Manuale d’uso / di manutenzione del prodotto PB8253 del fabbricante BenQ
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We l c o m e PB8253/PB8263 Digital Pr ojector Installation Series Us e r ' s Ma n u a l.
Copy ri g ht Copyright 2006 by BenQ Corporation. All rights re served. N o part of this publication may be repr oduced, transmitted, tr anscribed, stored in a retrieval system or translated into any l.
Table of contents 3 T able of co ntents Important safety instructions .................................... 5 Introduction ............................................................... 9 Projector features ............................................
Table of contents 4 Temperature information .................................................. 52 Indicators ............................................................................. 53 Troubleshooting .............................................
Important safety inst ructions 5 Important safet y instructions Y our Ben Q projector is desig ned and tested to meet the latest sta ndards for safety of information tec hnology equipment . Howev er , to ensur e safe use of thi s product, it is important that you follow the i nstr uctions me ntioned in this manual and mark ed on the product.
Important safety inst ructions 6 Safety Instructio ns (Continued) 7. The lamp becomes extremely hot during op eration. Allow the proj ec tor to co ol for ap proxim atel y 45 minut es prior to remo ving the lamp assembly for replacement. 8. Do not operate lamps beyond the rated lamp li fe.
Important safety inst ructions 7 Safety Instructio ns (Continued) 12. Do not place this projector in any of the following environments. - Space that is poorly ventilated or confined. Allow at least 50 cm clearance from walls and free flo w of air around the pr ojector .
Important safety inst ructions 8 Safety Instructio ns (Continued) 15. Do not store the projecto r on end vertically . Doin g so may cause the projector to fall over , causing injur y or resu lti ng i n da mag e. 16. Do not step on the projector or place any objects upon it.
Introducti on 9 Int rod uc ti on Pr ojector featur es The projector integ rates high-p erformance optical eng ine projection and a user-friend ly des ign to d eli ver h igh re liabi lity an d ease of use.
Introduction 10 Shipping cont ents The project or is shipped with the cables r equired for connection to a PC and to video eq ui pme nt . Ca ref ul ly unp ac k a nd ve r ify th at you have al l of th e i tem s s how n b el ow. If a ny of these items are missing, please contact your place of pur chase.
Introducti on 11 Proj ec tor ex ter io r v ie w Fron t/ u pp er si de R ear/side v iew Ref er to "Connec tion" on page 22 for more information on making connectio ns to various equipment. Lower v iew 1. External contr ol panel See "P rojector" on page 13 for details.
Introduction 12 Connector panel 21. RGB (PC)/Component video (YP bP r/ Y Cb Cr ) si gna l in put socket 22. RGB signal output socket 23. Audio (L eft/ Right)/Video input sockets 24. S-Video input sock et 25. DVI-I signal in put socket supports DVI-D video signal and DVI- A PC sig na l 26.
Introducti on 13 Controls and fun ctions Pro je c to r 1. Focus ring Adjusts the focus of th e projected image . See "Fine-tuning the image siz e and clarity" on page 32 for details. 2. Zoom ring Adj usts the siz e of the image. See "Fine-tuning the image size and clarity" on page 32 for details .
Introduction 14 R emote c ontrol 1. P ower T oggles the projecto r between standby mode and on. When the projector is in standby mode, press once to turn the projector on.
Introducti on 15 W ar ning messages on the back of the remot e control The laser beam is v isible. It is necessary to press and hold the LASER button for co ntinuous output. The laser pointer is not a toy . P arents should be mindful of the dangers of laser energy and k eep this re mote contr ol out of the re ach of childr en.
Introduction 16 R emote c ontrol effectiv e range Infra-Red (IR) remote control sensors are locate d on the front and the back of the projector with an incline of 45 degrees.
Positioning your projector 17 P ositioning y our projector Choosin g a locat ion Y our projec tor is designe d to be install ed in one of four possible instal lation locations: 1. Floor in front of screen; 2. Ceiling in front of scr een; 3. Floor at re ar of screen; 4.
Positioning your project or 18 Safety instructions for ceiling mounting of the projector W e want y ou to hav e a pleasant experience usi ng your BenQ pr ojector , so we need to bring this safety matter to y our attention to pr event damage to person and property .
Positioning your projector 19 Ob taining a preferred pr ojected image size The distance from the project or lens to the sc reen, the zoom sett ing, and the v ideo format each factors in the projected ima ge size. The maximum (nativ e) resolution of the projector is 1024 x 768 pixels, which is a 4 to 3 aspect ratio (expr essed as 4:3).
Positioning your project or 20 Ho w to deter min e the pos iti on of the projector for a giv en screen size 1. Select your scr een size. 2. Re fer to the tabl e and find the clos est match t o your scr een size in the left column s la b el l ed ' 4: 3 Sc re en D ia go n al '.
Positioning your projector 21 There is 3% tolerance among these numbers due to optical component variations. BenQ recommends that if you intend to permanently install the projector , you should physic.
Connection 22 Connection When connecting a signa l source to the projector , be sure to: 1. T urn all equipment off be fore making any c onnections. 2.
Connection 23 The final connection path should be like that shown in the following diagr am: • A Mac adapter (an optional accessory) is needed if you are connecting legacy version Macintosh computers. • Many notebooks do not turn on their external video ports when connected to a projector .
Connection 24 Connecting a monitor If y ou want to view yo ur presentation cl ose-up on a monit or as well as on the screen, you can conn ect the RGB sig na l out put s ocke t on t he pro jec tor to a.
Connection 25 Connecting V ideo source dev ices Y ou can c onnect y our proj ector to various V ide o source devices that pr ovide any one of the following output so ck ets: •D V I • Component V i.
Connection 26 Connecting a D VI source device The project or pro vides a DVI-I input sock et that allows you to connec t it to a DVI sou rce device like DVD play er , or a V GA output de vice like notebook or desktop computer . Th ere a re th ree t y pe s of DV I con nec tor : DV I-A , DVI -D, and DVI- I.
Connection 27 Connec ting a Compone nt V ide o source dev i ce Examine your Video sourc e dev ice t o determin e if it has a set of unused Component Video output sockets available: • If so , you can c ontinue with this proc edure. • If not, you will need to reassess which method you can use to connect to the de vice.
Connection 28 Connecting an S-V ideo sourc e dev ice Examine y our Video source device t o determine if it has an unused S-V ideo output sock et avai labl e: • If so, you can continue with this procedure. • If not, you will need to reassess which method you can use to c onnec t to the device.
Connection 29 Conn ec tin g a co mpo site V ide o so urce de v ice Examine your Video sourc e device to determine if it has a set of un used composite V ideo output sockets available: • If so , you can c ontinue with this proc edure. • If not, you will need to reassess which method you can use to connect to the de vice.
Operat ion 30 Operation Start up 1. Plug the po wer cord i nto the project or and into a wall socket. T u rn on the wall socket switch (where fitted). 2. Remo ve the le ns cap. I f it is left on, it c ould become deformed d ue to the heat produced b y the projection lamp .
Operation 31 S w itching input signal The project or can be connect ed to multiple devices at the same time. H owev er , it can only display one full screen at a time. T o cy cle through the avail able input sources, press SOURCE on the p rojector or remote control.
Operat ion 32 A uto-adjusting the image In some cases, you may need to optimize the picture quality . T o do this, press AU T O on the projector or remote control. W i thin 3 seconds, t he built-in Intellig ent A uto A djustment function will re-adj ust the values of Frequency , and Clock to provide the best pi cture quality .
Operation 33 Selecting the aspect ratio The "aspect ratio" is the ratio of the image width to the image height. Most analog TV and comput ers are in 4:3 ratio , which is the default fo r this projector , and digital TV is usually in 16:9 ratio.
Operat ion 34 Optimizing the image T o optimize the image, use the buttons on th e pr ojector or r emote contr ol to adjust the image settings directly , or to change the se ttings on the On-Screen Display (OSD) menus. For the operation of OSD menus, refer to "U sing the menus" on page 42 .
Operation 35 Selecting a preset mode The pr ojector is pr eset with several pr edefined appl ication modes so that you can choose one to suit your operating environment and input source picture ty pe. T o select a op eration mode that suits your need, press MODE on the remot e control .
Operat ion 36 Other adjustments If y ou are not satisfi ed w ith the pictu re quality made by the preset mode s, you can manuall y adjust some of the settings through the On-Screen Display (OSD) menus. Adj us t in g b r ig h t ne ss Press MENU on the projector or remote c ontrol.
Operation 37 Oper ating in a high altitude en v ironment W e r ecommend you use the High Altitude Mo de when your en v ironment is higher than 3000 feet abov e sea level, or is hotter than 40 °C , or whenever the projector will be use d for extended period s of time (>10 hours) without shutdown.
Operat ion 38 Hid in g th e i ma ge In order to draw the audience's full attention to the presenter or other media , you can use BLANK to hi de the projected imag e when needed . The word ' BLANK ' appears at the bottom r ight corner of the screen w hile the image is hidden.
Operation 39 PIP (Picture In Picture) operation Y our projector is capa ble of displaying images simultaneously from two input sourc es, which can be use d to enhance your presentation in an interesting way . These func tions are available only when the in put source is PC and the PIP source is Video or S-Video .
Operat ion 40 Shutting do w n the pr ojector 1. Press Po we r and a co nfirmation message will display pro mpting you as pictured to the right. If y ou don't respond in a few sec onds, the message will disapp ear . 2. Press Po we r a se cond time to turn the project or off.
Operation 41 On-Screen Displa y (OSD) menu op eration OSD menu syst em *Whe n a Video or S-Video sign al is c onnected, the function is only available with NTSC syst em selected.
Operat ion 42 U sing the menus The pr ojector is equ ipped with On-Screen Displa y (OSD) men us for making various adjustments and settings. Please note th at the on-screen di splay (OSD) me nus vary accordi ng to the signal type selected. There ar e 10 differ ent menu languag es of your c hoice.
Operation 43 Disp la y menu Some picture adjustment s are available only when certain input sources are in use. Unavailable adjustment s are not shown on the screen. FUNCTION (default setting / value) DESCRIPTION Keystone (0) Corrects any k eystoni ng of the image .
Operat ion 44 Ima ge m enu Some picture adjustments are available only when certain input sources are in use. Unavailable adjustment s are not shown on the screen. FUNCTION (default setting / value) DESCRIPTION Auto Resize (On) A utomatically resiz es the input signal pix el resolution to the native resolutio n of the pr ojector .
Operation 45 Sourc e menu FUNCTION (default setting / value) DESCRIPTION Mirror (Floor front) The projector can be install ed on a ceiling or behi nd a screen, or wit h one or mor e mirrors. C ontact your dealer for the ceiling mount b racket (optional ac cessory) if you need to install the projector on y our cei ling.
Operat ion 46 Control menu FUNCTION (default setting / value) DESCRIPTION (default setting / valu e) Language (English) Language sets the language for the OSD control menus.
Operation 47 PIP menu This menu allows you to turn on the PIP screen and make various adjust ments to the screen. High Altitude (Off) A mode f or operation in are as like high alti tude or high temperatur e. See "Operating in a high altitude en vironment" on page 37 for details.
Maintenance 48 M aintenanc e Care of the pr ojector Y our project or needs little main tenance. Th e only thing y ou need to do o n a regular basis is to keep the lens clean and to clean the dust filters to prevent overheati ng. See "Cleaning the lens" and "Cleanin g and replacing the dust filters" below for de tails.
Maintenance 49 A warning messa ge like the one pictured t o the right w ill be displayed for 10 seconds every 300 hours of use to remind you to clean the filters. IMPORT ANT : Please ensure that the projector is properly shutdown before removing the filters for cleaning or replacement.
Maintenance 50 down after 10 minutes i f there has been no further a ction taken. Re-install the filters securely , then turn on the power again. Lamp information U se and replacement of the lamp When.
Maintenance 51 R eplacing the lamp • T o reduce the risk of electrical shock, alw ays turn the projector off and disconnect the power cord before changing the lamp. • T o reduce the risk of severe burns, allow the projector to cool for at least 45 minutes before replacing the lamp.
Maintenance 52 • Do not insert your hands i nto the projector aft er the lamp i s removed. If you touch the optical component s inside, it could cause color unevenness and distortion of the projected images. 6. Insert the ne w lamp. Ensur e the h andle is fu lly laid flat and loc ked in place.
Maintenance 53 Ind ica tors Illus tration • Blank - : L ight OFF • O : Orange lig ht •: L i g h t f l a s h i n g • R : Red light •: L i g h t O N • G : Green light LED St atus & Descriptio n Power Te m p Lamp Power events The proj ector has just bee n connected t o a powe r outlet.
Maintenance 54 LED St atus & Description Power Te m p Lamp Thermal events -- The proj ecto r ha s shu tdow n au toma tic all y . If you tr y to re- start the projector, it will shutdown again .
Troubleshooting 55 T r oubleshooting The projector does not turn on. No pi c tu r e Blurred im age Remot e control does not w ork Cause Remedy There is no power from the power cable. Plug the power cord into the AC inlet on the projector , and plug the power cord into the power outlet.
Troubleshooting 56 The computer pr ojected im age is too big for the screen or appear ed to be cut- off M y W indow M edia Play er program works great on m y computer , but the movie window is dark on my pr ojector , while the Media Play er tools display OK.
Specifications 57 Specificat ions Pr ojector specifications All specifications are subject to change without notice. Optical Resolutio n 1024 x 768 X GA Displa y system 1-CHIP DMD Lens F/N umber F=2.4 to 2.6, f=24.0-29.1 mm Lamp 300W lamp Electrical P ower supply A C100–240V , 4.
Specifications 58 Dimensions 320 mm (W ) x 106 mm (H) x 236 mm (D) Un it : m m T iming char t Supported timing for PC (including DVI-I) input * denotes the timing is not recommended for u se with the Analog RGB or DVI-A input sig nal selected. ** denotes the timing is not recommended fo r use with the DVI-D input signal selected.
Specifications 59 Supported timing for Component-YP b P r input Supported timing for V ideo and S-V ideo inputs Signal Format Horizont al Frequency (kHz) V ertica l Frequency (Hz) 480i(525i)@60Hz 15.73 59.94 480p(525p)@60Hz 31.47 59.94 576i(625i)@50Hz 15.
Warranty 60 W arra nty Limited W arrant y BenQ warra nts this product against any defects in material and workmansh ip , under nor mal usage and storage.
Regulation Stat ements 61 R egulation Statements FCC statement CLASS B : This equipment generates, uses a nd can radiate ra dio frequency energ y and, if not installed and used in acc ordance with the i n structions, may cau se harmful in terfer ence to radio communica tions.
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 PB8253 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 PB8253 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso BenQ PB8253 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul BenQ PB8253 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il BenQ PB8253, 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 PB8253.
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 PB8253. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo BenQ PB8253 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.
