Manuale d’uso / di manutenzione del prodotto PB8250 del fabbricante BenQ
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We l c o m e PB8140 / PB8240 / PB8250 Digital Pr ojector Installation Series Us e r ’s Ma n u a l.
Copy ri gh t Copyright 2005 by BenQ Corporation. All rights rese rved. N o part of this publication may be repro- duced, transmitted, transcr ibed, stor ed in a retrieval syst em or translated into a .
Table of Contents iii T able of Cont ents Important Safety Instructions ............................... 1 Introduction ........................................................... 5 Projector Features ...................................................
Table of Contents iv Laser Pointer Operation .................................................... ......... 22 Mouse Function Operation ........................................................ 23 Zoom In + / Zoom Out - ................................
Table of Contents v Supported timing for PC (inc luding DVI-I) input .................................... 47 Supported timing for YPbPr input .............................................................. 47 Supported timing for Video and S-Video inputs .
Table of Contents vi.
Important Safety In stru ctio ns 1 Important Safet y Instructions Y our Ben Q projector is des igned a nd tested to meet th e latest standards for s afety of infor- mation technology equipment. Ho wever , to ensure safe use of this product, it is important that you follo w the instructions mentioned in this manual an d mar ked on the produc t.
Important S afety Instructio ns 2 Safety I nstructio ns 1. The lamp be comes e xtremely hot during operation. A llow the pr ojec- tor to coo l for app roxim atel y 45 minut es prior to r emoving the lamp assembly for replacement. 2. Do not oper ate lamps beyond the rated lamp life.
Important Safety In stru ctio ns 3 Safety Instructions (Continued) 7. Do not place this pr ojector in any of the following en v ironments. - Space that is poorly v entilated or confined. Allo w at least 50 cm clearance from walls and free flo w of air around the projector .
Important S afety Instructio ns 4 Safety Instructio ns (Continued) 11. Do not step on the proj ector or plac e any objects upon it. Besides probable physical damage to the projector , doing so may result in ac cidents and possible inju r y .
Introducti on 5 I ntr oduction Pr ojec tor F eatures The projector integ rates high -performa nce optical engine projecti on and a user-friendly des ign t o del iv er high r eliabi lity and e ase o f us e.
Introduction 6 Shipping Contents The project or is shipped with the cables re quir ed fo r connecti on to a PC and t o video equip- ment. Carefully unpack and v e rify that you ha ve all of the items shown below . If any of these items are missing, please contact y our place of purchase.
Introducti on 7 Optional A ccessories Proje c tor Ex ter i or V ie w Front / Upp er View Back V iew Bottom V iew 1. Macintosh adapt er 2. 250W / 300W lamp module 3. Ceiling mount kit 4. Wireless Pr o 5. Pr esentation Pro 6. DVI-I cable External control panel (See page 9 for detailed information.
Introduction 8 Connector P anel RGB s i g na l in p ut (PC/ YPbPr/ Y CbCr) USB connector RGB sig nal output S-V ideo jack A udio/ Vi deo connector PC A udio jack DVI- I con nector RS 232 co ntrol port For ex ternal contr ol system s and used by service personnel.
Introducti on 9 Controls and F unctions External Control P anel 1 2 3 9 8 4 11 10 5 7 6 12 13 1. P ower (R efer to page 18 for more infor- mation.) T urns the projector on or off. 2. Source (R efer to page 21 for more information.) Sequentially selects the input signal RGB, DV I, YP b P r, S-V ideo or Vi de o .
Introduction 10 Re mote Contr ol Descr iption Front View Notes on Remote Control Ope ration Make sure that there are no obstacles between the remote control and t he IR sensors on the projector that might obstruct the infra-red beam.
Introducti on 11 Rem o te C on t ro l E ff e c t ive R a n ge Infra Red (IR) remote co ntrol sensors are located on the front and the back of the projector . The remot e contro l must be held at an angle within 30 degrees of the pr ojec tor’ s IR remote control sensors to function correctly .
Introduction 12 Installing or Replacing the Batteries Avoi d excessive heat and humidity . There may be danger of an explosion if the batteries are incorrectly replac ed. Replace only with the same or equivalent type rec ommended by the manufacturer .
Setting Up Your Projector 13 Setting U p Y our P r ojector Choo sing a Loc ation Y our projector is designed to be installed in the four installatio n configurations shown here: Floor front, Ceiling fr ont, Floor rear , Ceiling re ar . Y our room layout or person al preference will dictate which installation c onfigur ation y ou use.
Setting Up Your Projector 14 Connecting to a Laptop or Desk top Co mputer A Mac adapter (an optional accessory) may be necessary if you are connecting to an older Macintosh computers. The USB cable is required i f you intend using mouse functions on the remote control .
Setting Up Your Projector 15 Connecting to V ideo or S-Vid eo Dev ices If the selected video im age is not displayed af ter the projector is turned on and the correct video source has been selected, check that the video source is turned on and operating cor- rectly .
Setting Up Your Projector 16 A d justing the H eig ht The pr ojector is equipped with 2 quic k-release adjuster feet. 1. Lift the projector up and press the adjuster butt on to r elease the adjuster . The adju ster wil l drop into position and be locke d.
Setting Up Your Projector 17 The recommended focus range is from 1. 5 ~ 8 meters (6 ~ 32 feet). There is 3% ~ 5% toleran ce among these numbers due to opt ical component variations.
Operat ion 18 Operation Start U p 1. Switc h all of the conn ected equipmen t on. 2. Plug the po wer cor d into the projecto r and into a wall soc ket. 3. T urn on the wall sock et sw itch (wher e fitted). 4. T urn the main power switch o n. The Pow e r i n d i c a t o r lights orange.
Operation 19 contin uously: “ Analog RGB Searc hing ”, “ DV I-A S earc hin g ”, “ DVI-D Se arch in g ”, “ Analog YPbPr S earching ”, “ S-Video Se arching ”, “ Composite Video Sear ching ”. 8. Y ou can also press Sour ce on the pr ojector o r remote control to select y our desir ed input signal.
Operat ion 20 Digital K eystone C or r ection K e yston ing refers to the situation wher e the project ed image is notic eably wider at either the top or bottom.
Operation 21 Sourc e Selection T o sequentially select input sources, press Sourc e on the pr ojector c ontrol panel or the rem ote co nt rol . It m ay ta ke you a fe w se c- onds when the projector is sear ching for input signals. The selected sour ce will be displayed at the bottom r ight of the screen for 3 seconds.
Operat ion 22 Blank In order to draw the audience’ s ful l atten- tion to the presen ter , you can use Blank to hide the s creen imag e. Pr ess Blank again to restore the ima ge. A word “ BLANK ” app ear at the bottom right corner of the screen when the image is hidd en.
Operation 23 Mo u s e F u n c t i o n O p e r a t i o n Connect the p roject or to y our PC or notebook with a USB cable prior to using these functions. The Mou se Pad can ta ke ov er the PC or notebook mouse func tion. When the displayed image is mag- nified, use the Mo u se Pad to mov e around the dis- play ar eas.
Operat ion 24 Fr eeze The imag e is frozen when Free ze is pressed. An icon will appear in the lower right corner of the screen. T o release the function, press Fr eeze again, Ret ur n or Source (this will change the inpu t source and release the pa use function).
Operation 25 M enu Ope ration Me n u Sy s t e m Please note t hat the OSD men us vary accor ding to the signal type selected. Functions available when r eceiving different signal t ype s.
Operat ion 26 Us i n g t h e m e n u s The pr ojector is equipped with on- screen di splay (OSD) menus f or making various adjust- ments and settings. There ar e 10 different m enu languag es. (Refer t o page 33 for more details.) The followi ng example descr ibes the adjust ment of the keystone.
Operation 27 1. Display M enu Analog R GB/ DVI-A/ YPbPr (480p , 576p, 720p , 1080i) signal input DVI -D sig n al inp ut FUNCTION DESCRIPTION Keystone Corrects an y keystoning o f the image. Refer t o page 20 for more infor- mation. Brightness Adjusts the brig htness of the image.
Operat ion 28 Y CbCr (480i, 576i)/ S-V ideo/ Video signal input FUNCTION DESCRIPTION Keystone As ab ove. Brightness As a bove . Contrast As a bove . Color Incr eases or decr eases the c olor intensity of the imag e. Ti nt Adjusts the color tones of t he image.
Operation 29 2. Image M enu Analo g RGB/ DVI- A sig nal i nput *About c olor temperatures: There are many different shades that are considered to be “w hite” for various pur poses. One of the common methods of representing w hite color is known as the “c olor temperature” .
Operat ion 30 YPbPr (480p , 576p, 720p, 1080i) signal input Y CbCr (480i, 576i)/ S-V ideo/ Video signal input FUNCTION DESCRIPTION Ratio U sers ha ve 2 options for the image ratio . 1. 4 : 3 2. 16 : 9 H Position As above. V Position As a bove. Color Incr eases or decr eases the color i ntensity of the image.
Operation 31 3. Source M enu FUNCTION DESCRIPTION Mirror The projector can be instal led on a ceiling or b ehind a screen, or w ith on e or mor e mirror s. Contact y our dealer for t he ceilin g mount brack et (optional ac cessor y) if y ou need t o install the pr ojector on your ceiling.
Operat ion 32 Bass Adjusts the bass level. (-5 ~ 5) Mute Off On.
Operation 33 4. Control Menu FUNCTION DESCRIPTION Language Language s ets the lang uage for th e OSD c ontrol menus. Us e t h e 3 / 4 key to select the desired language from among English, French, German, Italian, Spanish, Russi an, T r aditional Chinese, Simplified Chinese, J apanese and K orean.
Operat ion 34 Preset Mode Pr eset modes ar e pr ovided so y ou can optimiz e yo ur project or image set- up to suit y our p rogram type. PC/ DVI Signal input 1. Pr esentation M ode : Is designed for presenta tions. The br ight ness is emphasized in this m ode.
Operation 35 5. PIP (Pict ure I n Pictur e) Men u Y our projector is capable of displaying images simultaneously from two input sources, which enhances your presentation in a more effective way . These func tions are available only when the input source is PC and the PI P source is V ideo or S-Video .
Maintenance 36 M aintenanc e Y our projecto r needs little maint enance. Things y o u hav e to do on a regular basis ar e keep the lens clean and clean the air filter to prevent o verheating . Never r em ove an y par ts of the projector except the lamp and air filter .
Maintenance 37 4. U se a small vacuum c leaner designed for c omputers and other office e quipment to clean the filters. Or use a soft brush (such as a clean ar tist’ s paintbrush) to gently sweep the dust awa y . If the dirt is difficult t o remo ve or the filt ers are brok en, co ntact your plac e of pur chase to r eplace them.
Maintenance 38 Lamp Informatio n U se and Replac ement of the Lamp When the Lamp Indicator lights up red or a message appears suggesting it is time to replace the lamp , please install a new lamp o r consult y our dealer . An old lamp ma y cause a mal- function in the projector and in some instances the lamp may explode.
Maintenance 39 T o reduce the risk of injuries to fingers and/or compromising image quality by touching the lens, do not touch the empty lamp com pa rtment when the lamp is removed. This lamp contains mercury . Consu lt y our lo cal hazardous waste regulations and dispose of this lamp in the prop er man ner .
Maintenance 40 Step 7. Reset the l amp counter i. Press and hold Exit on th e projector for 3 seconds to displa y the total used lamp time. ii. Press Menu on the projector or on the remote control to access the lam p hour time r . An adjus tment messag e will appear .
Maintenance 41 LED St atus & Descr iption Power Te m p Lamp Power events The projector has just been connected to a power outlet. -- Stand-by mode. -- (1) The projector needs 90 seconds to cool do w n as it was abnormally shut do wn w ithout the normal cool ing down process.
Maintenance 42 The projector h as shutdown automatical ly . If you tr y to re- start the project or , it will shutdown again. Please contact your dealer for assistance. The projector h as shutdown automatical ly . If you tr y to re- start the project or , it will shutdown again.
Maintenance 43 Ser v ice I nformation A cc essories (included in the standard package) Optional Ac cessories (not included in the standard package) Or de rin g P arts or G etti ng I nfo rma tio n For .
Troubleshooting 44 T r oubleshooting Common P roblems & Solutions THE PROJECT OR DOES NOT TURN ON. NO PICTURE BL URRED IMAGE REMOTE CONTR OL D OES NOT W ORK Cause Remedy There is no power from the power cable. Plug the power cord into the AC inle t on the projector , and plug the power cord into the power outlet.
Specifications 45 Specificat ions Pr ojector Specifications T echnical Specifications All specifications are subject to change without notice. General Pr oduct name Digital Projecto r Model name PB8240 1024 x 768 X GA PB8140 800 x 600 SV GA PB8250 1024 x 768 X GA Optical Displa y system 1-CHIP DMD Lens F/N umb er F/2.
Specifications 46 Control RS-232C 9-pin x1 Environment al Requirements Oper ating temper ature 0 °C ~ 40°C at sea l evel Opeating relati ve humidity 10% ~ 90% (without condensation) Opeating altitud.
Specifications 47 Tim i n g C h ar t Supported timing for PC (including D VI-I) input Supported timing for YP b P r input Supported timing for V ideo and S-Video inputs Resolution Horizont al Frequency (kHz) Ve r t i c a l Frequency (Hz) Pixel Frequency (MHz) Mode 720 x 400 37.
Dimensions 48 Dimensions Un i t: m m.
Warranty 49 Wa r r a n t y Limited W ar rant y BenQ warrants this pr oduct against any defects in material and wo rkmanship, un der normal usage and storage.
Regulation Stat ement s 50 R egulation Statements FCC Stateme nt CLASS B : This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in acc ordance with the instructions, may cause harmful int er- ferenc e to radio communications.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il BenQ PB8250 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del BenQ PB8250 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso BenQ PB8250 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul BenQ PB8250 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il BenQ PB8250, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del BenQ PB8250.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il BenQ PB8250. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo BenQ PB8250 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
