NEC Lt220 Portable Projector Users Manual

E-41 Press and hold the SOURCE button for a minimum of 2 seconds, the
projector will search for the next available input source. Each time you
press and hold the SOURCE button, the input source will change as
follows:
→ RGB1 → RGB2 → Video → S-Video → Viewer 
If no input signal is present, the input will be skipped. When the input
source you wish to project is displayed, release the button.
PROJECTING AN IMAGE 
 Selecting a Source
Detecting the Signal Automatically 

E-42
PROJECTING AN IMAGE
Adjusting the Picture Size and Position
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.
Move the projector left to center the image horizontally on the screen.
Use the 3D REFORM feature for proper adjustment. See page E-45. 

E-43
Adjust the Tilt Foot
qLift the front edge of the projector.
wPush up the Adjustable Tilt Foot Lever on the front of the projector to
extend the adjustable tilt foot (maximum height).
ePush down the Adjustable Tilt Foot Lever.
rLower the front of the projector to the desired height and release the
Adjustable Tilt Foot Lever to lock the Adjustable tilt foot. There is ap-
proximately 7 degrees of up and down adjustment for the front of the
projector.
PROJECTING AN IMAGE 
 Adjusting the Picture Size and...

E-44 The rear foot height can be changed. Rotate the rear foot to the desired
height, but the vertical distance from the bottom to the desk or floor should
be 1 (25 mm) to make the projector horizontal on the flat surface.
*If the projected image does not appear square to the screen then
use the 3D Reform feature for proper adjustment. See page E-45.
CAUTION:
Do not use the tilt-foot for purposes other than originally intended. Mis-
uses such as gripping the tilt-foot or hanging on the wall can cause...

E-45
Correcting the Horizontal and Vertical Keystone Distortion (3D Reform)
PROJECTING AN IMAGE
Screen
Projected image
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.
You can also use a mouse to correct the Cornerstone distortion. To do so
with your mouse, pick and left-click on one corner of the image you want to
correct.
Do this for the remaining 3...

E-46 4. Use the SELECT 
 button to select one icon which points in the
direction you wish to move the projected image frame.
PROJECTING AN IMAGE
Screen
5. Press the ENTER button.
6. Use the SELECT 
 button to move the projected image frame as
shown on the example.
7. Press the ENTER button.
Screen
8. Use the SELECT 
 button to select another icon which points in
the direction.
Screen
The confirmation screen is displayed.
On the Cornerstone adjustment screen,
select “Exit” and then “OK”, or press...

E-47
PROJECTING AN IMAGE
9. 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 return the 3D Reform correction setting values to the factory default,
press and hold the 3D REFORM button for a minimum of 2 seconds.
NOTE: During 3D Reform...

E-48
PROJECTING AN IMAGE
Optimizing RGB Picture Automatically
Adjusting the Image Using Auto Adjust
Optimizing RGB image automatically
Press the Auto Adjust button to optimize an RGB image automatically.
[Poor picture]
[Normal picture]
AUTO ADJ.
Press the Auto Adjust button to fine-tune the computer image or to remove
any vertical banding that might appear and to reduce video noise, dot
interference or cross talk (this is evident when part of your image appears
to be shimmering). This function adjusts...

E-49
PROJECTING AN IMAGE
Turning Up or Down Volume
Sound level from the speaker and the AUDIO OUT mini jack on the projec-
tor can be adjusted.
increase volumeVolume bar
decrease volume
VOLUME
Using the Laser Pointer
OFF
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ELASER
You can use the laser to draw your
audiences attention to a red dot that you
can place on...

E-50
Setting the function switch
ON OFF
There are two switches on the bottom of
the battery case: an applicable projector
selector switch (1) and laser enable/dis-
able switch (2). Check the projector be-
ing 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.
Switch (2)
On: Enabled (the laser lights when the LASER button is pressed)
[Factory default]
Off:...