal.
•An hourglass indicating that an image is being captured appears on the projectors display. Do not eject the PC card or turn off
the projectors power while this icon is displayed. Doing so will damage the PC card data. If the PC card data is damaged, use a
computer to repair the data. 
						

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4. Convenient Features
 Preventing Unauthorized Use of the Projector
Assigning a keyword prevents the projector from being used by unauthorized individuals.
Assigning a Keyword for the first time
1. Press the MENU button.
The menu will be displayed.
2. Press the SELECT  button to highlight the Setup submenu and press the ENTER button.
The page tab “Basic” will be highlighted.
3. Press the SELECT  button twice to highlight the page tab “Security”. 
						

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4. Convenient Features
4. Press the SELECT  button four times to highlight “Security”.
5. Press the ENTER button to display the Security screen.
6. Press the ENTER  button once to highlight the Keyword entry box and press the ENTER button.
The Software keyboard will be displayed. 
						

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4. Convenient Features
7. Enter an alphanumeric keyword using the Software keyboard
For example, to enter “1234”, follow the steps 7-1 to 7-4 below.
NOTE:
• Please make a note of your keyword.
• Do not use spaces (SP) in your keyword.
7-1. Highlight the number “1” and press the ENTER button.
The asterisk “
” will be displayed in the Keyword entry box.
7-2. Press the SELECT 
 button once to highlight “2” and press the ENTER button.
The asterisk “
” will be displayed in the Keyword entry box.
7-3. For “3” and “4”, use the same procedure as step 7-2.
The asterisk “
” will be displayed in the Keyword entry box.
7-4. Press the SELECT 
 button to highlight “OK” and press the ENTER button.
The Software keyboard will disappear.
8. Press the SELECT 

 button once to highlight “Disable” and press the SELECT  button to highlight
“Enable”.
9. Press the SELECT  button to highlight “OK” and press the ENTER button.
The confirmation screen will be displayed.
10.Press the ENTER button.
The Security Function is now enabled.
NOTE: A PC card can be used as a protect key. You can skip the keyword entry by inserting a registered PC card when turning on
the projector. See page 96. 
						

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Checking If Security is enabled
Turn off the projector and turn it back on to check if the Security function is enabled.
1. Press the POWER (ON/STANDBY) button.
The Power Off / Are you sure? message will appear.
Press the ENTER button or the POWER (ON/STANDBY) or the POWER OFF button again.
The lamp lights off and the POWER indicator flashes orange. Please wait until the POWER indicator changes
from flashing to steady light.
2. When the POWER indicator lights steady orange, push the Main POWER switch to the off position (O).
The projector will turn off.
3. Push the Main POWER switch to the on position (I).
The POWER indicator lights orange. The projector is in standby condition.
4. Press and hold the POWER (ON/STANDBY) button for a minimum of two seconds.
The projector will turn on. The “Projector is locked! Enter your keyword.” message will be displayed at the bottom
of the screen.
5. Press the MENU button.
The Keyword entry screen will be displayed
6.Press the ENTER button.
The Software keyboard will be displayed.
7. Use the same procedures as steps 1 to 7 described in the “Assigning a Keyword for the first time”
section to enter “1234”.
Each time one number is entered, an “
” (asterisk) will appear. Keyword appears as asterisks so the real
keyword is hidden.
8. After entering your keyword, highlight “OK” and press the ENTER button.
The Software keyboard will disappear. This will allow you to operate the projector.
4. Convenient Features 
						

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Disabling the Security
1. Press the MENU button.
The on-screen menu will be displayed.
NOTE: Immediately after the projector has been turned on and the “Projector is locked! Enter your keyword.” message is
displayed at the bottom of the screen, pressing the MENU button will display the Keyword entry will be displayed. At this
time, pressing the MENU button will display the on-screen menu.
2. Press the SELECT 
 button to highlight “Setup” and press the ENTER button.
The page tab “Basic” will be highlighted.
3. Press the SELECT 
 button twice to highlight the page tab “Security”.
4. Press the SELECT 
 button four times to highlight “Security” and press the ENTER button.
The Keyword entry screen will be displayed
5. Press the ENTER button.
The Software keyboard will be displayed.
6. Use the same procedures as steps 1 to 7 described in the “Assigning a Keyword for the first time”
section to enter “1234”.
Each time one number is entered, an “
” (asterisk) will appear. Keyword appears as asterisks so the real
keyword is hidden.
7. After entering your keyword, highlight “OK” and press the ENTER button.
The Software keyboard will disappear. The Security screen will be displayed.
8. Highlight “Enable” and press the SELECT 
 button to highlight “Disable”.
9. Press the SELECT 
 button to highlight “OK” and press the ENTER button.
The Security Function is now disabled.
NOTE: Do not forget your keyword. However, if you forget your keyword, NEC or your dealer will provide you with your Release
Code.
4. Convenient Features 
						

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4. Convenient Features

 Using a USB Memory Device or USB Memory Card Reader
The projector is compatible with either a USB memory device or
USB memory card reader which supports the viewer and security
features.
•To use a USB memory device or USB memory card reader,
connect the device to the USB port (type A).
•Select one of the drive icons for your USB memory in a pane
on the left side of the Viewer window.
•To use a USB memory device as a Protect key for Security
function, select one from the Drive icons in the Security setting
screen. See page 95.
NOTE:
•Some USB memory devices (brands) or USB memory card readers may not work.
•The projector does not support NTFS formatted flash memory card or USB memory device.
Be sure to use a flash memory card or USB memory device formatted with the FAT32, FAT16 or FAT file system.
To format your flash memory card or USB memory device in your computer, refer to the document or help file that comes with
your Windows.
•You cannot use a USB memory device and a USB memory card reader when connecting a USB mouse to the projector.
•Do not do the following while the USB memory device or USB memory card reader’s access indicator is lit or flashing (while
data is being accessed.) Doing so can damage your USB memory device or USB memory card reader in the reader. Back up
your data in case it will need to be restored.
*Pulling out the USB memory device or USB memory card reader from the USB port of the projector.
*Pulling out the memory card from the USB memory card reader
*Turning off the main power switch or unplugging the power cable.
•The drive for ”USB 1-4” is displayed only when the USB memory device or USB memory card reader is connected to the
projector. The drive for “USB 1-4” may be displayed differently from the one in the USB memory card reader.
•Some USB memory devices (brands) or USB memory card readers cannot be used as Protect key for the projector’s Security
function.
CAUTION: Do not insert a USB memory device or USB memory card reader into the LAN port (RJ-45). Doing so
can cause damage to the LAN port (RJ-45).
PC CARD
R  AUDIO IN  L
AC INVIDEO INAUDIO OUT
S-VIDEO INPC CONTROLCOMPUTER 1 IN  COMPUTER 2 IN MONITOR OUT AUDIO INUSB LAN