NEC Vt670k Projector User Manual

14
2. Installation and Connections
Selecting a Location (VT47)
The further your projector is from the screen or wall, the larger the image. The minimum size the image can be is
approximately 25 (0.64 m) measured diagonally when the projector is roughl\
y 23 inches (0.6 m) from the wall or
screen. The largest the image can be is 300 (7.6 m) when the projector is abo\
ut 287 inches (7.3 m) from the wall or
screen. Use the drawing below as a guide.
25
300
240
200180
150
120100
6040
80
Distance (Unit:...

15
2. Installation and Connections
Lens Center
Throw Angle ( 
)
Throw Distance (C)
Screen center
Screen Diagonal
Screen Width
Screen Height Screen Bottom
(B)(D)
A C  I N
Throw Distance and Screen Size
The following shows the proper relative positions of the projector and screen. Refer to the table to determine the
position of installation.
Distance Chart
B  =V ertical distance between lens center and
screen center
C = Throw distance
D  =V ertical distance between lens center and
bottom of screen (top of...

16
2. Installation and Connections
W ARNING
* Installing your projector on the ceiling must be done
by  a qualified technician. Contact your NEC dealer for
more information.
* Do not attempt to install the projector yourself.
• Only use your projector on a solid, level surface. If the
projector falls to the ground, you can be injured and
the projector severely damaged.
• Do not use the projector where temperatures vary
greatly. The projector must be used at temperatures
between 41˚F (5˚C) and 95˚F...

17
2. Installation and Connections
 Making Connections
NOTE: When using with a notebook PC, be sure to connect between the proj\
ector 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
management software.
AC IN
AUDIO OUTMONITOR  OUT PC...

18
NOTE: The projector is not compatible with video decoded outputs of eith\
er the NEC ISS-6020 and ISS-6010 switchers.
NOTE: An image may not be displayed correctly when a Video or S-Video so\
urce is played back via a commercially available scanconverter.This is because the projector will process a video signal as a computer \
signal at the default setting. In that case, do the fol lowing.
* When an image is displayed with the lower and upper black portion of the\
 screen or a dark image is not...

19
2. Installation and Connections
Connecting an External Monitor
MONITOR OUTAUDIO
AC IN
AUDIO OUTMONITOR  OUT PC CONTROLAUDIOS-VIDEO IN
COMPUTER 2 IN
VIDEO IN COMPUTER 1 IN
AUDIOL/MONOR
AUDIOL/MONOR
MONITOR OUT 
Y
ou can connect a separate, external monitor to your projector to simultaneously view on a monitor the RGB analog
image youre projecting.
To   do so:
1. Turn off the power to your projector, monitor and computer.
2. Use a 15-pin cable to connect your monitor to the MONITOR OUT (Mini D-Sub 15...

20
AUDIO INLRAUDIO OUT
LR
Component
YCbCr
AC IN
AUDIO OUTMONITOR  OUTPC CONTROLAUDIOS-VIDEO IN
COMPUTER 2 IN
VIDEO IN COMPUTER 1 INAUDIOL/MONOR
AUDIOL/MONOR
COMPUTER 1 INAUDIO 
AUDIO
S-VIDEO INVIDEO IN COMPUTER IN
MONITOR  OUT PC CONTROLL/MONOR
COMPUTER IN
AUDIO
2. Installation and Connections
Y
ou 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...

21
2. Installation and Connections
AUDIO INLRAUDIO OUTLRVIDEO OUTS-VIDEO
VIDEO
AC IN
AUDIO OUTMONITOR  OUT PC CONTROLAUDIOS-VIDEO IN
COMPUTER 2 IN
VIDEO IN COMPUTER 1 IN
AUDIOL/MONOR
AUDIOL/MONOR
S-VIDEO IN
VIDEO IN
AUDIO
AUDIO
Connecting Your VCR or Laser Disc Player
S-Video cable (not supplied) Video cable (not supplied)
VCR/ Laser disc player
Audio equipment
A udio cable (not supplied)
Use an RCA or S-Video cable (not provided) to connect the video and use RCA cables (not provided) to connect
the...

22
2. Installation and Connections
AC IN
ZOOMF O
CU
S
SELECTL
A M
P
S TA
TU S
P O W ER
VID
EO
S-V IDEOC
OM
PU TE
R-1 C
O M PU TE R
-2
O N/S T
A N
D B Y
AUT O
ADJ.
AUDIO OUT
S-VIDEO INCOMPUTER 1 IN
COMPUTER  OUT PC CONTROL
AUDIO AUDIO
COMPUTER 2 IN
VIDEO IN AUDIO
L/MO
NORAUDIOL/MONOR
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...

23
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 of VT670/VT470 and POWER on the remote control of VT570/V\
T47).
• When plugging in or unplugging the supplied power cable, make sure that \
the main power switch is pushed to the off (
)
position....