NEC Vt670k Projector User Manual

							
24
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 8 menu languages.
To  select a menu language, follow these steps:
1. Use the SELECT 
 or  button to select one of the 8
languages for the menu.LAMP
STATUS
POWER VIDEO
AUTO ADJ.
S-VIDEO COMPUTER-1 COMPUTER-2
ON/STAND BY
SELECT
ENTEREXIT
MENU
UP
MAGNIFY PAGE OFF
POWER ON
PIC-MUTE
DOWN
SOURCE PIC-MUTE
SELECT
2. Press the ENTER button to execute the selection.
After this has been done, you can proceed to the menu opera-
tion.
If you want, you can select the menu language later. See Lan-
guage on pages  38  and  44 .
LAMP
STATUS
POWER VIDEO
AUTOADJ.
S-VIDEO COMPUTER-1 COMPUTER-2
ON/STAND BY
SELECT
ENTEREXIT
MENU
UP
MAGNIFY PAGE OFF
POWER ON
PIC-MUTE
DOWN
SOURCE PIC-MUTE
SELECT
NOTE: Immediately after turning on the projector, screen flicker may occur. This is not a fault. Wait 3 to 5 minutes until the  lamp
lighting is stabilized.
When the Lamp mode is set to Eco, the LAMP indicator will light green.
If one of the following things happens, the projector will not turn on.
•If the internal temperature of the projector is too high, the projector detects abno\
rmal high temperature. In this
condition the projector will not turn on to protect the internal system. If this happens, wait for the projectors internal
components to cool down.
• When the lamp reaches its end of usable life, the projector will not turn on. If this happens, replace the lamp.
• If the lamp fails to light, and if the STATUS indicator flashes on and off in a cycle of six times, wait a full minute and
then turn on the power.
VT670/VT470VT570/VT47
VT670/VT470VT570/VT47 
						

							
25
3. Projecting an Image (Basic Operation)
 Selecting a Source
Selecting the computer or video source
VIDEO S-VIDEO COMPUTER-1 COMPUTER-2
LAMP
STATUS
POWER
AUTO
ADJ.ON/STAND BY
SELECT
VOLUMEL-CLICK
MOUSER-CLICK
AUTO ADJ.
ASPECT HELP
FREEZE
PICTURE
S-VIDEO VIDEOCOMPUTER1
2
NOTE: Turn on the computer or VCR connected to the projector.
Using the cabinet buttons
Press any one of the COMPUTER 1/2 (COMPUTER button on VT47),
VIDEO and S-VIDEO buttons.
The corresponding indicator will light green.
Using the Remote Control (VT670/VT470)
Press any one of the COMPUTER 1/2, COMPONENT, VIDEO or S-
VIDEO buttons.
Selecting from the Source List (VT570/VT47)
1. Press and quickly release the SOURCE button on the remote control.
The Source list will be displayed.
SOURCE PIC-MUTE
POWER
ASPECT
2. Press and quickly release the SOURCE button to select the
source in the Source list.
Each time the SOURCE button is pressed, the selection in theSource list will change as follows:
VT570
Computer 1  → Computer 2  → Video  → S-Video  → Computer 1  → ...
VT47
Computer  → Video  → S-Video  → Computer  → ...
3. Press the ENTER button to display the selected source.
 NOTE: Highlighting the source for 2 seconds without pressing the ENTER
button will also display the selected source.SOURCE PIC-MUTE
POWER
ASPECT
VT670/VT470
VT570/VT47
VT570VT47
VT570/VT47 
						

							
26
3. Projecting an Image (Basic Operation)
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
press and hold the SOURCE button for a minimum of 1 second, the
source will change as follows:
VT570
Computer 1  → Computer 2  → Video  → S-Video  → Computer 1  → ...
VT47
Computer  → Video  → S-Video  → Computer  → ...
If no input signal is present, the input will be skipped.
SOURCE PIC-MUTE
POWER
ASPECT
VT570/VT47 
						

							
27
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 then use the\
Keystone feature for proper adjustment. See page 
29 .
 Adjusting the Picture Size and Position
A
C I N
Z O O
MFOCU
S
AC  IN
Z O OMFO
CU
S
Adjust the Tilt Foot
1. Lift the front edge of the projector.
2. Push up the Adjustable Tilt Foot Levers on the right and left sides of the projector to extend the adjustable tilt feet (maximum height).
3. Push down the Adjustable Tilt Foot Levers.4. Lower the front of the projector to the desired height and release the Adjustable Tilt Foot Lever to lock the Adjustable tilt foot. Thereis approximately 10 degrees of up and down adjustment for the
front of the projector.
CAUTION
Do not use the tilt-foot for purposes other than originally intended. Misuses
such as gripping the tilt-foot or hanging on the wall can cause damage to the
projector.
2
Z O OMF
O
CUS
S
E
LE C
TLA M P
S T
A TU S
P O W E
R
VI
D EO
S-
V I
D EO
CO M P
U T
E R -1
CO
M P
U T
E R -
2
O N
/S TA N D
 
B Y
AUTO
ADJ.1
2
ZOOMF O
CU S
SELECTLAMP
STATUS POWER VIDEO S-VIDEO COMPUTER-1
COMPUTER-2
ON/STAND BY
A U TO
A D J.
3
4
4
Adjustable Tilt Foot
Move the projector left to center the image horizontally on the screen.
Adjustable Tilt
F oot Lever
Adjustable Tilt
F oot Lever 
						

							
28
3. Projecting an Image (Basic Operation)
AC
 
I N
Z O OMFO
CU
S
ZOO M
FO
CU
S
FO
CU
S
ZOOM
AC 
I N
Z O O MFO
CU
S
FO
C
U
S
Focus
Use the FOCUS ring to obtain the best focus.
Zoom
VT670/VT570/VT470
Use the ZOOM lever to finely adjust the image size on the
screen.
VT47
Use the Digital ZOOM button on the projector cabinet to
electronically enlarge or reduce the image size.
NOTE: Digital Zoom can cause result in a blurry image because
zooming is made electronically.
VT47
VT670/VT570/VT470 
						

							
29
 Correcting Keystone Distortion
Auto Keystone Correction
The Auto Keystone correction feature will correct the vertical distortion of a projected image on the screen. No special
operation required. Just put the projector on a flat surface.
Note that the vertical keystone angle can be corrected between 30 degrees upward and 30 degrees downward of
projector tilt from level.
3. Projecting an Image (Basic Operation)
NOTE: Auto and Manual Keystone correction angle could be less than 30 de\
grees depending on some kinds of signal and aspect
ratios.
NOTE: The Auto Keystone Correction feature can cause an image to be slig\
htly blurred because the correction is made electroni-
cally.
Manual Keystone Correction
You can also correct the vertical keystone distor-
tion manually.
To   do so:
1. Press the MENU button.
The menu will be displayed.
2. Turn off the Auto Keystone function. Use the SELECT 
 button to select
“Image” and then press the SELECT 

b utton. The “Auto Keystone” will be
displayed.  Press the SELECT 
 to select
“Off”.
3. Select the Keystone function. Use the SELECT 
 button to select
“Keystone”.
4. Correct the vertical distortion. Use the SELECT 
 or  button to correct
the vertical keystone distortion.
NOTE: The Keystone Correction feature can cause an image to be slightly blurred because the
correction is made electronically. 
						

							
30
3. Projecting an Image (Basic Operation)
5. Press the MENU button to close the menu.
NOTE: You can save the changes using the Keystone Save
feature when you turn off the projector. See page 42 . 
						

							
31
3. Projecting an Image (Basic Operation)
 Optimizing RGB Picture Automatically
Adjusting the Image Using Auto Adjust
Optimizing an RGB image automatically.
Press the Auto Adjust button to optimize an RGB image automatically.
[Poor picture]
[Normal picture]
VIDEO
AUTOADJ.
S-VIDEO COMPUTER-1 COMPUTER-2
VOLUMES-VIDEO
VIDEO
L-CLICK
MOUSER-CLICK
AUTO ADJ.
COMPUTER
ASPECT HELP
FREEZE
PICTURE
1
2
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 shimmer-
ing). This function adjusts the clock frequencies that eliminate the horizontal banding in the image. This function also
adjusts the clock phase to reduce video noise, dot interference or cross talk. (This is evident when part of your image
appears to be shimmering.)
This adjustment may be necessary when you connect your computer for the first time.
NOTE: Some signals may not be displayed correctly or take time.• The Auto Adjust function does not work for component and video signal.
• If the Auto Adjust operation cannot optimize the RGB signal, try to adjust Horizontal/Vertical Position Clock and Phase
manually. See page  48 .
 Turning Up or Down Volume
Increase volume
Decrease volumeVOLUMES-VIDEO
VIDEO
L-CLICK
MOUSER-CLICK
AUTO ADJ.
COMPUTER
ASPECT HELP
FREEZE
PICTURE
1
2
SELECT
Decrease volume Increase volume
VT670/VT470
VT670/VT470
VT570/VT47
Sound level from the speaker and the AU-
DIO OUT jack (Stereo mini) on the projec-
tor can be adjusted.
VIDEO S-VIDEO
AUTO
ADJ.
COMPUTER
VT47VT670/VT570/VT470
SOURCE PIC-MUTE
SELECT
VT570/VT47 
						

							
32
 Turning off the Projector
To  turn off the projector:
3. Projecting an Image (Basic Operation)
LAMP
STATUS
POWER VIDEO
AUTO
ADJ.
S-VIDEO COMPUTER-1 COMPUTER-2
ON/STAND BY
SELECT
POWER
SOURCE PIC-MUTE ASPECT
SELECT
L-CLICK
ENTEREXIT
MENU
UP
MAGNIFY PAGE OFF
POWER ON
PIC-MUTE
DOWN
R-CLICK
First, press the POWER (ON/STAND BY) button on the
projector cabinet or the POWER OFF button on the re-
mote control. The “Power Off / Are you sure?” message
will appear.
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:
• While the Hour Glass icon appears.
• While the cooling fans are running. (The cooling fans continue to
wo rk for 30 seconds after the projector is turned off).
A
C IN
Z O O M
F
O
CU
S
\b  After Use
Preparation: Make sure that the projector 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 its accessories in the supplied soft carrying case.
Secondly, press the ENTER button or press the POWER
(ON/STAND BY), the POWER OFF or the POWER button
a gain.
The power indicator will glow orange. After the projector
turns off, the cooling fans keep operating for 30 seconds
(Cooling-off time).
Immediately after turning on the projector and displaying
an image, you cannot turn off the projector for 60 sec-
onds.
Finally, turn off the Main Power switch. The power indica-
tor will go out.
VT670/VT470VT570/VT47
POWER
STATUS
LAMP
POWER
POWER
STATUS LAMP
STATUS LAMP
Po
wer On Fan running Standby
Steady green light Blinking orange lightSteady orange
light 
						

							
33
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.
ENTEREXIT
MENU
UP
MAGNIFY PAGE OFF
POWER ON
PIC-MUTE
DOWN
SOURCE PIC-MUTE
SELECT
\f  Freezing a Picture (VT670/VT470 only)
Press the FREEZE button to freeze a picture. Press again to resume
motion.
NOTE: The optional remote control PR52 (RD-408E) allows you to use thi\
s
feature on VT570 and VT47.
VOLUMES-VIDEO
ASPECT HELP FREEZE
PICTURE
1
2
  Enlarging and Moving a Picture (VT670/VT470 only)
ENTEREXIT
MENU
UP
MAGNIFY PAGE OFF
POWER ON
PIC-MUTE
DOWN
Y ou can enlarge the picture up to 400 percent.
To   do so:
1. Press the MAGNIFY (+) button to magnify the picture.
To move the magnified image, use the SELECT button.
LAMP
STATUS
POWER VIDEO
AUTO
ADJ.
S-VIDEO COMPUTER-1 COMPUTER-2
ON/STAND BY
SELECT
2. Return the image to the original size.
ENTEREXIT
MENU
UP
MAGNIFY PAGE OFF
POWER ON
PIC-MUTE
DOWN
VT670/VT470VT570/VT47
VT670/VT470
VT670/VT470
VT670/VT470
NOTE: The optional remote control PR52 (RD-408E) allows you to use thi\
s
feature on VT570 and VT47.