NEC Projector Vt46 User Manual

E-11
NOTE: Distances may vary +/-5%.
Distance Chart
B = Vertical distance between lens center and screen center
C = Throw distance
D = Vertical distance between lens center and top of screen (bottom of
screen for desktop)
α = Throw angle
Lens Center
Throw Angle ( α)
Throw Distance  (
C )
Screen center
Screen Diagonal
Screen Width
Screen Height Screen Bottom
(D )
(
B )
Throw Distance and Screen Size
The following shows the proper relative positions of the projector and s\
creen. Refer to the table to...

E-12
Making Connections
NOTE: When using with a notebook PC, be sure to connect between the projector \
and the notebook PC before turning on the power to the  notebook PC. In most
cases signal cannot be output from RGB output unless the notebook PC is turned on after connecting with \
the projector.
* If the screen goes blank while using your remote control, it may be the \
result of the computers screen-saver or power managem ent software.
* If you accidentally hit the POWER (ON/STAND BY) button on the...

E-13
RGB IN
AUDIO OUTL
AUDIO INLRRComponentYCbCr
Connecting Your DVD PlayerDVD player
You can connect your projector to a DVD player with component output
or Video output. To do so, simply:
1. Turn off the power to your projector and DVD player.
2. If your DVD player has the component video (Y,Cb,Cr) output, use a commercially available component video cable (RCAX3) and the op-tional 15-pin-to-RCA (female)

3 cable to connect your DVD player
to the RGB IN connector on the projector. Component video RCA...

E-14
VIDEO INS-VIDEO IN
AUDIO OUTLR
AUDIO INLR
VIDEO OUT
S-VIDEO OUT
VCR/ Laser disc player
Connecting Your VCR or Laser Disc Player
Audio equipment
S-Video cable (not supplied)
V
ideo cable (not supplied)
Audio cable(not supplied)
Use common RCA cables (not provided) to connect your VCR, laser
disc player or document camera to your projector.
To  make these connections, simply:
1. Turn off the power to the projector and VCR, laser disc player or
document camera.
2. Connect one end of your RCA cable to...

E-15
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: main power switch and POWER (ON/
STAND BY) button.
• When plugging in or unplugging the supplied power cable, make sure that \
the
main power switch is pushed to the off (O) position. Failure to do so \
may
cause damage to the projector.
To  turn on the main power to the projector, press the Main...

E-16
Adjusting the Picture Size and PositionPlace your projector on a flat level surface and ensure that the project\
or
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 then
use the Keystone feature for proper adjustment. See page E-21.
Move the projector left to center the image horizontally on the screen.
Adjust the Tilt Foot
1. Lift the front edge of the projector. Adjustable Tilt Foot Lever...

E-17
Optimizing RGB Picture Automatically
Adjusting the Image Using Auto Adjust
Optimizing RGB image automatically
Press the AUTO ADJ. button on the projector cabinet to optimize an
RGB image automatically.
[Poor picture][Normal picture]
Press the AUTO ADJ. button on the projector cabinet 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 evid\
ent
when part of your image appears to be shimmering). This...

E-18
USING ON-SCREEN MENU
Basic Menu Operation
Using the Menus
NOTE: The on-screen menu may not be displayed correctly while interlaced mo-tion video image is projected.
1. Press the MENU button on the remote control or projector cabinet to display the Menu.
2. Press the SELECT GH buttons on the remote control or the projec-
tor cabinet to highlight the menu for the item you want to adjust or set.
3. Press the SELECT 
E button or the ENTER button on the remote
control or the projector cabinet to select a...

E-19
List of Menu Items
DefaultFactory Default Current Signal All Data
Clear Filter Usage
Clear Lamp Hour Meter
Information Page1 Source Index, Horizontal Frequency, Vertical Frequency, Sync Polarity
Page2 Signal Type, Video Type, Sync Type, Interlace
Page3 Remaining Lamp Time, Lamp Hour Meter, Filter Usage, Projector Usage
Advanced Security On, Off
Control Panel Key LockEnable, Disable
High Speed Fan ModeOn, Off
Signal Select RGB RGB/Component, RGB, Component, Scart Video Auto, NTSC3.58, NTSC4.43, PAL,...

E-20
Menu windows or dialog boxes typically have the following elements:
Title .................... Indicates the menu title.
Highlight ............. Indicates the selected menu or item.
Source ................ Indicates the currently selected source.
Solid triangle ...... Indicates further choices are available. A highlighted triangle indicates the item is active.
Ta b..................... Indicates a group of features in a dialog box. Select-
ing on any tab brings its page to the front.
Radio button...