NEC Lt280 Portable Projector Users Manual

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VOLUME
LASER
3D REFORM
AUTO ADJ.ASPECT
HELPPICTUREPIC-MUTE
LAMP MODE
R-CLICK L-CLICK
MOUSE
FREEZE
MAGNIFYPAGE
UP
DOWN
NTEREXIT
AUTO ADJ.
LASER
3D REFORM
ASPECT
HELPPICTUREPIC-MUTE
LAMP MODE
R-CLICK L-CLICK
MOUSE
FREEZE
VOLUME MAGNIFYPAGE
UP
DOWN
NTEREXIT
SOURCE 3D REFORM
SELECT
AUTO ADJUST
3. Projecting an Image (Basic Operation)
 Optimizing an RGB Image Automatically
Adjusting the Image Using Auto Adjust
Optimizing an RGB image automatically.
Press the Auto Adjust button to optimize an RGB image automatically.
This adjustment may be necessary when you connect your computer for the first time.
[Poor picture]
[Normal picture]
Increase volume
Decrease volume
Sound level from the speaker and the AUDIO OUT
jack (Stereo mini) on the projector can be adjusted.
NOTE: When no menus appear, the SELECT  buttons
on the projector cabinet work as a volume control.
NOTE:
•Some signals may take time to display or may not be displayed correctly.
•The Auto Adjust function does not work for component or video signals.
•If the Auto Adjust operation cannot optimize the RGB signal, try to adjust Clock and Phase manually. (→ page 72)
 Adjusting Volume Up & Down 
						

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3. Projecting an Image (Basic Operation)
 Using the Laser Pointer
You can use the laser to draw your audiences attention to a red dot that you can place on any object.
CAUTION:
• Do not look into the laser pointer while it is on.
• Do not point the laser beam at a person.
• Do not allow children to use the laser pointer.
Press and hold the LASER button to activate the laser pointer.
L
A
S
E
RLASER
Setting the function switch
There are two switches on the bottom of the battery case: an applicable projector selector switch (1) and laser enable/
disable switch (2). Check the projector being used and decide whether to enable or disable laser, then set these
switches as necessary using the tip of a thin ball-point pen. On this model, an applicable projector selector switch (1)
is not used.
ON OFF
Switch (2)
On ......................... Enabled (the laser lights when the LASER button is pressed) [Factory default]
Off ......................... Disabled (the laser does not light even when the LASER button is pressed)
Disable the laser when using in an environment in which the unit is accessible to children. 
						

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OFF
VIDEO
S-VIDEOVIEWER
LAN COMPUTER
COMPONENT
ON
SELECT
POWERPOWER
MENU
ENTEREXIT
3 1
2
 Turning off the Projector
To turn off the projector:
3. Projecting an Image (Basic Operation)
1. Press the POWER (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.
2. Press the ENTER button or the POWER (ON/STANDBY) or
the POWER OFF button again.
The power indicator will glow orange. After the projector turns
off, the cooling fans keep operating for 30 seconds (Cooling-off
time).
NOTE: Immediately after turning on the projector and displaying an im-
age, you cannot turn off the projector for 60 seconds.
3. 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 or PC card:
•While the projector lamp is lighted.
•While the cooling fans are running. (The cooling fans continue
to work for 30 seconds after the projector is turned off).
•While the PC CARD Access Indicator lights. Doing so can dam-
age your PC memory card.
 After Use
Preparation: Make sure that the main power is turned off.
1. Unplug the power cable.
2. Disconnect any other cables.
3. Retract adjustable tilt feet if extended.
4. Cover the lens with the lens cap.
5. Put the projector and accessories in the supplied soft case.
NOTE: Before putting the projector in the soft case, be sure to retract the feet. Failure to do so may cause the damage to the projector.
POWERON/STAND BY
PC CARDLAMPSTATUSSOURCE AUTO ADJUSTORM
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YSOURCE AUTO ADJUST
3D REFORM
S
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PC CARDLAMPSTATUSPOWER
OFF
VIDEO
S-VIDEOVIEWER
LAN COMPUTER
COMPONENT
ON
SELECT
POWERPOWER
MENU
ENTEREXIT
3 1
2
POWERON/STAND BY
PC CARDLAMPSTATUSSOURCE AUTO ADJUSTORM 
						

							34
FREEZE
3D REFORM
AUTO ADJ.ASPECT
HELPPICTUREPIC-MUTE
LAMP MODE
R-CLICK L-CLICK
MOUSE
VOLUME MAGNIFYPAGE
UP
DOWN
PIC-MUTE3D REFORM
AUTO ADJ.ASPECT
HELPPICTURE
LAMP MODEFREEZE
VOLUME MAGNIFYPAGE
UP
DOWN
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.
MAGNIFY
3D REFORM
AUTO ADJ.ASPECT
HELPPICTUREPIC-MUTE
LAMP MODEFREEZE
VOLUMEPAGE
UP
DOWN
 Enlarging and Moving a Picture
You can enlarge the area you want up to 400 percent.
To  do so:
OFF
VIDEO
S-VIDEOVIEWER
LAN COMPUTER
COMPONENT
ONPOWERPOWER
MENU
ENTEREXIT
3 1
2
SELECT
MAGNIFY
3D REFORM
AUTO ADJ.ASPECT
HELPPICTUREPIC-MUTE
LAMP MODEFREEZE
VOLUMEPAGE
UP
DOWN
1. Press the MAGNIFY (+) button.
Each time the MAGNIFY (+) button is pressed,
the image is magnified.
* Image can be magnified up to 400%
2. Press the SELECT 

 button.
The area of the magnified image will be moved
3. Press the MAGNIFY (-) button.
Each time the MAGNIFY (-) button is pressed, the
image is reduced.
 Changing Lamp Mode
The lamp life can be extended by using the Eco mode.
To change to the [Eco] mode, do the following:
1. Press the LAMP MODE button to display [Lamp Mode] screen.
2. Use the SELECT 

 or  button to select [Eco] mode.
3. Press the ENTER button. Or press the SELECT 
 button to select [OK] and
press the ENTER button.
To cancel it, select [Cancel] and press the ENTER button.
To change from [Eco] to [Normal], Go back to Step 2 and select [Normal]. Repeat
Step 3.
LAMP MODE
LASER
3D REFORM
AUTO ADJ.ASPECT
HELPPICTUREPIC-MUTE
R-CLICK L-CLICK
MOUSE
FREEZE
VOLUME MAGNIFYPAGE
UP
DOWN
NTEREXIT 
						

							35
4. Convenient Features
 Using a USB Mouse
Using a USB mouse gives you a smooth operation. A commercially
available USB mouse can be used.
NOTE: There may be some brands of a USB mouse that the projector does
not support.
Operate the Menus using the USB mouse
Mouse Cursor
When connecting a USB mouse to the projector, you get a mouse cursor on the screen.
Unless you use your USB mouse within 10 seconds, the mouse cursor disappears.
NOTE: You can change the shape of the mouse cursor. To do so, select the menu → [Setup] → [Tools] → [Mouse] → [Mouse
Pointer].
Menu Display
Clicking with the left mouse button displays the menu.
To close the menu, click anywhere in the background.
Adjusting and Setting Display
You can select a menu item and click with the left mouse button to make adjustments and settings.
Using the middle button on the mouse
The projector supports the middle button on your mouse.
With the middle button you can do the following:
•You can use a scroll bar in the menu or the help.
•You can click the middle button to display or hide the ChalkBoard toolbar.
Example:
Click (or press and hold) the left mouse button on the  or  to adjust the brightness. Or click and drag the left
mouse button on the slide bar horizontally to adjust it.
To save the adjustments, click 
. The display is closed.
•Click    with the left mouse button to display a description of the selected menu item.
•Click and drag the title bar with the left mouse button to move the adjustment or setting dialog box.
PC CARDCOMPONENT INUSB LANAUDIO INCOMPUTER 3 IN
COMPUTER 1 IN COMPUTER 2 IN
PC CONTROLMONITOR OUT
AUDIO OUT S-VIDEO IN VIDEO INAUDIO INCb/Pb
L/MONO R YCr/Pr
AC IN
USB
OFF
VIDEO
S-VIDEOVIEWER
LAN COMPUTER
COMPONENT
ON
SELECT
POWERPOWER
MENU3 1
2
ENTEREXIT
 Getting Integrated Help
You get the contents about Help in English, German and
Japanese.
Display Help
Exit Help
HELP
LASER
3D REFORM
AUTO ADJ.ASPECT
PICTUREPIC-MUTE
LAMP MODE
R-CLICK L-CLICK
MOUSE
FREEZE
VOLUME MAGNIFYPAGE
UP
DOWN
NTEREXIT 
						

							36
4. Convenient Features
 Using Remote Mouse Receiver
The remote mouse receiver enables you to operate your computer’s mouse functions from the remote control. It is a
great convenience for your computer-generated presentations.
Connecting the remote mouse receiver to your computer
If you wish to use the remote mouse function, connect the mouse receiver and computer.
The mouse receiver can be connected directly to the computer’s USB port (type A).
NOTE: Depending on the type of connection or OS installed on your computer, you may have to restart your computer or change
your computer settings.
30° 30°
Remote mouse receiverComputer
To USB port of PC or Macintosh
When operating a computer via the remote mouse receiver
Remote sensor on the remote mouse receiver 7m/22 feet
When connecting using the USB port
For PC, the mouse receiver can only be used with a Windows 98/Me/XP*, Windows 2000 or MacOS X 10.0.0 or later
operating system.
* NOTE: In SP1 or older verison of Windows XP, if the mouse cursor will not move correctly, do the following:
Clear the Enhance pointer precision check box underneath the mouse speed slider in the Mouse Properties dialog box [Pointer
Options tab].
NOTE: Wait at least 5 seconds after disconnecting the mouse receiver before reconnecting it and vice versa. The computer may not
identify the mouse receiver if it is repeatedly connected and disconnected in rapid intervals. 
						

							37
4. Convenient Features
Operating your computer’s mouse from the remote control
You can operate your computers mouse from the remote control.
PAGE  UP/DOWN  Button ................. scrolls the viewing area of the window or to move to the previous or next slide in PowerPoint
on your computer.
SELECT 
 Button ................. moves the mouse cursor on your computer.
MOUSE L-CLICK Button ................. works as the mouse left button.
MOUSE R-CLICK Button ................. works as the mouse right button.
NOTE: When you operate the computer using the SELECT 
 button with the menu displayed, both the menu and the mouse
pointer will be affected. Close the menu and perform the mouse operation.
About Drag Mode:
By pressing the MOUSE L-CLICK or R-CLICK button for 2 or 3 seconds then releasing, the drag mode is set and the
drag operation can be performed simply by pressing the SELECT 
 button. To drop the item, press the MOUSE
L-CLICK (or R-CLICK) button. To cancel it, press the MOUSE R-CLICK (or L-CLICK) button.
TIP: You can change the Pointer speed on the Mouse Properties dialog box on the Windows. For more information, see the user
documentation or online help supplied with your computer. 
						

							38
 Correcting Horizontal and Vertical Keystone Distortion (Cor-
nerstone)
Use the 3D Reform feature to correct keystone (trapezoidal) distortion to make the top or bottom and the left or right
side of the screen longer or shorter so that the projected image is rectangular.
4. Convenient Features
Screen
Projected image
Cornerstone
1. Press and hold the 3D REFORM button for a minimum of 2 seconds to reset current adjustments.
Current adjusments for [Keystone] or [Cornerstone] will be cleared.
2. Project an image so that the screen is smaller than the area of the raster.
3. Pick up any one of the corners and align the corner of the image with a corner of the screen.
The drawing shows the
upper right corner.
4. Press the 3D REFORM button on the remote control twice.
The Cornerstone adjustment screen is displayed.
Screen
5. Use the SELECT 
 button to select one icon which points in the direction you wish to move the
projected image frame.
6. Press the ENTER button.
7. Use the SELECT 

 button to move the projected image frame as shown on the example. 
						

							39
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. 
						

							40
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. (
→
page 77)
NOTE: Using 3D Reform correction can cause the image to be slightly blurred because the correction is made electronically.
The adjustable ranges for 3D Reform are as follows:
Horizontal Vertical
Cornerstone Max. +/– 35° approx.
Keystone Max. +/– 27° approx.
Max. +/– 40° approx.