NEC Lt280 Portable Projector Users Manual

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2. Installation and Connections
Inserting the PC Card
1. Make sure the main power is off before inserting the
PC card. (This step is needed only when the wireless
LAN card being inserted into the projectors PC CARD
slot)
2. Hold the PC card horizontally and insert it slowly into
the PC card slot with its top facing up.
The eject button pops out once the PC card is fully inserted.
Check that the PC card is fully inserted.
NOTE: Do not try to force the PC card into the slot or you may bend
the pins...

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2. Installation and Connections
PC Card Type
The PC Card slot accepts PCMCIA Type II only.
NOTE: 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 operating systems.
PC CARDCOMPONENT INUSB
LAN
AUDIO INCOMPUTER 3 IN
COMPUTER 1...

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2. Installation and Connections
Connecting the Supplied Power Cable
Connect the supplied power cable to the projector.
First connect the supplied power cables two-pin plug to the AC IN of the projector, and then connect the other plug of
the supplied power cable in the wall outlet.
Make sure that the prongs are fully
inserted into both the AC IN and the
wall outlet. To wall outlet
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OFF
VIDEO
S-VIDEOVIEWER
LAN COMPUTER
COMPONENT
ON
SELECT
POWERPOWER
MENU
ENTEREXIT
3 1
2
POWERON/STAND BY
PC CARDLAMPSTATUSSOURCE AUTO ADJUST
3D REFORM
3. Projecting an Image (Basic Operation)
This section describes how to turn on the projector and to project a picture onto the screen.

 Turning on the Projector
NOTE:
•The projector has two power switches: a main power switch and a POWER (ON/STAND BY) button (POWER ON and OFF on the
remote control).
•When plugging in or unplugging the supplied power...

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SOURCE AUTO ADJUST
3D REFORM
SELECT
OFF
VIDEO
S-VIDEOVIEWER
LAN COMPUTER
COMPONENT
ONPOWERPOWER
MENU
ENTEREXIT
3 1
2
SELECTSOURCE AUTO ADJUST
3D REFORM
SELECT
3. Projecting an Image (Basic Operation)
Note on Startup screen (Menu Language Select screen)
When you first turn on the projector, you will get the Startup menu. This menu gives you the opportunity to select one
of the 21 menu languages.
To select a menu language, follow these steps:
1. Use the SELECT 
 or  button to select one of the 21...

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POWERAUTO ADJUST
PC CARDLAMPSTATUSON/STAND BY
SOURCE 3D REFORM
3. Projecting an Image (Basic Operation)
 Selecting a Source
Selecting the computer or video source
Using the Remote Control
Press any one of the COMPUTER 1/2/3, Component, VIDEO, S-VIDEO, VIEWER
or LAN buttons.
NOTE: The COMPUTER 3 button is not available for LT280.
Detecting the Signal Automatically
Press and hold the SOURCE button for a minimum of 1 second, the projector will
search for the next available input source. Each time you...

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1
3. Projecting an Image (Basic Operation)
Place your projector on a flat level surface and ensure that the projector is
square to the screen.
Lift the front edge of the projector to center the image vertically.
If the projected image does not appear square to the screen, use the Keystone
feature for proper adjustment. (→ page 29, 38)
 Adjusting the Picture Size and Position
Adjust the Tilt Foot
1. Lift the...

28
3. Projecting an Image (Basic Operation)
Zoom
Use the ZOOM lever to adjust the image size on the screen.
Focus
Use the FOCUS ring to obtain the best focus. 

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 Correcting Keystone Distortion
Auto Keystone Correction
The Auto Keystone correction feature will correct vertical distortion of a projected image on the screen. No special
operation required. Just put the projector on a flat surface.
To use the Auto Keystone function, first you must select [Auto] in [Keystone] from the menu.
Manual Keystone Correction
You can also correct keystone distortion manually.
To  do so:
1. Press the 3D REFORM button on the remote control or the projector
cabinet.
The...

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5. Repeat steps 2 and 4 to correct keystone distortion.
6. After completing Keystone correction, press the ENTER button.
The Keystone screen will disappear.
•  To perform Keystone correction again, press the 3D REFORM button to
display the Keystone screen and repeat above steps 1 to 6.
NOTE:
•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...