NEC Gt2150 Lcd Projector Users Manual

							E – 51
Contents
Provides an online help about how to use the menus. An underlined
link means that you can move to an adjustment item directly.
Selecting the underlined link and pressing ENTER moves to the corre-
sponding adjustment item.
NOTE: The Help Menu may not be displayed correctly when a UXGA signal isdisplayed.
Help
Source Information
Displays the status of the current signal. This dialog box has three
pages.
This feature sets the projector in communication with the NEC ISS-
6020 Switchers.
Stand Alone ................ Use the projector in stand alone operation.
SW 1 Level .................. Use the projector with one Switcher. (not available
in Link mode)
SW 2 Level .................. Use the projector with two or more Switchers. (not
available in Link mode)
When changing this setting, the confirmation message will appear. If
you want to restart your projector, select Yes; if not, select No.
NOTE: This setting becomes effective only after the projector is restarted.
Switcher Control
Test Pattern
Press to display the test pattern. Pressing this button sequentially se-
lects six test patterns.
Displays the information for your projector such as lamp usage, serial
number and version number etc..
[Page 4]
Link Mode
Displaying Current Status of Link Mode
When selecting the tab Page 4 , you will get the following dialog
box.
Master ID .................... Indicates the Master projector
Status ......................... Indicates the status of the master projector
Connected PJ .............. Indicates number of connected slave projectors
Slave No ..................... Indicates serial number of the slave projector
ID ................................ Indicates ID of a slave projector
Status ......................... Indicates the status of the slave projector
Page buttons 
 .......Turns pages. One screen displays information of 3 pro-
jectors only. Information of a maximum of 16 projec-
tors can be displayed using these page buttons.
Reconnect button ....... Confirms connection of all linked projectors
Status items:
Running ...................... The projector is now working
Cooling Lamp ............. The fan is now cooling the lamp
Standby ...................... The projector is in stand-by
Communication Error . A communication error has occurred
Connecting .................. The projector is now verifying for connection
Error Standby ............. An error caused the projector to enter the stand-by
mode.
Projector Information 
						

							E – 52
This section describes the simple maintenance procedures you should
follow to replace the lamp and clean the filter.
Replacing the Lamp
After your lamp has been operating for 1500 hours (2000 hours : Eco
mode) or longer, the “Status” indicator in the cabinet will go on and the
message will appear. Even though the lamp may still be working, re-
place it at 1500 (up to 2000 hours : Eco mode) hours to maintain opti-
mal projector performance.
CAUTION
•DO NOT TOUCH THE LAMP immediately after it has been used. It will
be extremely hot. Turn the projector off, wait three minutes, and then
disconnect the power cable. Allow at least one hour for the lamp to
cool before handling.
•DO NOT REMOVE ANY SCREWS except the lamp cover screw and two
lamp housing screws. You could receive an electric shock.
•The projector will turn off and go into stand by mode after 1600 (2100
hours : Eco mode) hours of service. If this happens, be sure to replace
the lamp. If you continue to use the lamp after 1500 hours (2000 hours
: Eco mode) of use, the lamp bulb may shatter, and pieces of glass may
be scattered in the lamp housing. Do not touch them as the pieces of
glass may cause injury. If this happens, contact your NEC dealer for
lamp replacement.
To replace the lamp:
1. Loosen the lamp cover screw until the screwdriver goes into a
freewheeling condition and remove the lamp cover. The lamp cover
screw is not removable.
6. MAINTENANCE
MENUENTERCANCELS
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MENUCANCELSELECTAUTO
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STATUS
POWER ON
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2. Loosen the two screws securing the lamp housing until the screw-
driver goes into a freewheeling condition. The two screws are not
removable.
Remove the lamp housing by pulling out the handle.
NOTE: There is an interlock on this case to prevent the risk of electricalshock. Do not attempt to circumvent this interlock.
MENUCANCELSELECT
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3. Insert a new lamp housing until the lamp housing is plugged into
the socket.
CAUTION: Do not use a lamp other than the NEC replacement lamp(GT50LP). Order this from your NEC dealer.
Secure it in place with the two screws.
Be sure to tighten the screws.
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4. Reattach the lamp cover.
Tighten the lamp cover screw.
Be sure to tighten the screw.
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5. After you install a new lamp, select [Projector Options] →
[Setup]→[Page 6]→[Clear Lamp Hour Meter] to reset the lamp
usage hours.
NOTE: When the lamp exceeds 1600 hours (2100 hours : Eco mode) of ser-
vice, the projector cannot turn on and the message is not displayed. If this
happens, press Help button on the remote control for a minimum of 10 sec-
onds while in standby mode. When the lamp time clock is reset to zero, the
STATUS indicator goes out.
Interlock 
						

							E – 53
Cleaning or Replacing the Filter
The air-filter sponge keeps the inside of the MultiSync GT2150 Projec-
tor free from dust or dirt and should be cleaned after every 100 hours
of operation (more often in dusty conditions). If the filter is dirty or
clogged, your projector may overheat.
CAUTION
•Turn off the power, wait for three minutes, and unplug the projector
before replacing the filter.
•Only clean the outside of the filter with a vacuum cleaner.
•Do not attempt to operate the projector without filter.
•Your projector will not operate unless the filter is installed correctly.
To clean the filter:
Pull out the filter by pushing up on the catch. Vacuum the filter-through
the filter.
To replace the filter:
1. Pull out the filter by pushing up on the catch.
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2. Reinstall the new filter.
NOTE: Do not detach the sponge from the filter. Do not wash the filter with
soap and water. Soap and water will damage the the filter membrane. Be-
fore replacing the filter cover, remove dust and dirt from the projector cabi-
net. Keep out dust and during filter replacement.
3. After you install a new filter, select [Projector Options] → [Setup]
→ [Page 6] → [Clear Filter Usage] to reset the filter usage hours.
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The Please clean the filters message will be displayed each time the
projector is turned on after it has been used in excess of 100 hours.
Should this message appear, clean the filters.
NOTE:
* The message can be turned on or off using the Message - Clean Filter
option on the Setup menu. See page E-48.
* After cleaning the filters and resetting the filter usage time back to zero, the
message will not be displayed.
See page E-50 for resetting the filter usage time. 
						

							E – 54
MENUENTERCANCELS
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Contact de sécurité Cette section décrit les procédures simples d’entretien que vous devez
suivre pour remplacer la lampe, nettoyer ou remplacer le filtre.
Remplacement de la lampe
Après que votre lampe ait fonctionné pendant 1500 heures (2000 heures
: mode Eco) ou plus, le voyant “Status” du coffret s’allume. Même si la
lampe peut encore fonctionner, remplacez-la au bout de 1500 heures
(2000 heures : mode Eco) pour conserver une performance optimale
de votre projecteur.
ATTENTION
•
NE TOUCHEZ PAS A LA LAMPE juste après qu’elle ait été utilisée. Elle est très
chaude. Eteignez le projecteur laisse au moins trois minutes d’intervalle après
avoir éteint le projecteur et débranchez le câble d’alimentation. Laissez la refoidir
pendant au moins une heure avant de la manipuler.
•NE RETIREZ PAS LES VIS excepté la vis du couvercle de la lampe et deux vis
du coffret de la lampe. Une décharge électrique pourrait en résulter.
•Le projecteur s’éteint et entrer en mode d’attente après 1600 heures
(2100 heures : mode Eco) de service. Dans ce cas, remplacez la lampe.
Si vous continuez à utiliser la lampe après 1500 heures (2000 heures :
mode Eco) d’utilisation, l’ampoule de la lampe risque d’éclater, et des
bris de glaces risquent d’être dispersés dans le boîtier de la lampe. Ne
les touchez pas car elles peuvent vous blesser. Dans ce cas, contactez
votre revendeur NEC afin de procéder au remplacement de la lampe.
Pour remplacer la lampe:
1. Dévissez la vis du couvercle de la lampe jusqu’à ce que le tournevis
tourne librement et retirez le couvercle de la lampe. La vis du
couvercle de la lampe ne peut pas être retirée.
2. Dévissez les deux vis fixant le coffret de la lampe jusqu’à ce que le
tournevis touren librement. Les deux vis ne peuvent pas être
retirées.
Retirez le coffret de la lampe en tirant la poignée.
REMARQUE: Il y a un contact de sécurité sur le boîtier pour éviter le risqued’électrocution. N’essayez pas de contourner ce contact de sécurité.
3. Insérez un coffret de lampe neuve dans la prise.
ATTENTION: N’utilisez pas une lampe autre que la lampe de remplacementNEC (GT50LP).  Commandez-la de votre revendeur NEC.
Fixez-le à l’aide de deux vis.
Assurez-vous de visser les deux vis.
4. Refixez le couvercle de la lampe.
Serrez la vis du couvercle de la lampe.
Assurez-vous de visser la vis du couvercle de la lampe.
5. Après avoir installé une lampe neuve, sélectionnez [Options du
Projecteur] → [Réglage] → [Page 6] → [Durée d’utilisation
lampe] pour remettre le compteur d’heures d’utilisation de la
lampeà zéro.
REMARQUE: Si la lampe a servi pendant plus de 1600 heures (2100 heures :
mode Eco), le projecteur ne peut pas être allumé et le menu n’est pas affiché. Si
cela se produit, appuyez sur le bouton HELP sur la télécommande pendant au-
moins 10 secondes pendant le mode de veille. Lorsque le compteur de durée
d’utilisation de la lampe est remis sur zéro, le témoin STATUS disparaît. 
						

							E – 55
Nettoyage ou remplacement du filtre
Le coussin éponge du filtre à air maintient l’intérieur du projecteur
GT2150 à l’abri de la poussière ou de la saleté et doit être nettoyé
toutes les 100 heures d’utilisation (plus souvent dans les endroits
poussiéreux). Si le filtre est sale ou bouché, le projecteur risque de
surchauffer.
PRECAUTION
•Coupez l’alimentation et débranchez le projecteur avant de remplacer
le filtre.
•Nettoyez uniquement le couvercle extérieur du filtre avec un aspirateur.
•N’essayez pas de faire fonctionner le projecteur sans filtre.
•Votre projecteur à affichage à cristaux liquides ne fonctionnera pas
tant que le filtre ne sera pas installé correctement.
Pour nettoyer le filtre à air:
Aspirez le filtre à travers le couvercle de filtre.
Pour remplacer le filtre à air:
1. Retirez-vous le le filtre en poussant au-dessus sur la prise.
2. Réinstallez le panneau du filtre.
REMARQUE: Ne détachez pas le coussin éponge du couvercle de filtre. Ne
lavez pas le filtre au savon et à l’eau. Le savon et l’eau endommageront la
membrane du filtre. Avant de remplacer le filtre à air, dépoussiérez et nettoyez
le coffret du projecteur. Maintenez propre pendant le remplacement du filtre.
3. Après avoir installé un filtre neuve, sélectionnez [Options du
Projecteur] → [Réglage] → [Page 6] → [Pour effacement filtre]
pour remettre le compteur d’heures d’utilisation de le filtre zéro.
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The Please clean the filters message will be displayed each time the
projector is turned on after it has been used in excess of 100 hours.
Should this message appear, clean the filters.
REMARQUE:
* Ce message peut être activé ou déactivé en utilisant loption Message -
Nettoyer les filtres  du menu de configuration (Setup). Voir page E-48.
* Après le nettoyage des filtres et remise à zéro du temps dutilisation des
filtres, le message ne saffichera plus.
Voir page E-50 pour la remise à zéro du temps dutilisation des filtres. 
						

							E – 56
7. TROUBLESHOOTING
This section helps you resolve problems you may encounter while setting up or using the projector.
Standby Normal
ON-Timer setting
Cooling down
Lamp in Normal mode
Lamp in Eco mode
3 minutes after lamp is turned on in
Eco mode
Lamp has reached its end of life
(1500 hours or over)
Lamp life has reached its end of life
(1600 hours or over)
Lamp cover, filter cover or lens holder
error (3 locations)
Temperature error
Fan error
Lamp error
Power/ Status Light Messages
Common Problems & Solutions
Condition
Does not turn on
No picture
Image isn’t square to the
screen
Picture is blurred
Image is scrolling ver tically,
horizontally or both
Remote control does not
work
Status indicator is lit or blink-
ing
Cross color in RGB mode•Check that the power cable is plugged in and that the power button on the projector cabinet or the remote
control is on.
•Ensure that the lamp cover is installed correctly. See page E-52 or E-54.
•Check to see if the projector has overheated or the lamp usage exceeds 1600 hours (2100 hours in Eco
mode). If there is insufficient ventilation around the projector or if the room where you’re presenting is particu-
larly warm, move the projector to a cooler location.
•Use the menu to select your source (Video1/2, S-Video, RGB1/2 or DVI DIGITAL. See page E-41.
•Ensure your cables are connected properly.
•Use menus to adjust the brightness and contrast. See page E-42.
•Remove the lens hood cap.
•Reset the settings or adjustments to factory preset levels using the Factory Default. See page E-46.
•Reposition the projector to improve its angle to the screen. See page E-22.
•Use the Keystone to correct the trapezoid distortion. See page E-45.
•Adjust the focus. See page E-21.
•Reposition the projector to improve its angle to the screen. See page E-22.
•Ensure that the distance between the projector and screen is within the adjustment range of the lens. See
page E-12.
•Use menus or a source button on the remote control or the cabinet to select the source you want to input.
•Install new batteries. See page E-10.
•Make sure there are no obstacles between you and the projector.
•Stand within 22 feet (7 m) of the projector. See page E-10.
•See the Power/ Status Light messages above.
•If Auto Adjust is off, turn it on. If Auto Adjust is on, turn it off and balance the image with the Position and Clock
Adjust. See page E-43.
Problem Check These  Items
Steady orange
Steady orange
Blinking green
Steady green
Steady green
Steady green
Steady green
Steady orange
Steady orange
Steady orange
Steady orange
Steady orange–
Blinking green (4 sec interval)
–
–
Steady green
Blinking green
Steady red (Normal mode)/
Steady orange (Eco mode)
Steady red
Blinking red (1 sec interval)
Blinking red (4 sec interval)
Blinking red (8 sec interval)
Blinking red (12 sec interval)–
On Timer is active
Blinks green for 60 seconds
–
–
Fixed at Normal mode. Lamp mode can
be changed on the menu
Message appears on screen during 1500-
1600 hours of lamp usage. The projector
reaches its end of life. Please replace the
lamp as soon as possible.
The projector is in standby mode and can-
not be turned on.
The projector is in standby mode and can-
not be turned on.
The projector is in standby mode and can-
not be turned on.
The projector is in standby mode and can-
not be turned on.
The projector is in standby mode and can-
not be turned on.
Power Indicator Status Indicator
Note
Lamp Light Messages
Lamp Remaining Time
100 – 50%
50 – 25%
25 – 0%Indicator
Steady green
Steady orange
Steady red 
						

							E – 57
8. SPECIFICATIONS
This section provides technical information about the GT2150  Projector’s performance.
Model Number GT2150
Optical
LCD Panel 1.3 p-Si TFT active-matrix with Micro Lens Array, 1366
1024 native resolution up to 1600
1200 with Advanced
AccuBlend Technology
Lamp 250 W NSH lamp
Lamp Life Eco-mode 2000 hours/Normal mode 1500 hours
The lamp, under normal operating conditions, is warranted for 1500 hours of operation time within 6 months.
Lens Options Motorized zoom (except GT10RL lens) and Motorized focus
GT19ZL : F2.0-2.5  f=48.9-63.7mm
GT13ZL : F2.3-2.8  f=34.5-42.5mm
GT34ZL : F2.5-3.4  f=92.4-140.6mm
GT10RL : F2.3  f=27mm
Lens Shift Ver tical +/- 0.5V
(GT19ZL and GT34ZL) Horizontal +/- 0.25H
Image Size GT19ZL/GT13ZL/GT10RL: 40 - 300 inches (1016 - 7620 mm) diagonal
GT34ZL : 80-500 inches (2032-12700 mm) diagonal
Projection Distance GT19ZL lens : 4.8 - 48.0 ft (1.5 - 14.6 m)
GT10RL lens : 2.7-20.0 ft (0.8m-6.1m )
GT13ZL lens : 3.5-32.0 ft (1.1m-9.8m )
GT34ZL lens : 18.1-173.2 ft (5.5m-52.8m )
Projection Angle GT19ZL: -9.0 degree (tele) / 11.7 degree (wide)
GT13ZL: -13.3 degree (tele) / 16.4 degree (wide)
GT34ZL: -4.0 degree (tele) / 6.2 degree (wide)
Electrical
Input Connections RGB/YCr/Cb/H(HV)V  5 BNC
1,  RCA (L/MONO, R)
1
RGB D-Sub 15 pin
1, RCA (L/MONO, R)
1
DVI DIGITAL DVI-D (Max resolution : SXGA@60Hz) x 1, RCA (L/MONO, R)
1
Video BNC
1, RCA
1, RCA (L/MONO, R)
1
S-Video Mini DIN 4
1, RCA (L/MONO, R)
1
PC Card Slot
1
Output Connections RGB DVI-D
1, D-Sub 15 pin
1, RCA (L/MONO, R)
1
Other Input/Output Remote Control Stereo mini jack ;IN x 1; OUT
1
PC Control D-Sub 9 pin; IN
1;OUT
1
SW Control D-Sub 15
1
SC. TRIGGER Stereo mini jack
1
Input Compatibility NTSC / PAL / PAL60 / SECAM / NTSC4.43, YCbCr Component, HDTV-1080I, 720p, 480p,
480I, VGA, SVGA, XGA, SXGA / UXGA (with Advanced AccuBlend)
Sychronization Horizontal Frequency : 15 - 107 kHz (RGB : 24 kHz or over)
Range Ver tical Frequency : 48 - 120 Hz
Video Bandwidth RGB: 100 MHz
Color Reproduction Full color, 16.7 million colors simultaneously
Horizontal Resolution 550 TV lines : NTSC / PAL / NTSC4.43 / YCbCr
350 TV lines : SECAM
RGB: 1024 dots horizontal, 768 dots vertical
Built-in Speakers 5W
2
Power Requirement 100 - 120VAC / 200 - 240 VAC, 50 / 60 Hz
Input Current 4.2 A (100 - 120 VAC) / 2.0A (200 - 240 VAC) 
						

							E – 58
LCD panels are inherently susceptible to bad pixels. The LCD panel may have pixel failures at the rate of 0.01% or less.
We provide information about our projectors through the World Wide Web at 
http://www.nec-pj.com/
The specifications are subject to change without notice.
Mechanical
Dimensions 16.5 (W)
7.7 (H)
19.4 (D) / 419 mm (W)
195 mm (H)
494 mm (D) (not including feet)
Net Weight 28.3 lbs / 12.8 kg (not including lens)
Environment Operational Temperatures: 32˚ - 95˚F (0˚ to 35˚C), 20 - 80% humidity
Storage Temperatures: 14˚ - 122˚F (-10˚ to 50˚C), 20 - 80% humidity
Regulations UL Approved (UL 1950, CSA 950)
Meets DOC Canada Class B requirements
Meets FCC Class B requirements
Meets AS/NZS3548 Class B
Meets EMC Directive (EN55022, EN55024, EN61000-3-2, EN61000-3-3)
Meets Low Voltage Directive (EN60950, TUV GS Approved) 
						

							E – 59
Cabinet Dimensions
Unit = inch (mm)
16.5 (419)
19.4 (494)
8.2 (209)
4.6 (118)
7.7 (195)
MENU
ENTERCANCELSELECTLENS SHIFT LEFT
ZOOM FOCUSUP
DOWNRIGHTAUTO
ADJUST
LAMP STATUS POWER
ON / STAND BY SOURCE
L/MONO
L/MONO
RGB 2
RGB 1
VIDEO 1
VIDEO 2
S-
VIDEO AUDIO OUTR/Cr G/Y B/Cb
V H/HVR
L/MONO R
L/MONO R L/MONO RR
L/MONO R
OUTPUT
DVI DIGITAL
DVI DIGITAL
ANALOG
REMOTE 1 PC CONTROL
REMOTE2
AC IN  SC. TRIGGER OUT OUTIN IN
PC CARD
Lens center
Lens center
Optional Accessories
Lens Optional lens (Fixed short throw: 1.0) GT10RL
Optional lens (Zoom: 1.3 – 1.6) GT13ZL
Optional lens (Zoom: 1.8 – 2.4) GT19ZL
Optional lens (Zoom: 3.4 – 5.2) GT34ZL
Lamp Replacement lamp GT50LP
Ceiling Mount Kit for ceiling mount installation GT50CM
Expansion moduleLAN module GT50LAN
Remote Control Presentation remote control kit PR51KIT
9. Appendix 
						

							E – 60
D-Sub Pin Assignments
Mini D-Sub 15 Pin Connector (RGB2)
Pin No. RGB Signal (Analog) YCbCr Signal
1 Red Cr
2 Green or Sync on Green Y
3Blue Cb
4 Ground
5 Ground
6 Red Ground Cr Ground
7 Green Ground Y Ground
8 Blue Ground Cb Ground
9 No Connection
10 Sync Signal Ground
11 Ground
12 Bi-directional DATA (SDA)
13 Horizontal Sync or Composite Sync
14 Vertical SyncSignal Level
Video signal : 0.7Vp-p (Analog)
Sync signal : TTL level
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