NEC RT50X User manual

50” LCD Rear Projection Display
RT50X
User’s Manual
POWER
STATUS
ON
/
STANDBY
M
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N
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E
N
T
E
R
C
A
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SELECT
AUTOADJUST
RGB
VIDEO
S-VIDEO
RGBINPUT
FRONT
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REARAUDIO
AUDIO
L/MONOR
S-VIDEOVIDEO
English
Deutsch
Français
Italiano
Español
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LIMITED WARRANTY
Except as specified below, the warranty that may be provided by the
dealer covers all defects in material or workmanship in this product.
The following are not covered by the warranty:
1. Any product on which the serial number has been defaced, modified
or removed.
2. Damage, deterioration or malfunction resulting from;
a. Accident, misuse, abuse, neglect, fire, water, dust, smoke, lightning or
other acts of nature, unauthorized product modification, or failure to fol-
low instructions supplied with the product.
b. Repair or attempted repair by non-authorized persons.
c. Any shipment of product (claim must be presented to the carrier).
d. Removal or installation of the product.
e. Any other causes which do not relate to a product defect.
3. Cartons, carrying cases, batteries, external cabinets, CDROM, or
anyaccessories used in connection with the product.
4. Removal or installation charges.
5. Cost of initial technical adjustments (set-up), including adjustment of
user controls. These costs are the responsibility of the dealer from
whom the product was purchased.
6. Payment of shipping charges.
GARANTIE LIMITEE
Misàpartlespointindiquésci-dessous,lagarantiepouvantêtrecouverte
par le revendeur comporte l'ensemble des défauts se rapportant au
matériel ou aux travauxd'assemblagesurceproduit.Lespointssuivants
ne sont pas couverts par la garantie:
1. Les produits dont les numéro de série a été effacé, modifié ou retiré.
2. Dommages, dégâts ou dysfonctionnement suite à;
a. Unaccident,mauvaiseutilisation, abus,négligences,incendies,dégatsdûs
aux eaux, à la poussière, à la fumée, aux éclairs ou autres phénomènes
naturels,àunemodificationnonautoriséeduproduit,ouàlanon-conformité
aux instructions fournies avec le produit.
b. Réparation ou tentative de réparation par des personnes non autorisées.
c. Touteexpéditiondu produit(lesplaintesdoiventêtreadresséesàlasociété
de frêt).
d. Démontage ou installation du produit.
e. Toute autre cause ne se rapportant pas à un défaut du produit.
3. Les cartons, boîtes, piles, caissons externes, CDROM, ou tout autre
accessoire utilisé avec ce poduit.
4. Prix de démontage ou d'installation.
5. Coût des réglages techniques de base (mise au point), incluant les
réglages des commandes utilisateurs.Ces coûts sont placés sous la
responsabilité du revendeur auprès duquel le produit a été acheté.
6. Paiement des frais de transport.
BESCHRÄNKTE GARANTIE
Außer in den unten beschriebenen Fällen deckt die vom Händler unter
Umständen gewährte Garantie alle Material- oder Herstellungsfehler
dieses Produktes ab. In den folgenden Fällen wird keine Garantie
gewährt:
1. Wenn die Seriennummer des Produktes unleserlich gemacht,
geändert oder entfernt worden ist.
2. Bei einer Beschädigung, Beeinträchtigung oder Funktionsstörung,
die aus folgenden Fällen resultiert:
a. Unfall,falscherGebrauch,Missbrauch,Fahrlässigkeit,Feuer,Wasser,Staub,
Rauch, Blitzeinschlag oder andere Naturereignisse, nicht autorisierte
Veränderungen des Produktes oder die Missachtung der dem Produkt
beigefügten Anleitung.
b. Reparatur oder der Versuch einer Reparatur durch nicht autorisierte
Personen.
c. Jeglicher Transport des Produktes (die Haftung liegt in diesem Fall bei der
den Transport durchführenden Person).
d. Entfernung oder Installation des Produktes.
e. Jegliche andere Ursachen, die nicht mit einem Defekt dieses Produktes
zusammenhängen.
3. Verwendung von Kartons, Transportkisten, Batterien,
Außengehäusen, CD-ROMs oder anderem Zubehör zusammen mit
diesem Produkt.
4. Entfernungs- oder Installationsforderungen und –kosten.
5. Kosten dertechnischenAnfangseinstellungen(Setup),einschließlich
der Einstellungen der Benutzersteuerungen.Diese Kosten sind vom
Händler zu tragen, von dem das Produkt erworben wurde.
6. Bezahlung von Transportkosten.
GARANZIA LIMITATA
A parte la specificazione seguente, la graanzia che potrebbe essere
fornita dal rivenditore copre tutti i difetti di materiali o nella lavorazione
in questo prodotto. I seguenti non sono coperti dalla garanzia :
1. Ogni prodottocheha ilnumeroserialedifettoso,modificatoo rimosso.
2. Danni, deterioramento o malfunzionamento risultanti da;
a. Incidenti,abuso,cattivouso,negligenza,fuoco,acqua,polvere,fumo,fulmini
o altri atti naturali di tipo naturale, modifiche inautorizzate del prodotto, o
errori nel seguire le istruzioni fornite con il prodotto.
b. Riparazioni o tentativi di riparazioni effettuati da persono non autorizzate.
c. Qualsiasi trasporto del prodotto (i reclami devono essere presentati dal
corriere).
d. Rimozione o installazione del prodotto.
e. ogni altra causa non relativa ad un deficit del prodotto.
3. Cartoni, scatole di trasporto, batterie, armadietti esterni, CDROM, o
qualsiasi altro accessorio annesso al prodotto.
4. Carichi di rimozione o installazione.
5. Costi di aggiustamenti tecnici iniziali (set-up), includendo i comandi
di regolazione. Il rivenditore dal quale avete acquistato il prodotto è
responsabile di ciò.
6. Pagamento delle spese di consegna.
GARANTÍA LIMITADA
A excepción de lo que se especifica abajo, la garantía que puede ser
suministrada por el distribuidor cubre todos los defectos en material o
elaboraciónenesteproducto.Lo siguiente no es cubiertoporlagarantía:
1. Cualquier producto enelcual elnúmeroserial haya sidodesfigurado,
modificado o removido.
2. Daños, deterioro o malfuncionamiento resultado de;
a. Accidente, mal manejo, abuso, negligencia, fuego, agua, polvo, humo,
relámpagosuotrosfenómenosnaturales,modificaciones delproductosin
autorización, fallas en el seguimiento de las instrucciones suministradas
con el producto.
b. Reparación o intentos de reparación por personas no autorizadas.
c. Cualquierenvíodelproducto(elreclamodebepresentarsealtransportador).
d. Remoción o instalación del producto.
e. Cualquierotra causa que no esterelacionada con un defecto delproducto.
3. Cartones,estuchesdetransporte,pilas, gabinetes externos,CDROM,
o cualquier accesorio utilizado en conexión con el producto.
4. Costos por instalación o remoción.
5. Costo de los ajustes técnicos iniciales (configuración), incluyendo el
ajuste de los controles de usuario.Estos costos son responsabilidad
del distribuidor donde se adquirió el producto.
6. Pago de los costos de envío.
BEGRÄNSAD GARANTI
Garantin som ges av återförsäljaren täcker alla brister i material och
utförande med undantag av vad som anges nedan. Följande täcks inte
av garantin:
1. Produkter vars serienummer har blivit oläsligt, modifierats eller tagits
bort.
2. Skador, försämring eller felfunktion som beror på:
a. Olyckor,felbruk, missbruk, vanskötsel,brand, vatten, rök,stoft, åska eller
annan orsak som beror på naturen, icke auktoriserad modifikation av
produkten samt underlåtenhet att följa anvisningarna som lämnas med
produkten.
b. Reparationer eller försök på reparation av icke auktoriserade personer.
c. Transportskador (dessa bör riktas till transportföretaget).
d. Avmontering eller installation av produkten.
e. Övriga orsaker som inte har något samband med produktens fel.
3. Förpackningslådor, bärväskor, batterier, externa höljen, CD-ROM-
skivorsamtandratillbehörsomanvändstillsammansmedprodukten.
4. Avmonterings- och installationskostnader.
5. Kostnader för tekniska justeringar (inställning), inklusive justering av
användarreglagen. Dessa kostnader är återförsäljarens ansvar där
produkten köpts.
6. Betalning för transportkostnader.

Product Registration Card
PLACE
CORRECT
POSTAGE
HERE
ATTN: CUSTOMER SERVICE & SUPPORT
NEC TECHNOLOGIES, INC.
VISUAL SYSTEMS DIVISION
1250 N. ARLINGTON HEIGHTS RD.
ITASCA, IL 60143-1248
NEC Technologies
Projectors
USA and Canada Only

Register your projector!!
In order to qualify for the One Business Day
replacement coverage portion of InstaCare:
Visit our website at www.nectech.com, click on
product registration, then on presentation products and
submit your completed form online, or return this
completed registration card.
Upon receipt, we’ll send a confirmation letter
with all the details you'll need to take advantage
of fast, reliable warranty and service programs from the
company that provides:
Solutions with Vision, NEC Technologies.
NEC Technologies, the NEC Technologies Spirit icon and InstaCare are registered trademarks, and InstaCare Xpress and
TravelCare are service marks of NEC Technologies Inc. NEC is a registered trademark of NEC Corporation. SMARTer
Kids is a trademark of the SMARTer Kids Foundation. DLP is a trademark of Texas Instruments Inc. GT, RT and DT Series
projectors are covered by InstaCare three-day repair/return service only. InstaCare and InstaCare Xpress service is
available only in the U.S. and Canada. *Airline restrictions and flight availability may apply for InstaCare Xpress
service.
REGISTRATION CARD FOR NEC TECHNOLOGIES PROJECTORS
THANK YOU
Thank you for your purchase of an NEC Technologies
projector. By purchasing an NEC projector, you are
able to access the best limited warranty and service
programs available in the industry today.
InstaCare
®
service provides for the repair and return of
your projector within three business days. For the ultimate
in hassle free service, NEC pays for the round-trip
shipping.
When time matters most and overnight replacement is
not fast enough,
InstaCare Xpress ,
SSM
available for a
nominal fee, provides for a “next available flight”
replacement option*.
TravelCare
SM
allows projector customers to receive
service on their projector when traveling internationally,
regardless of where the projector was originally
purchased.
With a full compliment of warranty and service
programs from NEC, you’ll never be stranded at
work or on the road!
Zip+4/Postal Code
What types of products do you currently use and what products are you interested in within the next 12 months?
Corporate Government
State Federal
Education Other
K-12 Higher Ed Fill in BlankLocal
Which segment most closely identifies the market that you will use the product in
<100 100-999 >1000
Please indicate the # of employees at your company Yes No
E-Mail Mail
Can we contact you about new
product offerings in the future? via
Currently Use Interested
LCD Projectors
DLP
TM
Projectors
High Light Output Projectors
CRT Projectors
Home Theatre
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Single/Multi CPU Servers
Currently Use Interested
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Title
Company Name
Street Address Apt. #
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-
AREA CODE
Please indicate which product was purchased
Date of Purchase Model #
Serial #
MONTH DAY YEAR
If your market segment is Education, did you purchase through the SMARTer Kids
TM
Foundation? Yes No

4. It shall be your obligation and expense to ship the product, freight
prepaid, or to deliver it to a NECTECH authorized service center, in
either the original package or a similar package affording an equal
degree of protection.
5. In the event a product is returned to NECTECH for warranty service,
and it is determined that there is no product defect or that the prod-
uct condition is not covered by this limited warranty, a diagnostic
service fee may be charged to the customer.
LIMITATION OF IMPLIED WARRANTIES
EXCEPTASEXPRESSLYSETFORTHINTHISLIMITEDWARRANTY,
NECTECH MAKES NO OTHER WARRANTIES, EXPRESS OR IM-
PLIED, INCLUDING BUT NOT LIMITEDTO ANY IMPLIEDWARRAN-
TIESOR CONDITIONS OFMERCHANTABILITYAND FITNESS FOR
APARTICULARPURPOSE. ANYIMPLIEDWARRANTIESTHATMAY
BE IMPOSED BY LAW ARE LIMITED TO THE TERMS AND DURA-
TION OF THIS LIMITED WARRANTY.
EXCLUSION OF DAMAGES
NECTECH'S LIABILITY FOR ANY DEFECTIVE PRODUCT IS LIM-
ITED TO THE REPAIR OR REPLACEMENT OF THE PRODUCT AT
NECTECH'S OPTION. NECTECH SHALL NOT BE LIABLE FOR:
1. DAMAGETO OTHER PROPERTY CAUSED BY ANY DEFECTS IN
THIS PRODUCT, DAMAGES BASED UPON INCONVENIENCE,
LOSS OF USE OF THE PRODUCT, LOSS OF TIME, COMMER-
CIAL LOSS; OR
2. ANYOTHERDAMAGES,WHETHERINCIDENTAL, CONSEQUEN-
TIAL OR OTHERWISE.
HOW STATE LAW RELATES TO THE WARRANTY
SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG AN
IMPLIED WARRANTY LASTS AND/OR DO NOT ALLOW THE EX-
CLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL
DAMAGES, SO THE ABOVE LIMITATIONS AND EXCLUSIONS MAY
NOT APPLY TOYOU. THIS LIMITED WARRANTY GIVESYOU SPE-
CIFICLEGALRIGHTS,ANDYOU MAYHAVEOTHERRIGHTSWHICH
VARY FROM STATE TO STATE.
FOR MORE INFORMATION, CONTACT:
NEC TECHNOLOGIES, INC.
1250 N. Arlington Heights Road, Suite 500
Itasca, Illinois 60143-1248
TELEPHONE [phone]
Customers are cautioned that product performance is affected by sys-
tem configuration, software, the application, customer data, and op-
erator control, among other factors. While NECTECH products are
considered to be compatible with many systems, the specific func-
tionalimplementation bythecustomers of the productmayvary. There-
fore, the suitability of a product for a specific purpose or application
must be determined by the customer and is not warranted by
NECTECH.
LIMITED WARRANTY (USA and Canada only)
NEC TECHNOLOGIES' PROJECTOR PRODUCTS
NECTechnologies, Inc.(hereafter NECTECH) warrants this product to
be free from defects in material and workmanship under the following
terms.
HOW LONG IS THE WARRANTY
NEC Technologies' RT50X projectors are covered by a one (1) year
parts and labor limited warranty from the date of the first customer
purchase.The lamp is warranted for 2000 hours of operating time or
six months, whichever comes first.
WHO IS PROTECTED
This warranty may be enforced only by the first purchaser, and is not
transferable.
WHAT IS COVERED AND WHAT IS NOT COVERED
Except as specified below, this warranty covers all defects in material
or workmanship in this product. NECTECH'S LIABILITY FOR ANY
DEFECTIVE PRODUCT IS LIMITEDTOTHE REPAIR OR REPLACE-
MENTOFTHE PRODUCTAT NECTECH'S OPTION.REPLACEMENT
PRODUCTSMAY BE NEW OR 'LIKE NEW'.Thefollowing are not cov-
ered by the limited warranty and NECTECH shall not be liable for:
1. Any product which is not distributed in the U.S.A. or Canada by
NECTECH or which is not purchased, installed, and operated in the
U.S.A or Canada.
2. Anyproduct onwhichthe serial numberhas beendefaced, modified
or removed.
3. Normal decrease in lamp light output over time.
4. Damage, deterioration or malfunction resulting from:
a. Accident, misuse, abuse, neglect, improper ventilation, fire, smoke, wa-
ter, dust, lightning or other acts of nature, unauthorized product modifi-
cation, or failure to follow instructions supplied with the product.
b. Repair or attempted repair by anyone other than a NECTECH authorized
service center.
c. Any shipment of the product (claims must be presented to the carrier).
d. Removal or installation of the product.
e. Any other cause which does not relate to a product defect.
f. Use of the product beyond normal operating conditions. Normal operat-
ingconditionsaredefinedasproductusenotinexcessof5hoursperday
and 260 days per year.
5. Cartons, carrying cases, shipping cases, batteries, external cabi-
nets, magnetic tapes, or any accessories used in connection with
the product.
6. Service required as a result of third party components.
WHAT NECTECH WILL PAY FOR
NECTECH will pay labor and material expenses for covered items,
but NECTECH will not pay for the following:
1. Removal or installation charges.
2. Costs of technical adjustments, set-up, maintenance, or adjustment
of user controls.
3. Payment of shipping and related charges incurred in returning the
product for warranty repair.
HOW YOU CAN GET WARRANTY SERVICE
1. To obtain service on your product, consult the dealer from whom
you purchased the product.
2. Whenever warranty service is required, the original dated invoice
(or a copy) must be presented as proof of warranty coverage. In
order to obtain warranty service, you may be required to describe
and demonstrate the problem to your dealer or to NECTECH.
3. All products returned to NECTECH for service
MUST have prior approval.To receive approval or for the name of
the nearest NECTECH authorized service center, call NEC Tech-
nologies at 800-836-0655.

DECLARATION OF CONFORMITY
This device complies with Part 15 of FCC Rules. Operation is subject to the following two conditions. (1) This device may
not cause harmful interference, and (2) this device must accept any interference received, including interference that may
cause undesired operation.
U.S. Responsible Party:
Address:
Tel. No.:
NEC Technologies, Inc.
1250 N. Arlington Heights Road
Itasca, Illinois 60143
[phone]
Type of Product:
Equipment Classification:
Models:
LCD Projector
Class B Peripheral
RT50X
We hereby declare that the equipment specified above
conforms to the technical standards as specified in the FCC Rules.

50” LCD Rear Projection Display
RT50X
User’s Manual
English
Deutsch
Français
Italiano
Español
Svenska

E – 2
Precautions
Please read this manual carefully before using your NEC RT50X rear
projection display and keep the manual handy for future reference.
Your serial number is located under the name plate label on the right
side of your RT50X. Record it here:
CAUTION To turn off main power,be sure to remove the plug
from power outlet.
The power outlet socket should be installed as
near to the equipment as possible,and should be
easily accessible.
CAUTION TO PREVENT SHOCK, DO NOT OPENTHE CABI-
NET.
NO USER-SERVICEABLE PARTS INSIDE.
REFER SERVICINGTO QUALIFIED NEC SERVICE
PERSONNEL.
This symbol warns the user that uninsulated voltage
within the unit may be sufficient to cause electrical
shock.Therefore, it is dangerous to make any kind of
contact with any part inside of the unit.
This symbol alerts the user that important information
concerning the operation and maintenance of this unit
hasbeenprovided.Theinformation should be read care-
fully to avoid problems.
WARNING
TO PREVENT FIRE OR SHOCK,DO NOT EXPOSETHIS UNITTO
RAIN OR MOISTURE.
DO NOT USETHIS UNIT’S GROUNDED PLUGWITH AN EXTEN-
SION CORD OR IN AN OUTLET UNLESS ALLTHREE PRONGS
CAN BE FULLY INSERTED.
DONOT OPENTHE CABINET.THERE ARE HIGH-VOLTAGE COM-
PONENTS INSIDE.ALL SERVICING MUST BE DONE BY QUALI-
FIED NEC SERVICE PERSONNEL.
DOC Compliance Notice
This Class B digital apparatus meets all requirements of the Canadian
Interference-Causing Equipment Regulations.
3. GSGV Acoustic Noise Information Ordinance:
The sound pressure level is less than 70 dB (A) according to ISO 3744
or ISO 7779.
IMPORTANT INFORMATION
•IBM is a registered trademark of International Business Machines
Corporation.
•Macintosh and PowerBook are registered trademarks of Apple Com-
puter, Inc.
•Other product and company names mentioned in this user's manual
may be the trademarks of their respective holders.
RF Interference
WARNING
The Federal Communications Commission does not allow any
modifications or changes to the unit EXCEPT those specified by
NEC Technologies in this manual.Failure to comply with this gov-
ernment regulationcould voidyourright tooperatethis equipment.
This equipment has been tested and found to comply with the lim-
its for a Class B digital device, pursuant to Part 15 of the FCC
Rules.These limits are designed to provide reasonable protection
againstharmful interferencein aresidentialinstallation.This equip-
mentgenerates,uses,and can radiateradio frequency energyand,
if not installed and used in accordance with the instructions, may
causeharmful interferenceto radio communications.However,there
is no guarantee that interference will not occur in a particular in-
stallation.If this equipment does cause harmful interference to ra-
dio or television reception, which can be determined by turning the
equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
•Reorient or relocate the receiving antenna.
•Increase the separation between the equipment and receiver.
•Connect the equipment into an outlet on a circuit different from
that to which the receiver is connected.
•Consult the dealer or an experienced radio / TV technician for
help.
In UK, a BS approved power cable with moulded plug has a Black (five
Amps) fuse installed for use with this equipment.If a power cable is not
supplied with this equipment please contact your supplier.

E – 3
Important Safeguards
These safety instructions are to ensure the long life of your rear projec-
tion display and to prevent fire and shock. Please read them carefully
and heed all warnings.
Installation
•For best results, use your rear projection display in a darkened room.
•Place the rear projection display on a flat, level surface in a dry area
away from dust and moisture.
•Do not place your rear projection display in direct sunlight, near heat-
ers or heat radiating appliances.
•Exposure to direct sunlight, smoke or steam can harm internal com-
ponents.
•Handle your rear projection display carefully.Dropping or jarring can
damage internal components.
WARNING:
Be sure to use the supplied chains to prevent against the rear pro-
jection display overturning.
The chains, wall or pillar must withstand a force of 30 kg/66 lbs.
Make sure that the chains are kept tight. Slack in the chains may
result in the rear projection display overturning and causing injury.
WARNING:
Special techniques are required for the other installation work than
standard should only be undertaken by qualified installers.
NEC Technologies, Ltd will not accept any responsibility related to
any accidents or incidents due to insufficient or inferior installing
techniques.Please consult your dealer for more information.
WARNING:
To prevent the rear projection display from overturning, install it on a
level place and fasten it in a way with sufficient strength to support
the combined weight (49 kg) of the rear projection display (47 kg)
and the stand (2.0 kg) for an extended period of time as well as to
withstand earthquakes. Insufficient strength or fastening may result
in the rear projection display overturning and causing injury.
•Do not place the rear projection display on an unstable cart, stand, or
table.
•Do not climb, stand, or hang on the top.
•When attaching the supplied stand to the rear projection display, be
sure to secure the stand with a band.
Do not place heavy objects with a weight of 15 kg or more on top of
the stand.
• Do not place heavy objects on top of the rear projection display.
Power Supply
1.The rear projection display is designed to operate on a power supply
of 100-120 or 200-240 V 50/60 Hz AC. Ensure that your power sup-
ply fits this requirement before attempting to use your rear projection
display.
2. Handle the power cable carefully and avoid excessive bending. A
damaged cord can cause electric shock or fire.
3.If the rear projection display is not to be used for an extended period
of time, disconnect the plug from the power outlet.
Cleaning
1. Unplug the rear projection display before cleaning.
2. Clean the cabinet periodically with a damp cloth. If heavily soiled,
use a mild detergent. Never use strong detergents or solvents such
as alcohol or thinner.
3. Be careful not to scratch or mar the screen face.
CAUTION
Do not unplug the power cable from the wall outlet under any one of
thefollowingcircumstances.Doing so can cause damageto the rear
projection display:
*While the Hour Glass icon appears.
*While the message "Please wait a moment." appears.This mes-
sage will be displayed after the rear projection display is turned
off.
*Immediately after the power cable is plugged into the wall outlet
(the POWER indicator has not changed to a steady amber glow).
*Immediately after the cooling fan stops working (The cooling fan
continues to work for 30 seconds after the rear projection display
is turned off with the POWER button).
*WhilethePOWERandtheSTATUSindicatorsarealternatelyflash-
ing.
CAUTION
Do not put the rear projection display on its side when the lamp is
turned on.
Doing so may cause damage to the rear projection display.
CAUTION
Avoid displaying stationary images for a prolonged period of time.
Doing so can result in these images being temporarily sustained on
the surface of the LCD panel.
If this should happen, continue to use your rear projection display.
The static background from previous images will disappear.

E – 4
Lamp Replacement
•To replace the lamp, follow all instructions provided on page E-36.
•Besuretoreplacethelampwhenthemessage"Thelamphasreached
the end of its usable life. Please replace the lamp."appears. If you
continue to use the lamp after the lamp has reached the end of its
usable life, the lamp bulb may shatter, and pieces of glass may be
scattered in the lamp case.Do not touch them as the pieces of glass
may cause injury. If this happens, contact your NEC dealer for lamp
replacement.
•Allow a minimum of 30 seconds to elapse after turning off the rear
projection display. Then disconnect the power cable and allow 60
minutes to cool the rear projection display before replacing the lamp.
Fire and Shock Precautions
1. Ensure that there is sufficient ventilation and that vents are unob-
structed to prevent the build-up of heat inside your rear projection
display. Allow at least 3 inches (10 cm) of space between your rear
projection display and a wall.
2. Prevent foreign objects such as paper clips and bits of paper from
falling into your rear projection display.Do not attempt to retrieve any
objects that might fall into your rear projection display. Do not insert
any metal objects such as a wire or screwdriver into your rear projec-
tion display. If something should fall into your rear projection display,
disconnect it immediately and have the object removed by a qualified
NEC service personnel.
3. Do not place any liquids on top of your rear projection display.

E – 5
TABLE OF CONTENTS
1. INTRODUCTION
Introduction to the RT50X Rear Projection Display............... E-6
Getting Started ....................................................................... E-6
What’s in the Box? ................................................................. E-7
Getting to KnowYour RT50X Rear Projection Display .......... E-8
Front / Rear Features............................................................. E-8
Controls .................................................................................. E-9
Front Terminal Panel ...................................................... E-10
Rear Terminal Panel ...................................................... E-11
Remote Control Features .............................................. E-12
Remote Control Battery Installation ........................ E-14
Operating Range ..................................................... E-14
Remote Control Precautions ................................... E-14
Using the Remote Control in Wired Operation ....... E-15
OperatingYour Computer Mouse
with the Remote Control ....................................... E-16
Switching operation mode between computer
and rear projection display.................................... E-17
2. INSTALLATION
Attaching the Stand to the top
of the rear projection display ............................................. E-18
Attaching the supplied chains to prevent
against overturning ............................................................. ....
Using the RGB INPUT (BNC) on the Rear Terminal Panel. E-20
ConnectingYour PC or Macintosh Computer ...................... E-21
ConnectingYour DVD Player ............................................... E-22
ConnectingYour VCR or Laser Disc Player......................... E-23
3. OPERATION
Connecting the Power Cable
and Turning on the Rear Projection Display ...................... E-24
Basic Operation.................................................................... E-26
Using the Menus .................................................................. E-28
Menu Tree............................................................................. E-29
Menu Elements .................................................................... E-30
Menu Descriptions & Functions ........................................... E-31
Source Select ....................................................................... E-31
RGB/Video/S-Video
Picture .................................................................................. E-31
Brightness/Contrast/Color/Hue/Sharpness
Volume.................................................................................. E-31
Image Options...................................................................... E-31
Color Temperature ......................................................... E-31
Lamp Mode .................................................................... E-32
Gamma Correction ........................................................ E-32
Advanced Options ......................................................... E-32
Aspect Ratio ............................................................ E-32
Noise Reduction ...................................................... E-32
Color Matrix ............................................................. E-32
White Balance ......................................................... E-33
Auto Adjust .............................................................. E-33
Position/Clock .......................................................... E-33
Resolution................................................................ E-33
Factory Default............................................................... E-33
Menu..................................................................................... E-34
Menu Mode .................................................................... E-34
Basic/Advanced
Language ....................................................................... E-34
Projector Pointer ............................................................ E-34
Source Display............................................................... E-34
Volume Bar (Direct Button)............................................ E-34
Menu Display Time ........................................................ E-34
Setup .................................................................................... E-34
Background .................................................................... E-34
Signal Select (RGB) ...................................................... E-34
Signal Select (Video/S-Video) ....................................... E-34
Auto Start ....................................................................... E-35
Power Management....................................................... E-35
Power Off Confirmation ................................................. E-35
Clear Lamp Hour Meter ................................................. E-35
Help ...................................................................................... E-35
Contents......................................................................... E-35
Information ..................................................................... E-35
4. MAINTENANCE
Replacing the Lamp ............................................................. E-36
Cleaning or Replacing the Filters ........................................ E-38
5. TROUBLESHOOTING
Power / Status Light Messages ........................................... E-39
Common Problems & Solutions........................................... E-39
6. SPECIFICATIONS
Specifications ....................................................................... E-40
Cabinet Dimensions ............................................................. E-41
D-Sub Pin Assignments ....................................................... E-42
Compatible Input Signal List ................................................ E-43
PC Control Codes ................................................................ E-44
Cable Connection................................................................. E-45

E – 6
1. INTRODUCTION
RT50X Rear projection display
This section introduces you to the RT50X Rear projection display and
describes its features and controls.
Congratulations on Your Purchase of the RT50X
Rear projection display
The RT50X establishes a new era in rear projection displays available
today. With a 50” viewable screen (measured diagonally), the RT50X
enablesyou to view images from yourPC or Macintoshcomputer (desk-
top or notebook),
DVD player, VCR, document camera, or even a laser disc player. The
RT50X can be setup on a tabletop, cart or installed into a recessed
opening. With both front and rear control panels, easy access is avail-
able for a variety of input and output connections.
Features you’ll enjoy:
• Self contained rear projection display
•50” viewable screen size (diagonal)
•Built in speakers for integrated audio solution
•Easy set up and operation
•Multiple front and rear input choices for RGB, Video and S-Video
sources
•High performance long life lamp for low total operating costs
•4:3 Native aspect ratio
•HDTV, DTV compatibility
•Wired or wireless remote control operation
•VORTEX Technology for uncompromising display of video and data.
Improves white level, color accuracy, dynamic range, and display of
varying levels of black in an image.
•Multiple video mode selections depending on your source. Normal
for a typical picture;Natural for true color reproduction
•NEC Technologies’ exclusive Advanced AccuBlend intelligent pixel
blendingtechnology providesforextremely accurate image compres-
sion with up to SXGA (12801024) resolution*1.
•Supports most IBMVGA,SVGA,XGA, SXGA/UXGA(with Advanced
AccuBlend)*2, Macintosh, component signal (YCbCr /YPbPr) or any
other RGB signals within a horizontal frequency range of 15 to 100
kHz and a vertical frequency range of 50 to 120 Hz. This includes
NTSC, PAL, PAL60, SECAM and NTSC4.43 standard video signals.
NOTE: Composite video standards are as follows:
NTSC: U.S. TV standard for video in U.S. and Canada.
PAL: TV standard used in Western Europe.
PAL60: TV standard used for NTSC playback on PAL TVs.
SECAM: TV standard used in France and Eastern Europe.
NTSC4.43: TV standard used in Middle East countries.
•Control the unit with a PC using the PC Control port.
•Remote control supports eight pointer choices to individualize your
presentation.
*1An SVGA image (800600) is converted to a crisp 1024768 im-
age with NEC Technologies Advanced AccuBlend.
*2An SXGA image (12801024) and a UXGA (16001200) image
are converted into a crisp 1024x768 image with NEC Technologies
Advanced AccuBlend.
Getting Started
As you begin to familiarize yourself with the RT50X product, take a few
minutes now to review the user’s manual. This manual contains de-
tailed information on your product for proper set up and use. At the
beginning of each section you’ll find an overview for that section to aid
in your understanding of the RT50X features and capabilities. At the
end of the manual is a troubleshooting section to help you quickly and
easily resolve problems you may encounter while setting up or using
the product.
Thank you for your purchase of the NEC RT50X Rear projection dis-
play.

E – 7
What's in the Box?
Make sure your box contains everything listed. If any pieces are missing, contact your dealer.
Please save the original box and packing materials if you ever need to ship your RT50X Rear projection display.
POWER
STATUS
ON
/
STANDBY
M
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C
A
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SELECT
AUTOADJUST
RGB
VIDEO
S-VIDEO
RGBINPUT
FRONT
/
REARAUDIO
AUDIO
L/MONOR
S-VIDEOVIDEO
SELECT
PJ
VOLUME
HELP
ASPECT
POINTER
MAGNIFY
MUTE
OFF
VIDEOS-VIDEORGB
AUTOADJ.
POWER
ON
Quick
Connect
Guide
User's
Manual
RT50X Rear Projection Display
Remote control Batterries (AA2)
Remote control cable
Power cable for Europe (AC 220-240V) Power cable for North America (AC 120V) Power cable for Japan (AC 100V)
Ferrite clamp core (for a commercially
available BNC cable. See page E-20 for
attachment instructions) RGB signal cable (15-Pin Mini D-Sub To
15-Pin Mini D-Sub connector) Serial cable
Mouse adapter (USB) Mouse adapter (IBM PS/2)
Stand Chains
See page E-19
Screwdriver

E – 8
Getting to Know Your RT50X Rear Projection Display
Front/Rear Features
POWER
STATUS
ON
/
STANDBY
M
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A
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SELECT
AUTOADJUST
RGB
VIDEO
S-VIDEO
RGBINPUT
FRONT
/
REARAUDIO
AUDIO
L/MONOR
S-VIDEOVIDEO
Screen
Left speaker
Right speaker
Remote sensor
Controls
Front terminal panel
Lamp cover
Rear terminal panel Filter cover

E – 9
RGB INPUT
FRONT
/ REAR AUDIOAUDIO
L/MONO R
S-VIDEO VIDEO
POWER
STATUS
ON
/ STAND BY
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SELECT
AUTO ADJUSTRGBVIDEOS-VIDEO
21 4567 8
9
10113
1. Power Button (ON / STAND BY)
Use this button to turn the power on and off when the power is supplied
and the rear projection display is in standby mode.
NOTE: To turn off the rear projection display, press and hold this button for
minimum of two seconds.
2. Status Indicator
When this is lit red (orange in Eco mode) continually, it’s warning you
that the projection lamp has exceeded 2000 hours (up to 3000 hours in
Eco mode) of service.After this light a ppears, it is advisable to replace
the projection lamp as soon as possible. (See page E-36). In addition
themessage“The lamp has reached the end of its usable life.Please
replace the lamp.” appears continually until the lamp is replaced.
If this light blinks red rapidly, it indicates that the lamp covers or filter
covers are not attached properly or the rear projection display is over
heated.
See the Power / Status Light Messages on page E-39 for more details.
3. Power Indicator ( )
When this indicator is green, the rear projection display is on;when the
indicator is orange, it is in standby mode.
4. S-VIDEO Button
Selects an S-Video source.
5. VIDEO Button
Selects an NTSC, PAL, SECAM or NTSC4.43 compatible video source
from a VCR, DVD player, laser disc player or document camera.
6. RGB Button
Selects a video source from a computer or component equipment con-
nected to your RGB port.
7. AUTO ADJUST Button
Use this button to adjust Position-H/V and Pixel Clock/Phase for an
optimal picture. Some signals may not be displayed correctly or take
time to switch between sources.
8. MENU Button
Displays the menu.
Controls
9. SELECT ▲▼  / Volume Buttons
▲▼ : Use these buttons to select the menu of the item you wish to
adjust.
 :Use these buttons to change the level of a selected menu item.
A press ofthe button executes the selection.Whenno menus
appear, these buttons work as a volume control.
When the pointer is displayed, these ▲▼  buttons move the pointer.
10. CANCEL Button
Press this button to exit the menu. Press this button to return the
adjustments to the last condition while you are in the adjustment
or setting menu.
11. ENTER Button
Executes your menu selection and activates items selected from
the menu.

E – 10
Front terminal panel
RGB INPUT
FRONT
/ REAR AUDIOAUDIO
L/MONO R
S-VIDEO VIDEO
POWER
STATUS
ON
/ STAND BY
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SELECT
AUTO ADJUSTRGBVIDEOS-VIDEO
123456
1 FRONT/REAR Terminal Select Button
Use this button to enable the RGB INPUT terminal on either the front or
the rear panel.This button affects the RGB INPUT connector and AU-
DIO jack only.
2 RGB Input Connector (Mini D- Sub 15 pin)
Connectan analogRGB output of your PC or component outputof your
DVD player.
3 RGB AUDIO Input Mini Jack
Connectan audio outputof the RGBequipment connected tothe above
RGB INPUT connector.
NOTE: When inputting stereo signal(R/L), connect the L/MONO mini jack of the
RGB equipment or use a commercially available RCA conversion cable.
4 S-VIDEO Input Connector (Mini DIN 4 pin)*
Connect an S-Video output of a video equipment such as VCR.
5 VIDEO Input Connector (RCA)*
Connect a video output of a video equipment such as VCR.
6 AUDIO Input Jacks (RCA)
Connectan audio outputof the video equipmentconnected to S-VIDEO
or VIDEO INPUT .
For monaural audio, connect it to L/MONO.
* NOTE: The front terminals take preference over the rear terminals when both
terminals are connected to a VCR.
Unplugging cables from both the VIDEO and the S-VIDEO connectors on the
front panel enables the VIDEO and S-VIDEO connectors on the rear.
TheS-VIDEOorVIDEO connector onthefrontpanel takes effectbyinsertingthe
cable either the S-VIDEO or the VIDEO connector.

E – 11
Rear terminal panel
VH/HVB/Cb/Pb
G/Y
R/Cr/Pr L/MONO
R
AC IN
PC CONTROL
REMOTE
CONTROL
AUDIO
VIDEO
S-VIDEO
AUDIO
RGB INPUT MOUSE
OUTPUT
MAIN POWER
ON OFF
L/MONO
R
7
16 8 9 12 13 14 1510 11
7 MAIN POWER ON/OFF Switch
Turns the main power on or off to the rear projection display.
Press the "|" side of the switch to turn on the main power and "O" to turn
off the main power.
8 RGB INPUT (R/Cr/Pr, G/Y, B/Cb/Pb, H/HV, V ) Connectors (BNC)
Connect R,G,B,H (Horizontal sync) andV (Vertical sync) outputs of the
external equipment. If using the equipment with a composite sync
(SYNC) output, connect it to the H/V terminal.Also connect component
video outputs (Y/Cb/Cr) of the equipment such as a DVD player.
9 AUDIO Input Jacks (RCA)
Connect an audio output of the equipment connected to 8 [RGB IN-
PUT] connector. For monaural audio, connect it to L/MONO.
10 S-VIDEO Input Connector (Mini DIN 4 pin)
Connect an S-Video output of a video equipment such as VCR.
11 VIDEO Input Connector (RCA)
Connect a video output of a video equipment such as VCR.
12 AUDIO Input Jacks (RCA)
Connectan audio outputof the video equipmentconnected to S-VIDEO
or VIDEO INPUT .
For monaural audio, connect it to L/MONO.
13 REMOTE CONTROL Input Mini Jack
Connect your remote control cable here for wired operation.
Be sure to pull out the remote control cable from here for wireless op-
eration.
Inserting the remote control cable here disables the wireless remote
control operation.
14 PC CONTROL Port (Mini D- Sub 9 pin)
Use this port to connect your PC to control your rear projection display.
This enables you to use your PC and serial communication protocol to
control the rear projection display.If you are writing your own program,
typical PC control codes are on page E-44.
15 MOUSE OUTPUT Port (Mini DIN 8 pin)
Use this port to operate your computer's mouse functions from the re-
mote control.
16 AC Input
Connect the supplied power cable's three –pin glug here.
Plug the other end into an active wall outlet.

E – 12
PJ
HELP
POI
NT
OFF
VIDEO S-VIDEO RGB
AUTO ADJ.
ON
POWER
SELECT
12
Remote Control Features
AUTO ADJ.
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PJ
OFF
VIDEO S-VIDEO RGB
ON
SELECT
POWER
ASPECT
VOLUME
HELP
POINTER
MAGNIFY
MUTE
3
5
6
7
4
9
8
10
11
NOTE: Ifyou are using a Macintoshcomputer,youcanclickeithertheright-click
or left-click button to activate the mouse.
1. Remote Jack
Connect your remote control cable here for wired operation.
2. Infrared Transmitter
Direct the remote control toward the remote sensor on the cabinet.
3. LED
Flashes when any button is pressed.
4. POWER ON Button
When the main power is applied, you can use this button to turn your
rear projection display on.
5. POWER OFF Button
When the main power is applied, you can use this button to turn your
rear projection display off.
NOTE: To turn off the rear projection display, press and hold the POWER OFF
button for a minimum of two seconds.
6. VIDEO Button
Press this button to select an NTSC, PAL, SECAM or NTSC4.43 com-
patible video source from aVCR, DVD player, laser disc player or docu-
ment camera.
7. S-VIDEO Button
Press this button to select an S-Video source.
8. RGB Button
Press this button to select a video source from a computer or compo-
nent equipment connected to your RGB INPUT.
9. AUTO ADJ. Button
Press this button to automatically adjust the vertical/horizontal position,
clock frequency and phase if the projected picture is not centered,if
there are vertical stripes on the picture or if the picture is flickering. See
pages E-26 and E-33.
10. MENU Button
Displays the menu for various settings and adjustments.
11. SELECT ▲▼  (Mouse) Button
When you are in the Computer mode, these buttons work as a com-
puter mouse.
When you are in the rear projection display mode, (indicated by the
lighted PJ button):
▲▼:Use these buttons to select the menu of the item you wish to
adjust.
 :Use these buttons to change the level of a selected menu item.
A press of the button executes the selection.
When the pointer is displayed, these buttons move the pointer.

E – 13
12. ENTER (Left Click) Button
When you are in the Computer mode, this button works as the mouse
left button.
When this button is pressed and held for a minimum of 1. 5 seconds,
the drag mode is set.
When you are in the rear projection display mode, (indicated by the
lighted PJ button):
Use this button to enter your menu selection.It works the same way as
the "Enter" button on the cabinet.
13. CANCEL (Right Click) Button
When you are in the Computer mode, this button works as the mouse
right button.
When you are in the rear projection display mode, (indicated by the
lighted PJ button):
Press this button to exit "Menus".It works the same way as the Cancel
button on the cabinet.
14. PJ Button
Press this button to switch the Select, Cancel, and Enter buttons be-
tweenthe rear projection displaymode (litred)and the Computermode.
Pressthisbuttonoranyone of the PowerON/OFF, Menu, Help, Pointer
or Magnify buttons to switch to the Rear projection display mode and
the PJ button lights red.To switch back to the Computer mode, press
the PJ button again.
M
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OFF
VIDEO S-VIDEO RGB
AUTO ADJ.
ON
VOLUME
SELECT
POWER
PJ
HELP ASPECT
POINTER
MAGNIFY
MUTE
12
14
16
17 19
20
18
15
13
15. POINTER Button
Pressthis buttonto display one of theeight pointers;pressagain to hide
the pointer.You can move your pointer icon to the area you want on the
screen using the Select button.
16. HELP Button
Provides information about operation and adjustment procedures or
the set information for the current menu or adjustment during menu
operation.
17. ASPECT Button
Press this button to display the Aspect Ratio select window.
Each time this button is pressed, the current aspect ratio will change
as follows:
Normal →Zoom →Wide Zoom →Cinema →Normal →. . .
You can also select the aspect ratio by using the Select or button. If no
adjustments are performed within 3 seconds, the Aspect Ratio select
window will disappear. (See also page E-32.)
18. MUTE Button
This button turns off the sound for a short period of time. Press again to
restore the sound.
19. MAGNIFY +/- Button
Use this button to adjust the image size up to 400%. See also page E-
27. )
When the Pointer is displayed, the magnified image is displayed at the
center of the Pointer. When the Pointer is not displayed, the magnified
image is displayed at the center of the screen.
When the image is magnified, the pointer is changed to the magnifying
icon.
20. VOLUME +/- Button
Press (+) to increase the volume and (–) to decrease it.
NOTE: The default is the Computer mode, which allows you to use the SELECT,
CANCEL, andENTER buttons as your computermouse. When the POWER ON/
OFF, MENU, POINTER, HELP, ASPECT or MAGNIFY button is pressed, the PJ
button lights red to indicate that you are in the Rear projection display mode. If
no buttons are pressed within 10 seconds, the light goes out and the Rear
projection display mode is canceled.

E – 14
Remote Control Battery Installation
1. Press firmly and slide the battery cover off.
2. Remove both old batteries and install new ones (AA). Ensure that
you have the batteries' polarity (+/–) aligned correctly.
Do not mix different types of batteries or
new and old batteries.
Operating Range
POWER
STATUS
ON
/
STANDBY
M
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C
A
N
C
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SELECT
AUTOADJUST
RGB
VIDEO
S-VIDEO
RGBINPUT
FRONT
/
REARAUDIO
AUDIO
L/MONOR
S-VIDEOVIDEO
POWER
STATUS
ON
/
STANDBY
M
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C
A
N
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SELECT
AUTOADJUST
RGB
VIDEO
S-VIDEO
RGBINPUT
FRONT
/
REARAUDIO
AUDIO
L/MONOR
S-VIDEOVIDEO
30˚
30˚
30˚
30˚
22 feet / 7m
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.
Note on Remote Control Operation:
Pressing and holding the SELECT ▲▼  (Mouse) button while in-
stalling new batteries may cause malfunction or no operation.
Should this happen, remove the batteries and then install them again
without touching the SELECT ▲▼  (Mouse) button.
Do not change the settings of the function (DIP) switches.
There are two switches on the bottom of the battery case.
For normal operation, these function switches are not used.
Be sure to leave the No.1 switch at its original factory setting (ON).
Do not change the setting of the No.1 switch.Failure to do so will cause
incorrect movement in SELECT , , ▲, ▼(mouse) buttons.
Function (DIP) Switches
3. Slip the cover back over the batteries until it snaps into place.