Manuel d'utilisation / d'entretien du produit MX768 du fabricant BenQ
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Digital Projector Us er Ma n u a l MX768/MW769.
Table of conten ts 2 Important safety instructions ................... 3 Introduction .................. 7 Projector featu res .......... ........... .......... ...... 7 Shipping content s ........... ............. .......... .... 8 Projector exte rior view .
Important sa fety instructions 3 Impor tant safety instructions Y our projector is designed and tested to meet the latest st andards for safety of information technology equipment. Howev er , to ensure saf e use of this product, it is important that you follow the instructions mentioned in th is manual and mark ed on the pr oduct.
Important safety instruction s 4 Safety Instructions (Contin ued) 7. The lamp becomes extr emely hot during operation. Allow the projector to cool for appr oximatel y 45 minutes prior to r emoving the lamp assembly f or replacement. 8. Do not operate lamps beyond the rated lamp life.
Important sa fety instructions 5 Safety Instructions (Continu ed) 13. Do not place this projector in an y of the following envir onments. - Space that is poorly v entilated or confined. Allow at least 50 cm clearance from walls and free flow of air ar ound the projector .
Important safety instruction s 6 Safety In struct ions (Con tinued) 16. Do not stand the projector on end vertically . Doing so ma y cause the projector to fall ov er , causing injur y or resulting in damage to the projector . 17. Do not step on the projector or place any objects upon it.
Introduction 7 Intr oduction Pr ojector f eatur es This model is one of the best pr ojectors a vailable in the w orld. Y ou can enjoy the best video quality across various devices such as PC, laptop, D V D and VCR even document camera to bring all possibility to life.
Introduction 8 Shipping contents Carefull y unpack and v erify that y ou ha v e all of the items sho wn below . If an y of these items are missing, please contact y our place of pur chase. Standard accessories The supplied accessories will be suitable for y our region, and ma y differ from those illustrated.
Introduction 9 Optional accessories 1. Spare lamp kit 2. Ceiling mount kit 3. BenQ wireless dongle 4. carry bag 5. 3D glasses.
Introduction 10 Pr ojector e xterior view 1. External control panel (See "Projector" on page 11 for details.) 2. Lamp cov er 3. Focus ring 4. Projection lens 5. Lens cov er 6. V entilation holes (intak e) 7. Zoom slide lever 8. Fr ont IR re mote sensor 9.
Introduction 11 Contr ols and functions Pr ojector 5. ECO BLANK Press the ECO BLANK button to turn off the image for a perio d of time with 70% lamp pow er sa ving. See "Hiding the image" on page 44 for details. 6. AUTO Automati cally d etermines t he best picture timings f or the displa yed image.
Introduction 12 Mounting the projecto r W e want you to ha ve a pleasant experience using your BenQ pr ojector , so we need to bring this safety matter to your attent ion to prevent possible damage to person and property .
Introduction 13 Remote contr ol 1. ON T urns on the projector . See "Star ting up the projector" on page 27 for details. 2. COMPUTER 1/COMPUTER 2 Displa ys RGB (PC)/Compone nt video (YPbPr/ YCbCr) signal. 3. MENU/EXIT T urns on the On-Screen Displa y (OSD) menu.
Introduction 14 12. NETW O RK SETTING Displa ys Network Settings menu. See f or details. See "Network Settings" on page 71 for details. 13. Numbe r ke ys 14. OFF T urns off the projector . See "Shutting down the projector" on page 66 for details.
Introduction 15 Infra-Red (IR) r emote control sens or is located on the front of the pr ojector . The remote control m ust be held at an angle within 22.5 degrees perpendicular to the pr ojector's IR remote contr ol sensor to function corre ctly .
Positioning your projector 16 P ositioning y o ur pr ojector Choosing a location Y our room la y out or personal preference will dictate which installation location you select.
Positioning your projector 1 7 Obtaining a pr ef err e d pr ojected ima g e siz e The distance fr om the pr ojector lens to the scr een, the zoom setting (if a vailable), and the video format each factors in the projected image size.
Positioning your projector 18 Pr ojection dimensions Refer t o "Dimensions" on page 93 for the center of lens dimensions of this projector befor e calculating the appr opriate position. MX768 For example, If you ar e using the MX768 and a 200-inch scr een, the pr ojection distance is 7417 mm and with a vertical offset of 457 mm.
Positioning your projector 1 9 MW769 For example, If you ar e using the MW769 and a 200-inch screen, the pr ojection distance is 7797 mm and with a vertical offset of 337 mm. If you ar e using the MW769 and y our measur ed projection distance is 5.8 m (5800 mm), the closest match in the "Distance fr om screen (mm)" column is 5848 mm.
Connection 20 Connection When connecting a sig nal sour ce to the proj ector , be sure to: 1. T urn all equipment off bef ore making an y connections. 2.
Connection 21 Computer system r equirements f or USB displa y:: Computer system requir ements for WiFi displa y:: Computer system requir e ments for LAN display:: 1. Audio cable 7. USB cable (mini-B to type A) 2. Microphone 3.5 mini jack cable 8. Audio L/R cable 3.
Connection 22 Connecting a computer or monitor Connecting a computer The projector can connect to both IBM ® compatibles and Macintosh ® computers. A Mac adapter is needed if you ar e connecting legacy version Macintosh computers. T o connect the pr ojector to a notebook or desktop computer (using V GA): 1.
Connection 23 T o connect the pr ojector to a notebook or desktop computer (using HDMI): 1. T ake a HDMI cable and connect one end to the HDMI jack of the computer . 2. Connect the other end of the cable to the HDMI-1 or HDMI-2 jack on the pr ojector .
Connection 24 Connecting Video sour ce de vices Y ou need only conne ct the pr ojector to a Vide o source device using just one of the abo ve connecting methods, howe v er each pro vides a differ ent level of video quality .
Connection 25 • In the unlikely e vent that y ou connect the projector to a D VD pla y er via the projector's HDMI input and the pr ojected picture displa ys wr ong colors, please change the color space to YUV . See "Changing Color Space" on page 37 for deta ils .
Connection 26 Connecting an S-Video/co mposite sour ce de vice Examine your Video sour ce device to determine if it has an unuse d S-Video/composite output jack a vailable: • If it has both jacks, use the S-Video output jack for connection as the S-Video terminal pr ovides better picture qualit y than the Video terminal.
Operation 27 Operation Star ting up the pr ojector 1. Plug the power cord into the pr ojector and into a pow er outlet. Check that the PO WER indicator light on the projector lights orange after power has been applied. • Please use the original acce ssori es (e .
Operation 28 Y ou can also press SOURCE on the pr oject or or r emote cont rol to select y our desired input signal. See "Switching input signal" on page 36 for details. • If no signal is detected fo r 3 minutes, the projector auto matically enters ECO BLANK mode.
Operation 29 • Using the pr ojector or r emote contr ol Press / / / to display the 2D Keystone page. Press / to adjust v ertical values fr om -30 to 30. Press / to adjust horizontal values from -25 to 25. •U s i n g t h e O S D m e n u 1. Press MENU/EXIT and select the DISPLAY menu.
Operation 30 2. Press / / / to select one of the four corners and pres s MODE/ENTE R . 3. Press / to adjust vertical values from 0 to 60. 4. Press / to ad just horizontal values from 0 to 60. •U s i n g t h e QUICK INSTA LL key 1. Press QUICK INSTALL o n t h e re m o te c o nt ro l.
Operation 31 3. Press / to select the direction and press MODE/ENTER . Only one Surface Fit setting will be stor ed so if you want to change from the pr evious direction to the other , the notice message will pop-up to r emind you to reset the pr e vious Surface Fit setting.
Operation 32 8. Press / to adjust the top or/and bottom side conv ex or conca ve. Default is 0 and value is -40~0~40. Single side adjustment is only for distortion. 9. For both sides of the vertical surface fit, use / to adjust the center of the cur v e because it is not alwa ys at the center .
Operation 33 Using the menus The projector is equipp ed with On-Screen Displa y (OS D) menus for making various adjusents an d settings. Below is the ov erview of the OSD menu. The following example describes ho w to set the OSD menu. 1. Pres s MENU/ EXIT on the pr ojector or re m o te c on t rol t o tu r n t h e OS D menu on.
Operation 34 Securing the pr ojector Using a security cable lock The projector has to be installed in a safe pl ace to prev ent theft. Otherwise, purchase a lock, such as the K e nsington lock, to secur e the projector . Y ou can locate a K ensington lock slot on the rear side of the pr ojector .
Operation 35 If y ou forg et the passw or d If the passw ord function is activated, yo u will be asked to enter the six-digit password e very time you turn on the projector .
Operation 36 7. T o lea v e the OSD men u, press MENU/ EXIT. Disabling the pass w ord function T o disable passw ord pr otection, go back to the SYSTEM SETUP: Advanced > Security Settings > Change Security Settings menu after opening the OSD men u system and pr ess MODE/E NTER .
Operation 37 image distortion or loss of picture clarity . See "Selecting the aspect ratio" on page 37 for details. Changing Color Space In the unlik ely ev ent that y ou connect the projector to a D VD pla y er via the pr ojector's HDMI input and the projecte d picture displa ys wr ong colors, please change the color space to YUV .
Operation 38 About the aspect ratio In the pictures belo w , the b lack portions are in active ar eas and the white portions are active areas. OSD menus can be displa y ed on those unused black ar eas. 1. Auto : Scales an imag e proportionall y to fit the projector's nativ e resolution in its horizontal or vertical width.
Operation 39 Optimizing the imag e Selecting a pictur e mode The projector is pr eset with se veral pr edefined picture modes so that y ou can choose one to suit your operating environment and input signal picture type. T o select an operation mode that suits your need, you can follow one of the following steps.
Operation 40 Using W all Color In the situation wher e y ou are projecting on to a colored surface such as a pai nted wall which ma y not be white, the Wall Color feature can help cor rect th e projected pictur e’ s color to prev ent possible color differ ence betw een the source and pr ojected pictures.
Operation 41 Selecting a Color Temperature The options available for color temperature* settings vary according to the signal type selected. 1. Cool: Makes images app ear bluish white . 2. Normal: Maintains normal colorings for white. 3. Wa rm : M akes images appear reddish white.
Operation 42 T o adjust the settings: 1. Go to the PICTURE menu and sel ect 3D Color Management . 2. Press MODE/ENTER and the 3D Color Management page displays. 3. Select Primary Color and press / to select a color from among Red, Y ellow , Green, Cyan, Blue, or Magenta.
Operation 43 Setting the pr esentation timer The presentation timer can indicate the pr es entation time on the screen to help you achieve better time management when giving pr esentations.
Operation 44 Hiding the imag e In order to dra w the audience's full attention to the presen ter , you can use ECO BLANK to hide the screen image. Pres s any k e y on the projector or remote contr ol to restore the image. Eco Blank wording appears at the sc reen while the image is hidden.
Operation 45 Adjusting the sound The sound adjusents mad e as belo w will ha ve an effect on the pr ojector speaker(s). Be sur e you ha v e made a cor rect con nection to the pr ojector audio input. See "Connection" on page 20 for how the audio input is connected.
Operation 46 P ersonalizing the pr ojector men u displa y The On-Screen Displa y (OSD) menus can be set according to your pr efer ences. The following settings do not affect the pr ojection settings, operation, or performance . • Language in the SYSTEM SETUP: Basic menu sets your familiar language for the OSD menus.
Operation 47 U s e Te a c h i n g Te m p l a t e Making writing on the boar d easier for teachers, y ou can use build-i n template by OSD . Open the OSD menu and go to the DISPLAY > Teaching Template . Choose Blackboard/ Whiteboard > Off / Letter F ormation/W orksheet / Coordinate Chart .
Operation 48 Contr olling the pr ojector thr ough a LAN en vir onment Network Settings allow you to manage th e pr ojector from a computer using a w eb bro wser when the computer and the pr ojector are pr operl y connected to the same local area ne twork.
Operation 49 Configuring the Wir eless LAN Settings 1. Connect the BenQ wir eless dongle (optio nal) to the USB TYPE-A input jack of the pr ojector . 2. Select Wireless LAN in SYSTEM SETUP: Advanced > Network Settings menu and pr ess MODE/ENTER . 3.
Operation 50 2. The BenQ remote netw ork operation page opens. • The web pag e control supports IE version 7.0 or higher . • The illustrations in web pa ge contr ol, Q Pr es enter a nd USB Read er secti ons ar e for t he purpose of explanation and ma y differ from the a ctual design of your projector .
Operation 51 i. The se buttons function the same as the ones on the remote contr ol. See "Remote control" on page 13 for details. The Displa y Setti ng page allows y ou to operate the pr ojector as if y ou wer e using the OSD menus. These fu nctions are some useful menu set tings.
Operation 52 The Information page displa ys the info rmation and status of this projector . The Confer ence Contro l page allows you to co ntrol computer’ s displa y status of all the computers linked to this projector .
Operation 53 The Crestr on page is onl y a vailable when y ou are on a Wir ed LAN network. I t also allows you to contr ol the pr ojector r emotely . The Crestr on supports RoomVie w version 6 .2.2.9. i. These buttons function the same as the ones on the OSD menus or remote control.
Operation 54 i. Y ou can name the pr ojector , keep track of its location and the person in charge of it. ii. Y ou can adjust the Wired LAN settings. iii. Once set, access to the r emote networ k operation on this pr ojector has been passw ord-pr otected.
Operation 55 The Admin page allows y ou to e nter Basic, Wired LAN, Wireless LAN and Mail pages once the passw ord is entered. The default pa ssw ord is “0000”. If you wan t to change the passw ord, please enter Basic page. The Basic page allo ws you to change the passw ord and select connected persons.
Operation 56 The Wired LAN page allows you to adjust the Wired LAN sett ings. The Wireless LAN page allo ws you to adjust the Wirless LA N settings. Max. length for SSID string is 16 bytes. Please use a differ ent SSID when more than tw o projectors ar e connecting thr ough wireless LAN.
Operation 57 The Mail page a llows you to send al ert e-mail to your ITS administrator . Y ou can first tr y the Mail T est function to check if the Aler t Mail works.
Operation 58 1. Go to the SYSTEM SETUP: Advanced > Security Settings > Chang e Security S ettings menu after opening the OSD menu system. Press MODE/ ENTER . The message “INPUT P A SSW ORD” appears. Enter the curr ent passw ord. If the password is correct, the OSD menu returns to the Security Sett ings page .
Operation 59 ii. Projectors link ed in the LAN will be found. Then select the projector you want to link. iii. Click “Connect”. Then you should be able to see the image on pr ojector .
Operation 60 appers on th epr ojector . Y ou can change th elocation anytime y ou want, ev en back to ful l scr een or blank out. The Basic and Advanced Setti ngs pages allow y ou to configur e the Q Presenter . i. Y ou can select whether to activate Remote Desktop function.
Operation 61 vii. Y ou can select Video or Graphic displa y mode . Graphic Mode: worse image quality but faster tramsmission speed. Video Mode: better image quality but slow er tran smission speed. How e v er , th e actual transmission performance was determined by the status of network usage at that time .
Operation 62 Using the br oadcassting function When it comes to 1:N LAN Dispa ly ,ther e are two wa ys to do this function: 1. By TCP/IP (support up to 8 porjectors, original design) 2. By Multicast(support up to 255 projectors, this ne w design) Y ou can select channel 1, 2, 3, 4, 5,6.
Operation 63 Remote Desktop Contr ol thr ough Q Pr esenter The Q Presen ter can pr oceed the Remote Desktop Contr ol (RDC) the host PC fr om projector site. 1. Setup the RDC login account (User name and Password ) in Q Presenter . • Name: must be 8 English capital letters A~Z an d number 0 ~9.
Operation 64 2. Activate Remote Desktop Contr ol Function in Q Pr esenter > Settings > Basic Settings . 3. Open the OSD menu and go to the SYSTEM SETUP: Advanced > Netwo rk Settings menu. Pr ess MODE/ENTER . 4. Select Remote D esktop and press MODE/ ENTER .
Operation 65 T o view y our pictures as a slideshow , follow these steps: 1. Connect a USB flash drive to y our computer and cop y files from y our computer to the USB flash drive. 2. T urn on your pr ojector if needed. 3. Remove the USB flash drive fr om your computer and plug it into the USB TYPE-A jack of the pr ojector .
Operation 66 Shutting do wn the pr ojector 1. Press Power on the projector . A confirmation message displa ys pr ompting you. If you don't r espond in a few seconds, the message will disappear . If you use the remote control, pr ess OFF to shut down the projector .
Operation 67 Menu operation Menu system Please note that the on-screen displa y (OSD) menus vary acco rding to the signal type selected. Main menu Sub-menu Options 1.
Operation 68 2. PICTURE Pictur e Mode Dynamic / Presentation / sRGB / Cinema /(3D)/ Us er 1 / User 2 Reference Mode Dynamic / Presentation / sRGB / Cinema /(3D) Brightness Contrast Color Tint Sharpnes.
Operation 69 4. SYSTEM SETUP: Basic Presentation Timer Timer Period 1~240 minutes Timer Display A lways /1 min/2 min/3 mi n/Nev er Timer Position Top-Left /Bottom-Left/T op-Right/ Bottom-Righ t Timer .
Operation 70 5. SYSTEM SETUP: Advanced High Altitude Mode On/ Off Ye s / No Audio Settings Mute On/ Off Volume 0~10 Microphone Volume 0~10 Power On/Off Ring Tone On /Off Lamp Settings Lamp Mode Normal.
Operation 71 Note that the menu items ar e a vailable when th e pr ojector detects at least one valid signal. If there is no equipment connected to the pr ojector or no signal detected, limited menu items are accessible.
Operation 72 Description of each menu • The default values listed in th is manual, especially on pag es 72-82 , are for reference only . They ma y vary between the projectors due to the continuous impr o vement to the products . FUNCTION DESCRIPTION Wall Color Corr ects the projected pictur e’ s colo r when the projection surface is not white.
Operation 73 FUNCTION DESCRIPTION 3D This projector f eature s a 3D function which enables you to enjoy the 3D movies, videos, and sporting ev ents in a more realistic wa y by presentin g the depth of the images. Y ou need to wear a pair of 3D glasses to view the 3D images.
Operation 74 FUNCTION DESCRIPTION Picture Mode Pre- defined pictur e modes ar e pr ovided so y ou can optimize y our projector image set-up to suit y our pr ogram type.
Operation 75 FUNCTION DESCRIPTION Brilliant Color Adjusts white peaking while mainta ining correct color presentation. See "Adjusting Brilliant Color" on page 40 for det ail s. This function is only a vailabl e when User 1/2 is selected. Color Temperature See "Selecting a Color T emperature" on page 41 f or details.
Operation 76 FUNCTION DESCRIPTION Presentation Timer Reminds the presenter to finish the presentation within a certain time frame. See "Setting the presentation timer" on page 43 for details. Timer Period Sets a prefer red length of time for pr esentation.
Operation 77 FUNCTION DESCRIPTION Operation Settings Direct Power On Selecting On enables the function. See "Starting up the pr ojector" on page 27 for details. Signal P o wer On Selecting On the pr ojector will turn on automat ically when V G A signal is detect ed.
Operation 78 FUNCTION DESCRIPTION Remote Receiver Sets which IR remote sensor of the projector will r eceive the signal from the r emote control. Panel Key Lock Disables or enables all panel ke y functions except P ow er on the projector and k e ys on the r emote control.
Operation 79 FUNCTION DESCRIPTION High Altitude Mode A mo de fo r oper ati on in high alt itud e areas . Se e "Operating in a high altitude envir onment" on page 44 for details. Audio Settings Allows you to enter the audio setting menu. See "Adjusting the sound" on page 45 for details.
Operation 80 FUNCTION DESCRIPTION Test Pattern Selecting On enables the function and the projector displa ys the grid test pattern. It helps you adjust the image size and focus and check that the projected image is fr ee fr om distortion.
Operation 81 FUNCTION DESCRIPTION Standby Settings Network Selecting On enables the function, and the projector can be monitored or contr olled over a network when it is in standby mode. Microphone Selecting On enables the function, and the micr ophone can be used ev en in standby mode Monitor Out Selecting On enables the function.
Operation 82 FUNCTION DESCRIPTION Network Settings AMX Device Discovery Selecting On the projector can be dete cted by AMX controller . Mac Addres s Show Mac address.
Maintenance 8 3 Maintenance Car e of the pr ojector Y our projector needs little maintenance. The on ly thing y ou need to do on a regu lar basis is to keep th e lens and case clean. Nev er remo ve any parts of the projector except th e lamp. Contact y our dealer if other parts need replacing.
Maintenance 84 Lamp information Getting to kno w the lamp hour When the projector is in operation, the durati on (in hours) of lamp usage is automatically calculated by the built-in timer .
Maintenance 8 5 presentation, s elect Disable . The projector will not automatically shut do wn in a certain time period. Timing of r eplacing the lamp When the Lamp indicator lights up red or a me ssage appears suggesting it is tim e to replace the lamp , please install a new lamp or consult your dealer .
Maintenance 86 Replacing the lamp • Hg - Lamp contains merc ury . Manag e in accordance with local disposal la ws. See www .lampr ecycle.org. • If lamp replacement is performed while the projector.
Maintenance 8 7 3. Remove the lamp cov er by (a) sliding the cov er toward the side of the projector and (b) lifting it off. • Do not turn the power on with the lamp cov er r emov ed. • Do not inser t your fing ers between the lamp and the projector .
Maintenance 88 11. Restart the projector . Do not turn the power on wi th the lamp cover r emo ved. Resetting the lamp timer 12. After the startup logo , open the On-Scr een Displa y (OSD) menu. Go to the SYSTEM SETUP: Advanced > Lamp Sett ings menu.
Maintenance 8 9 Indicators Light Status & Description PO WER TEM P LAMP1 LAMP2 Po w e r e v e n t s Orange Off O ff Off Stand-by Gre en Flashing Off Off Of f P owering up Gre en Off Off Off Normal.
Maintenance 90 Gre en Flashing Red Off Of f T emperatur e 2 err or (ov er limited temperatur e) Gre en Flashing Red Flashing Off Off Thermal Sensor 2 open err or Gre en Flashing Gre en O ff Off Therma.
Troubleshooting 9 1 T r oub leshooting The projector does not turn on. No picture Blurr ed imag e Remote contr ol does not work The passw ord is incorr ect Cause Remedy There is n o power fr om the po wer cab le. Plug the po wer cor d into the A C inlet on the projector , and pl ug the power cord into the power outlet.
Specifications 92 Specifications All specifications ar e subject to change without notice. Lamp life res ults will vary depending on envir onmental conditions and usa ge. Optical Resolution (MX768) 1024 x 768 XGA (MW769) 1280 x 800 WXGA Display system 1-CHIP DMD Lens F/Number (MX768) F= 2.
Specifications 93 Dimensions 329 mm (W) x 137.2 mm (H) x 248.7 mm (D ) Ceiling mount installation 329 248.7 137.2 62.5 77.4 75.0 221.0 100.0 146.0 329.
Specifications 94 Timing char t Supported timing for D-SUB input PC timing Resolution Mode Ve r t i c a l Fr equency (Hz) Horizontal Fr equency (kHz) Clock (MHz) 720 x 400 7 20 x 400_70 7 0.087 31 .469 28.3221 640 x 480 VGA _ 6 0* 1 59.940 31.46 9 25.
Specifications 95 * 1 Supported timing for 3D signal with Field Sequential, ov er -under a nd side-by-side format. * 2 Supported timing for 3D signal with Field Sequential format. * 3 Supported timing for 3D signal with ov er -under and side-b y-side format.
Specifications 96 * 1 Supported timing for 3D signal with Field Sequential, ov er -under a nd side-by-side format. * 2 Supported timing for 3D signal with Field Sequential format. * 3 Supported timing for 3D signal with over -under and side-by-side format.
Specifications 97 Supported timing for Component Video Input *Supported timing for 3D signal with Field Sequential format. Supported timing for Video and S-Video inputs *Supported timing for 3D signal with Field Sequential format.
Specifications 98 Support ed 3D signal for HDMI (HDCP) input Video timing PC timing Timing Resolution Horizontal frequency (KHz) Ve r t i c a l frequency (Hz) 3D Field Sequential 3D frame packing 3D ove r - under 3D side by side 480i 720 (1440) x 480 15.
Specifications 99 Supported 3D signal for D-SUB inpu t PC timing 1280 x 800 WXGA_60 59.81 49.702 ◎◎ ◎ WXGA_75 74.934 62.795 WXGA_85 84.88 71.554 WXGA_120 (Reduce Blanking) 119.909 101.563 ◎ 1280 x 1024 SXGA_60 60.02 63.981 ◎◎ SXGA_75 75.025 79.
Specifications 100 Supported 3D signal for Video and S-Video input 1280 x 720 1280 x 720_60 60 45 ◎◎ ◎ 1280 x 720_120 120 90 ◎ 1280 x 768 1280 x 768_60 (Reduce Blanking) 60 47.396 ◎◎ ◎ 1280 x 768_60 59 .87 47.77 6 ◎◎ ◎ 1280 x 800 WXGA_60 59.
Warranty and Copyright information 101 W arran ty and Cop yright information P atents This BenQ pr ojector is cov ered b y the following patents: U.S. paten ts 6,837,608; 7,275,834; 7,18 1,318; TW patents 202690; 2054 70; I228635; I259932; China Patents ( 中国 发明专利 ) ZL01143168.
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté BenQ MX768 c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du BenQ MX768 - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation BenQ MX768, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le BenQ MX768 va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le BenQ MX768, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du BenQ MX768.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le BenQ MX768. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei BenQ MX768 ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.