NEC Projector Vt37 User Manual

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LAMP
STATUS
POWER VIDEO S-VIDEO COMPUTER
ON/STAND BY
ZOOMFOCUS
SELECT
AC IN
112.5 (4.4)
260 (10.2)
20.3 (0.8)
64.6 (2.5)
294 (11.6)
71.5 (2.8)
ZOOM
AUDIO
S-VIDEO INVIDEO INCOMPUTER IN
PC CONTROLL/MONOR
AUTO
ADJ.
AUDIO
Lens center
Lens center
Unit: mm (inch)
7. Appendix
 Cabinet Dimensions 
						

							55
Mini D-Sub 15 Pin Connector
 Pin Assignments of D-Sub COMPUTER Input Connector
Signal Level
Video signal : 0.7Vp-p (Analog)
Sync signal : TTL level
51423
10
11 12 13 14 156 978
7. Appendix
Pin No. RGB Signal (Analog) YCbCr Signal
1Red Cr
2Green or Sync on Green Y
3Blue Cb
4Ground
5Ground
6Red Ground Cr Ground
7Green Ground Y Ground
8Blue Ground Cb Ground
9No Connection
10 Sync Signal Ground
11 SCART Sync
12 Bi-directional DATA (SDA)
13Horizontal Sync or Composite Sync
14 Vertical Sync
15 Data Clock 
						

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7. Appendix
 Compatible Input Signal List
Signal Resolution Frequency H. Refresh Rate
( Dots ) ( kHz ) ( Hz )
NTSC – 15.734 60PAL–15.625 50PAL60 – 15.734 60SECAM – 15.625 50VESA 640
480 31.47 59.94IBM 640
480 31.47 60MAC 640
480 31.47 60MAC 640
480 34.97 66.67MAC 640
480 35 66.67VESA 640
480 37.86 72.81VESA 640
480 37.5 75IBM 640
480 39.375 75VESA 640
480 43.269 85.01IBM 720
350 31.469 70.09VESA 720
400 37.927 85.04IBM 720
350 39.44 87.85IBM 720
400 39.44 87.85VESA 800
600 35.16 56.25VESA 800
600 37.879 60.32VESA 800
600 48.077 72.19VESA 800
600 46.88 75VESA 800
600 53.674 85.06MAC 832
624 49.725 74.55@VESA 1024
768 35.5 43 Interlaced@VESA 1024
768 48.363 60@VESA 1024
768 56.476 70.07@MAC1024
768 60.241 74.93@VESA 1024
768 60.023 75.03@VESA 1024
768 68.677 85@VESA 1152
864 67.5 75@MAC1152
870 68.681 75.06@SUN 1152
900 61.796 65.95@SGI 1152
900 71.736 76.05@VESA 1280
960 60 60@VESA 1280
1024 63.981 60.02@MAC1280
1024 69.89 65.18@HP1280
1024 78.125 72.01@SUN 1280
1024 81.13 76.11@VESA 1280
1024 79.976 75.03@VESA 1280
1024 91.146 85.02@SXGA+ 1400
1050 – –@HDTV (1080p)1920
1080 67.5 60 Progressive@SDTV(576i)(625i)–15.6 50@SDTV(576p)(625p)–31.5 50@HDTV (1080i)(1125i)1920
1080 33.75 60 Interlace@HDTV (1080i)(1125i)1920
1080 28.125 50 Interlace@HDTV (720p)(750p)1280
720 45 60 Progressive@SDTV (480p)(525p)–31.47 59.94 ProgressiveDVD YCbCr – 15.734 59.94  InterlacedDVD YCbCr – 15.625 50  Interlaced
@:Images in above flagged with @ are compressed with Advanced AccuBlend.
NOTE: Some composite sync signals may not be displayed correctly.
Signals other than those specified in the table above may not be displayed correctly. If this should happen, change the refresh rate or resolution on
your PC. Refer to Display Properties help section of your PC for procedures. 
						

							57
7. Appendix
 PC Control Codes and Cable Connection
PC Control Codes
Function Code Data
POWER ON 02H 00H 00H 00H 00H 02H
POWER OFF 02H 01H 00H 00H 00H 03H
INPUT SELECT COMPUTER 02H 03H 00H 00H 02H 01H 01H 09H
INPUT SELECT VIDEO 02H 03H 00H 00H 02H 01H 06H 0EH
INPUT SELECT S-VIDEO 02H 03H 00H 00H 02H 01H 0BH 13H
PICTURE MUTE ON 02H 10H 00H 00H 00H 12H
PICTURE MUTE OFF 02H 11H 00H 00H 00H 13H
SOUND MUTE ON 02H 12H 00H 00H 00H 14H
SOUND MUTE OFF 02H 13H 00H 00H 00H 15H
Cable Connection
Communication Protocol
Baud rate ........................................ 19200 bps
Data length ..................................... 8 bits
Parity .............................................. No parity
Stop bit .......................................... One bit
X on/off .......................................... None
Communications procedure ........... Full duplex
NOTE: Depending on the equipment, a lower baud rate may be recommended for long cable runs.
NOTE: Contact your local dealer for a full list of the PC Contorol Codes if needed.
1 2 54 36
7 8
To RxD of PC
PC Control Connector (DIN-8P)
To TxD of PC To GND of PC
NOTE: Pins 2, 3, 5, 6 and 8 are used inside the projector. 
						

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7. Appendix
 Optional Presentation Remote Control Kit (PR52KIT)
Part Names and Functions of the Remote Control
1. Infrared Transmitter/Laser  Pointer
Transmits an infrared signal when any button other
than LASER is pressed.
Direct the remote control toward the remote sensor
on the projector cabinet.
Beams a laser light when the Laser button is pressed.
CAUTION:
* Do not look into the laser pointer while it is on.
* Do not point the laser beam at a person.
2. Remote Jack
Not available on this model.
3. LED
Flashes when any button is pressed.
4. POWER ON Button
When the main power is on, you can use this button
to turn your projector on.
NOTE: To turn on the projector, press and hold the
POWER ON button for a minimum of two seconds.
5. POWER OFF Button
You can use this button to turn your projector off.
NOTE: To turn off the projector, press the POWER OFF
button twice.
6. MAGNIFY (+)(–) Buttons
Use these buttons to adjust the image size.
The image can be magnified about the center of the
screen up to 400%.
7. LASER Button
Press and hold this button to activate the laser pointer.
When lit, you can use the laser to draw your audiences
attention to a red dot that you can place on any ob-
ject.
VOLUME
3D REFORM
PJ    OFF    MOUSEFOCUSZOOM SLIDE VIEWER POINTERLASER
UP MAGNIFYPAGE OFF
POWERON
PIC-MUTE
DOWN
AUTO ADJ.SOURCE
ASPECT
HELP
FREEZE PICTURE
ENTER
MENU
EXIT
R-CLICK
2
5
6
8
10
129 7
15
16
4 1
3
2017 13 11
18
22 19
25
27
2928
23
26 21
24
14
The PR52KIT is an optional remote control kit for operating your NEC projector and performing your computer mouse
operations.
Package List
• RD-408E remote control unit ....... 1 • AAA batteries ................... 2
• Mouse receiver ............................ 1 • Users manual .................. 1 
						

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7. Appendix
8. POINTER Button
Not available on this model.
9. PAGE UP/DOWN Buttons*
Use these buttons to operate your computer with the
supplied remote mouse receiver. You can use these
buttons to scroll the viewing area of the window or to
move to the previous or next slide in PowerPoint on
your computer.
10. MENU Button
Displays the menu for various settings and adjust-
ments.
11. Mouse Button
In Mouse mode*, this button works as your computer
mouse.
In Projector mode, this button is used for projector’s
menu operation and moving the magnified image.
12. ENTER Button
Executes your menu selection and activates items se-
lected from the menu.
13. EXIT Button
Returns to the previous menu.
While you are in the main menu, pressing this button
will close the menu.
14. L-CLICK Button*
Works as the mouse left button when the supplied
remote mouse receiver is connected with your com-
puter.
15. R-CLICK Button*
Works as the mouse right button when the supplied
remote mouse receiver is connected with your com-
puter.
16. PICTURE Button
Press this button to display the Picture window. Each
time this button is pressed, the option will be changed:
Wall Color → Picture Management → Brightness →
Contrast → Sharpness → Color → Hue
17. SOURCE Button
Use this button to select a video source such as a
PC, VCR or DVD player.
Press and release this button quickly to display the
Source List.
Each time this button is pressed for a minimum of
ONE second, the input source will change.
If no input signal is present, the input will be skipped.18. ASPECT Button
Press this button to display the Aspect Ratio select
screen.
19. AUTO ADJ. Button
Use this button to adjust an RGB source for an opti-
mal picture.
20. VIEWER Button
Not available on this model.
21. SLIDE +/- Buttons
Not available on this model.
22. PIC-MUTE Button
This button turns off the image and sound for a short
period of time. Press again to restore the image and
sound.
23. HELP Button
Provides the Information screen.
24. VOLUME +/– Buttons
Press (+) to increase the volume and (–) to decrease
it.
25. FOCUS +/- Buttons
Not available on this model.
26. ZOOM +/- Buttons
Use to finely adjust the image on the screen.
27. FREEZE Button
This button will freeze a picture. Press again to re-
sume motion.
28. 3D REFORM Button
Not available on this model.
29. PJ  OFF  MOUSE Slide Switch
Use to switch mouse button operation modes between
Mouse and Projector. Setting to OFF will disable all
the buttons on the remote control.
*NOTE: The PAGE UP/DOWN, L-CLICK, R-CLICK and MOUSE
(as computer mouse) buttons are available only when the PJ
 OFF  MOUSE Slide Switch is set to MOUSE. 
						

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7. Appendix
30Ã 30Ã
Battery Installation
1Remove the battery cover.
NOTE: Do not pull the battery
cover by force. Doing so can
result in it coming off.
2Remove both old batteries and
install new ones (AAA). Ensure
that you have the batteries po-
larity (+/ –) aligned correctly.3Slip the cover back over the bat-
teries until it snaps into place.
NOTE: Do not mix different types of
batteries or new and old batteries.
Remote sensor on projector cabinet
Remote control
7m/22 feet
•The infrared signal operates by line-of-sight up to a distance of about 22 feet/7 m and within a 60-degree angle of
the remote sensor on the projector cabinet.
•The projector will not respond if there are objects between the remote control and the sensor, or if strong light falls
on the sensor.
Weak batteries will also prevent the remote control from properly operating the projector.
Remote Control Precautions
•Handle the remote control carefully.
•If the remote control gets wet, wipe it dry immediately.
•Avoid excessive heat and humidity.
•If you will not be using the remote control for a long time, remove the batteries.
•Do not place the batteries upside down.
•Do not use new and old batteries together, or use different types of batteries together.
•Dispose of used batteries according to your local regulations.
Operating Range for Wireless Remote Control
1 212 
						

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7. Appendix
Using the Laser Pointer
You can use the laser to draw your audiences attention to a red dot that you can place on any object.
CAUTION:
• Do not look into the laser pointer while it is on.
• Do not point the laser beam at a person.
• Do not allow children to use the laser pointer.
Press and hold the LASER button to activate the laser pointer.
LASER
To disable the laser pointer, set the function switch to “Off ”.
Decide whether to enable or disable laser, then set the switch as necessary using the tip of a thin ball-point pen. On
this model, the other selector switch is not used.
ON
OFF
On: Enabled (the laser lights when the LASER button is pressed) [Factory default]
Off: Disabled (the laser does not light even when the LASER button is pressed)
Disable the laser when using in an environment in which the unit is accessible to children.
Not used Laser enable/disable
switch 
						

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7. Appendix
Using Remote Mouse Receiver
The remote mouse receiver enables you to operate your computer’s mouse functions from the remote control. It is a
great convenience for clicking through your computer-generated presentations.
Connecting the remote mouse receiver to your computer
If you wish to use the remote mouse function, connect the mouse receiver and computer.
The mouse receiver can be connected directly to the computer’s USB port (type A).
NOTE: Depending on the type of connection or OS installed on your computer, you may have to restart your computer or change
your computer settings.
30˚
30˚
Remote mouse receiverComputer
To USB port of PC or Macintosh
When operating a computer via the remote mouse receiver
Remote sensor on the
remote mouse receiver7m/22 feet
When connecting using the USB terminal
For PC, the mouse receiver can only be used with a Windows 98/Me/XP* or Windows 2000 operating system.
* NOTE: In Windows XP, if the mouse cursor will not move correctly, do the following:
Clear the Enhance pointer precision check box underneath the mouse speed slider in the Mouse Properties dialog box [Pointer
Options tab].
NOTE: Wait at least 5 seconds after disconnecting the mouse receiver before reconnecting it and vice versa. The computer may
not identify the mouse receiver if it is repeatedly connected and disconnected in rapid intervals.
Operating your computer’s mouse from the remote control
You can operate your computers mouse from the remote control.
PAGE UP/DOWN Button .....scrolls the viewing area of the window or to move to the previous or next slide in PowerPoint
on your computer.
Mouse Button .................. moves the mouse cursor on your computer.
L-CLICK Button ............... works as the mouse left button.
R-CLICK Button .............. works as the mouse right button. 
						

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No image is displayed from your PC or video equipment to the
projector.
Still no image even though you connect the projector to the PC
first, then start the PC.
Enabling your notebook PC’s signal output to the projector.
•A combination of function keys will enable/disable the ex-
ternal display. Usually, the combination of the “Fn” key along
with one of the 12 function keys turns the external display
on or off.
No image (blue background, logo, no display).
Still no image even though you press the AUTO ADJUST but-
ton.
Still no image even though you carry out “Reset” in the
projector’s menu.
Signal cables plug is fully inserted into the input connector
A message appears on the screen.
( _____________________________________________ )
The source connected to the projector is active and available.
Still no image even though you adjust the brightness and/or
the contrast.
Input sources resolution and frequency are supported by the
projector.
7. Appendix
 Troubleshooting Check List
Before contacting your dealer or service personnel, check the following list to be sure repairs are needed also by
referring to the “Troubleshooting” section in your user’s manual. This checklist below will help us solve your problem
more efficiently.
* Print the following pages.
Frequency of occurrence   always    sometimes (How often?_____________________)     other (__________________)
Power
No power (POWER indicator does not light green)   See also “Sta-
tus Indicator (STATUS)”.
Power cables plug is fully inserted into the wall outlet.
Main power switch is pressed to the ON position.
Lamp cover is installed correctly .
Lamp Hour Meter (lamp operation hours) was cleared after
lamp replacement.
No power even though you press and hold the POWER button
for a minimum of 2 seconds.Shut down during operation.
Power cables plug is fully inserted into the wall outlet.
Lamp cover is installed correctly .
Power Management is turned off (only models with the Power
Management function).
Sleep Timer is turned off (only models with the Sleep Timer
function ).
Video and Audio
Image is too dark.
Remains unchanged even though you adjust the brightness
and/or the contrast.
Image is distorted.
Image appears to be trapezoidal (unchanged even though you
carry out the “Keystone or “3D Reform” adjustment).
Parts of the image are lost.
Still unchanged even though you press the AUTO ADJUST but-
ton.
Still unchanged even though you carry out “Reset” in the
projector’s menu.
Image is shifted in the vertical or horizontal direction.
Horizontal and vertical positions are correctly adjusted on a
computer signal.
Input sources resolution and frequency are supported by the
projector.
Some pixels are lost.
Image is flickering.
Still unchanged even though you press the AUTO ADJUST but-
ton.
Still unchanged even though you carry out “Reset” in the
projector’s menu.
Image shows flickering or color drift on a computer signal.
Image appears blurry or out of focus.
Still unchanged even though you checked the signal’s resolu-
tion on PC and changed it to projector’s native resolution.
Still unchanged even though you adjusted the focus.
No sound.
Audio cable is correctly connected to the audio input of the
projector.
Still unchanged even though you adjusted the volume level.
AUDIO OUT is connected to your audio equipment (only mod-
els with the AUDIO OUT connector).
Other
Remote control does not work.
No obstacles between the sensor of the projector and the re-
mote control.
Projector is placed near a fluorescent light that can disturb the
infrared remote controls.
One or more remote sensors are enabled (only models with
the Remote Sensor Selection function).
Batteries are new and are not reversed in installation.
If present on the remote control, projector selector switch is
not used.Buttons on the projector cabinet do not work ( only models with
the Key Lock function).
Cabinet Button Lock is not turned on or is disabled in the menu.
Still unchanged even though you press and hold the EXIT but-
ton for a minimum of 10 seconds.