Manuale d’uso / di manutenzione del prodotto MX750 del fabbricante BenQ
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We l c o m e MX750/MP780 ST Digital P roj ecto r Us e r M a n u a l.
Table of contents 2 Ta b l e o f c o n t e n t s Important safety instructions .. ....................... 3 Introduction . ....................... 7 Projector features .................................. 7 Shipping contents ............................
Important safety inst ruct ions 3 Important safet y instructions Y our pr ojector is des igned and test ed to meet the latest standar ds for sa fety of information technology equipment. H owev er , t o ensure safe use of this product, it is important that yo u follow the instructions mentioned in this manual and marked on the product.
Important safety inst ructions 4 Safety Instructio ns (Continued) 7. The lamp becomes extremely hot during op eration. Al low the proj ec tor to co ol fo r a pproxi mat ely 45 minut es prior to r emoving the lamp assembly for replacement. 8. Do not operate lamps beyond the rated lamp li fe.
Important safety inst ruct ions 5 Safety Instructio ns (Continued) 13. Do not place this p rojecto r in any of the following en vi ronments. - Space that is poorly ventilated or confined. Allo w at least 50 cm clearance from walls and free flow of air around the projector .
Important safety inst ructions 6 Safety Instructio ns (Continued) 16. Do not stand the projector on end ver t i ca ll y . D o in g s o may c au s e t he projector to fall over , causi ng injur y or resulting in damage t o the projecto r . 17. D o not step on the projector or place any objects upon it.
Introducti on 7 In trod uction Pr ojec tor featur es The projector integ rates hig h-perfor mance optical eng ine projection and a user-fri endly design to deliv er high reliability and ease of use.
Introduction 8 Shipping contents Carefully unpack and verify that you hav e all of the items shown b elow . If any of these items are missing, please contact your place of purchase. St an da rd acce ss or i es The supplied accessories will be suit able for your region, and may differ from those illustrate d.
Introducti on 9 Optional ac cessories USB power adapt er Po i n t D r a w TM pen holder Po i n t D r a w TM pen w rist strap Po i n t D r a w TM pen qu ick s tart gu ide Q Draw interactive software 1. Spare lamp kit 2. Ceiling mount kit 3. Soft carry case (s tandard ac cessory for MX750) 4.
Introduction 10 Proj e cto r ex te r io r v ie w 1. External control panel (See "P rojector" on page 11 for details.) 2. Lamp co ver 3. Focus ring (MX750) Focus slide leve r (MP780 ST) 4. Pr ojection lens 5. Lens co ver 6. V ent (heated ai r exhaust) 7.
Introducti on 11 Contro ls and func ti ons Proj e c tor 6. AUTO A utomatically determ ines the best pi cture timings for the d isplayed image. See "A uto-adjusting the ima ge" on page 31 for details . 7. Power/ PO WER indic ator light T oggles the projector betw een standby mode and on.
Introduction 12 Mounting the pr ojector W e want you to ha ve a pleasant experienc e using y our BenQ pr ojector , so w e need to bring this safety matter to your attention t o prev ent possible damage t o person and propert y .
Introducti on 13 Rem o te c o n t ro l 1. ON T u rns on the projector . S ee "Sta rt ing up t he projector" on page 30 for deta ils. 2. COMPUTER -1/COMPUTER -2 Displays RGB (PC)/Component video (YP bP r/ Y CbC r) si gna l. 3. S-VIDEO Displays S-video sign al.
Introduction 14 18. AUTO A utomatica lly determi nes the be st picture timings for the displa yed image. See "A uto-adjusting the image" on page 31 for details.
Introducti on 15 Infra-Red (IR) re mote control sensor is located on the front of the projector . The remote control must be held at an angl e within 30 deg rees perp endicular to the projector's IR remot e contr ol sensor t o function c orrectly .
Positioning your project or 16 P ositioning your pr ojector Choosing a location Y our room lay out or personal prefer ence will dictate which installation location you select.
Positioning your projector 17 O btaining a preferr ed projected image siz e The distanc e from the pr ojector lens t o the sc reen, the zoom setting (if available), and the vide o format ea ch factors in the proj ected ima ge size.
Positioning your project or 18 How to deter m in e th e p os it io n of the projector for a giv en screen size 1. Select your screen size. 2. Re fer to the t able on page 19-20 and find th e closest matc h to your screen siz e in the left columns la belle d "Screen siz e" .
Positioning your projector 19 MX750 Pr ojection dimensions Ref er to "Dim ensions" on page 93 for the ce nter of lens dimensions of this projector before calculating the appr opriate position. There is 3% tolerance among these numbers due to optical component variation s.
Positioning your project or 20 MP780 ST Pr ojection dimensions Ref er to "Dim ensions" on page 93 for the ce nter of lens dimensions of this projector before calculating the appr opriate position. There is 3% tolerance among these numbers due to optical component variation s.
Connection 21 Connection When connecting a signa l source to the projector , be sure to: 1. T urn all equipmen t off befor e making an y con nections. 2.
Connection 22 Computer system requirements for USB display:: Computer system requirements for W iFi disp lay:: Computer system requirements for LA N display :: Opera tion System Requirements Min imu m Ha rdw are Requ irem en ts Wi nd o w s XP Windo ws Vista Suppor ts USB 2.
Connection 23 Connecting a c omputer or monito r Conn ecting a co mputer The projector can connect to both IBM® c ompatibles and Macintosh® comput ers. A Mac adapter is needed if y ou are co nnecting legacy version M acintosh c omputers. T o conn ec t th e proj ec tor to a n ote boo k or de sktop comp uter ( usi ng VGA): 1.
Connection 24 a function key labeled CRT/LCD or a function key with a mo nitor symbol on the notebook. Press FN and the labeled function key simu ltaneously .
Connection 25 Connecting a monit or If y ou want to view y our prese ntation close-up on a monitor as well as on the scr een, you can conn ect the MONITOR OUT s ig n a l o ut p u t j a c k on t h e p ro j e c to r to a n ex te r n a l m o n it o r following the instructions below : T o conn ec t t he p roje cto r to a mo nitor : 1.
Connection 26 Connecting Video sour ce devices Y ou need only co nnect the project or to a Vid eo source device us ing just one of the abov e connecti ng methods, howev er each pro vides a differ ent level of video quality .
Connection 27 Connecting an HDMI sour ce device The project or pro vides an HDMI input jack th at al lows you to connect it to an HDM I so urce de v ice like a DV D p laye r , a DT V t une r, a dis pl ay o r a n ot eb oo k co mpu te r .
Connection 28 Conne ct ing a Com ponen t Video s ource dev ice Examine your V ideo source device to det ermine if it has a set of unused Component Vid eo output jacks available: • If so, y ou can continue w ith this procedure. • If not, you wil l need to reassess w hich metho d you can use to connect to the de vice.
Connection 29 Connecting an S-V ideo/composit e sourc e dev ice Examine y our Vid eo sourc e device to det erm ine if it has an unused S-V ideo/composit e output jack available: • If it has both jac ks, use the S-V ideo output jack for connection as the S-V ideo terminal pro vides better picture quality than the V ideo terminal.
Operat ion 30 Operation Star ting up the projecto r 1. Plug the power cord into the projector and into a power ou tlet. Check that t he POWER indica tor light on the projector ligh ts orange after pow er has been applied. • Please use the original accessories (e.
Operation 31 Yo u c a n a l s o p r e s s SOURCE on the projector or remote control to select your desi red input signal. See "S witching input signal" on page 36 for detai ls.
Operat ion 32 Fine-tuning the image size and clarity 1. Adjust the proj ected im age to the size that you need usi ng the zoom slide lever . (MX750 only) 2.
Operation 33 Us i n g t h e m e n u s The pr ojector is eq uipped with On-Scree n Display (O SD) menus fo r making various adjustments and settings. Below is the overview of the OSD menu. The following example descr ibes how to set the OSD language. 1.
Operat ion 34 Securing the projecto r U sing a securit y cable lock The pr ojector has to be installed in a safe place to prev ent theft. Otherwise, purcha se a lock, such as the K ensington l ock, to secure the projector. Y ou can locate a K ensington loc k slot on the rear side of the projector .
Operation 35 six-digit passwor d, or if you did not r ecord the pa ssword in this manual, a nd you absolutely do not r emember it, y ou can use th e passwor d recall p rocedur e. See "Entering the passw ord recall p rocedu re" on page 35 for details.
Operat ion 36 •I f t h e p a s s w o r d i s c o r r e c t , the OSD menu returns to the Security Settings page with 'Off' shown in the row of Power on Lock . Y ou wil l not hav e to ent er the password next time you turn on the project or .
Operation 37 This function is only availa ble when t he HDMI input por t is in use. Magnifyi ng and searching for details If y ou need to find the details on th e project ed picture, magnify the picture . U se the directio n arrow k eys for na vigating the pictur e.
Operat ion 38 • Usin g t he remo te c ont rol 1. Press ASPECT to sho w the current setting. 2. Press ASPECT repeat edly to select an a spect ratio to suit the format of the video signal and your display requirements. • U sing the OSD m enu 1. Press MENU/EXIT and then press / until the DISP LAY menu is highlighted.
Operation 39 most suitable for images which ar e alread y in a 16:10 aspect, like high definition TV , as it displa ys them with out aspect alteration.
Operat ion 40 7. When all settings h av e been done, hig hlig ht Save Settings and press MODE/ENTER to store the settings. 8. The confirmation message ' Setting Sav ed ' displays.
Operation 41 The option s available for color temperature* settings var y according to the sig nal ty pe selected. 1. T1: W ith the highest c olor temperatur e, T1 mak es the image appea r the most bluish white than other settings. 2. T2: Mak es images appear bluish whit e.
Operat ion 42 Please refer t o the illustration to the right for how the colors r elate to each other . For e xample, if you select R ed and set its range at 0, only pure red in th e projected picture w ill be selected. Increasing its r ange will include red close t o yellow and red close to m age nta .
Operation 43 Setting the presentation timer The presentation timer can indicate the presenta tio n time on the screen to help you ac hieve better tim e management when giv ing presentations.
Operat ion 44 Connect the projector to y our PC or notebook w ith a USB cable prior to using the paging function. See "Connecting a c omputer" on page 23 for details.
Operation 45 1. Press on the remote control or press MENU/EXIT to open the OSD menu and press / to highl ight t he INFORMATION menu. 2. Pr ess to highlig ht FAQ-Image and Installation or FAQ-Features and Service based on the information you want to know .
Operat ion 46 If you use this projector under other extreme cond itions excluding the above, it may display auto sh ut-down symptoms, whic h is designed to pr otect your pr ojector fr om ove r-heati ng. In cases like this, y ou should switch to Hi gh Altitu de mode to s olve these symptoms.
Operation 47 P ersonalizin g the pr oject or menu displa y The On-Screen Dis play (OSD) menus can be set according to your prefer ences. The following settings do not af fect the projecti on settin gs, op erati on, or per forma nce.
Operat ion 48 2. Pr ess to highlig ht DHCP and press / to select Off . 3. Contact y our ITS admi nistrator for inf ormation on the IP Address , Subnet Mas k , Default Gateway , and DNS settings. 4. Press to selec t the item you want to modify and enter the value.
Operation 49 • The illustrations in web p a ge control, Q Presenter and USB Reader sections are for the purpose of explanation and may differ fro m the actual design of your projector. 3. Click Download to sav e Q Presenter softwar e on your computer .
Operat ion 50 i. These buttons function the sa me as the ones on the remote control. See "Remot e con trol " o n p age 13 for details . The Display Setting page allows you to operate the projector as if you wer e using the OSD menus. These functions are some useful menu setting s.
Operation 51 The Information pa ge displays the info rmation and status of this pr ojector . The Conference Control page allows you to control c omputer’ s display status of all the computers linked to this projector .
Operat ion 52 The Crestron page is only available when you are on a W ired LAN network. It also allo ws you t o control the pr ojector remote ly . The Crestron supports RoomV iew version 6.2.2.9. i. These buttons function the sa me as the ones on the OSD m enus or remote contr ol.
Operation 53 The tools page a llows you t o manage the pr oj ector , configur e the LAN co ntrol settings and secure access of remote network operation on this projector . i. Y ou can name the projector, keep track of its location and the person in charge of it.
Operat ion 54 The info page displays the informat ion and status of this projecto r . i. Pr ess exit to go back to the Crestr on remote netw ork operation page. The Admi n page allows y ou to enter Basic, W i red LAN, W ireless LAN and M ail pages once the passwor d is entered.
Operation 55 The Basic page allo ws you to c hange the passwor d and select connect ed persons. The number of connected persons may affect the network display performance.
Operat ion 56 The Wireless LAN page allows y ou to adjust the W irless LAN setting s. Max. length for SSID string is 16 bytes. Pl ease use a different SSID when more than two projectors are connecting through wireless LAN. The Mail page allows y ou to send ale rt e-mail to y our ITS administrat or .
Operation 57 Displaying image through Q Pr esenter The Q Presenter is an application r unning on the ho st PC. It connects to an available network display and transfers the desktop conten ts to the netw ork display via local netw ork con ne ct ion . Be sure to turn off other virtual network control programs before using Q Presenter.
Operat ion 58 ii. Projectors linked in the LAN will be found. Then sele ct the projector you want to link. iii. Click “ Connect” . Then y ou should be able to see the image on projector . iv . Y ou can click to disconnect all connected projectors.
Operation 59 ii. Y ou can select to stop/start displaying deskt op cont ents to connect ed network display . iii. 4-1 Displa y (up to 4 c omputers can shoot to 1 projector at t he same time). Click the location you want t o display . 4locations can be chosen (1-4) or 2 places (L and R) if it’ s 2 computers.
Operat ion 60 vii. Y ou can select Video o r Graphic di splay mode. Graphic M ode: worse image quality but faster tramsmission speed. Vi deo Mode: bett er image quality but slower transmission speed. However , the actual transmission perfor mance was determined by the status of network usage at that time.
Operation 61 Pr esenting Fr om a USB R eader This fature displa ys a slide sh ow of images stor ed on a USB flash drive connected to the project or . It can eliminat e the need for a c ompute r source. Image File T y pes USB Read er display s images files in JP EG, GIF , TIFF , PNG and BMP formats.
Operat ion 62 ii. Sel ected folde r iii. Suppor ted fil e forma t iv . U nsupported file format During slid eshow: To P r e s s open folder Enter scro ll th rou g h t hum bn ai ls fou r a rro w ke ys .
Operation 63 Settings page: i. Y o u can adjust order settings. ii. Y ou can adju st Slidesho w settings. iii. P ress OK to sa ve the settings. iv . Press Cancel to ign ore the cha nge .
Operat ion 64 Remo te D e sk top Con t rol th rou g h Q Pre s en ter The Q Pr esenter ca n proceed t he Remot e Desktop Co ntrol (RDC) the host PC from proj ec tor site . 1. Setup the R DC log in account (U ser name an d Passwor d ) in Q Presenter . • N ame: must be 8 English capital letters A~Z and number 0 ~9.
Operation 65 3. Open the OSD menu and go to the SYSTEM SE TUP : Adv an ce d > Network Settings menu. Press MODE/E NTER . 4. Highl ight Rem o te D e sk to p and press MODE/ ENTER . 5. Enter the Acco u n t and Pa s s wo r d the same as step 1. 6. Highl ight Con nec t and press MODE/ENTER to connect the selected PC.
Operat ion 66 Po i n t D r a w TM P en (MP780 ST only) The P ointDraw TM pen works like a wireless mouse - but one that works in midair , no t on you r de sk top. Jus t ho ld th e p en i n yo ur han d, and point it at the p roj ecte d im ag e to p oin t, click and drag.
Operation 67 H ow to hold the P ointDr a w TM pen Yo u c a n h o l d t h e P o i n t D r a w TM the way y ou would hol d a normal pencil or pen, or y ou can hold it lik e a remote control - use in whichever position is most comfortable. If the PointDraw TM pe n is far away from the scr een, be sure to press the left mouse button to click an d drag.
Operat ion 68 P ointDraw TM pen featur es T roubleshooting • If the pen doesn't work at all, or it works intermittently , tr y one of these soluti ons: - If the pen's battery lig ht is blinking or li t, then the pen's bat tery is fully discharged; connect the pen to the USB pow er adapter o r your c ompute r .
Operation 69 ii. I f you d on't see the file on the “Scalin gFix” volu me, you ma y need to d ouble-click the disk image icon on the deskt op . iii. Double-clic k “P ointDraw Scaling Fix” . The installer should run, follow the prompts. iv .
Operat ion 70 • Actual lamp lives may vary due to differ ent environmental conditi ons and usage..
Operation 71 Me n u o p e r a t i o n M enu system Please note th at the on-scree n display (OSD) menus vary acco rding to the signal type selected. Main menu Sub-menu Options 1.
Operat ion 72 4. SYSTEM SETUP: Basic Presentation Timer Timer period 1~240 minutes Timer displ ay Always/Last 1 Min/Last 2 Min/ Last 3 Min/Never Timer positi on Top-Left / Bott om-Left / Top- Right / .
Operation 73 5. SYSTEM SETUP: Adv a n c e d Quick Cooling On / Off High Altitude Mode On / Of f Audio Setti ngs Mute On / Off Volume Microphone Volume Power on/off Ring Tone On / Off Lamp Settings Lam.
Operat ion 74 Note that the menu items are available when the projector detec ts at least one valid sig nal. If there is no equipment conne cted to the projector or no signa l detected, limited menu items are acc essible.
Operation 75 Description of each menu • The default values lis ted in this manual, espe cially on pages 75-83 , are for reference only . They may vary between the projectors due to the continuous improvement to the products. FUNCTION DESCRIPTION Wall Color Corrects the pr ojected pi cture ’ s c olor when the pr ojection surf ace is not white.
Operat ion 76 FUNCTION DESCRIPTION 3D Sync This projector featu res a 3D function which enables you to enjoy the 3D movies, videos, and sport ing events in a mo re realistic wa y by presenting the depth of the images. Y ou need to wear a pair of 3D glas ses to v iew the 3D imag es.
Operation 77 FUNCTION) DESCRIPTION Picture Mode Pre-de fined picture modes are pr ovided so you can optimiz e your project or image set-up t o suit y our program type.
Operat ion 78 FUNCTION DESCRIPTION Brillia nt Co lor Adjust s white peaking while ma inta ining correct c olor prese ntation. See "A djusting Brilliant Color" on page 40 for de tails. This function is only available when User 1/2 is selected.
Operation 79 FUNCTION DESCRIPTION Presentation Timer Reminds the presenter to finish the presentation w ithin a cer tain time frame. See "Set ting the presentation timer" on page 43 for details. Timer period Sets a preferred length of time for presentatio n.
Operat ion 80 FUNCTION DESCRIPTION Remote Receiver Sets wh ich IR remote sensor of the projec tor will receive the sig nal from th e re mo te co nt rol. Panel Key Lock Disables or enables all panel key functions except P ower on the project or and keys on the r emote contr ol.
Operation 81 FUNCTION DESCRIPTION Quick Cooling Selecting On enables the function and the pr ojector cooling time will be shortened to a few seconds. If you attempt to rest art the projector right af ter the quick cooling process, it may not be turned on successfully and will rerun its cooling fans.
Operat ion 82 FUNCTION DESCRIPTION Test Pattern Selecting On enables the function and the pr ojector dis plays the gr id test pattern. It helps you adjust the image size and focus and check that the projected image is free from dist ortion.
Operation 83 FUNCTION DESCRIPTION FAQ-Image and Installation Displays possible solutions to problems y ou may encounter . FAQ- Features and Service Current System Status Source Shows the current signal source. Picture Mode Shows th e selected mode in the PICTURE menu.
Maintenance 84 M aintenanc e Care of the pr ojector Y our pr ojector needs l ittle mainte nance. The only thing you need to do o n a regular bas is is to keep the lens and case clean. Nev er remov e an y parts of the project or exc ept the lamp . Contact y our dealer if other parts need re placing.
Maintenance 85 Lamp information Getting to kno w the lamp hour Whe n the proj ector is in operation, the du ration (in hours) of lam p usage is aut omatically calculated by the built-in timer .
Maintenance 86 T iming of r eplacing the lamp When the Lamp indicator lights up r ed or a message appears sugg esting it is time to r eplace the lamp , please install a new lamp o r consult y our dealer . An old lamp may cause a malfunction in th e project or and in some i nstances the lamp may e xplode.
Maintenance 87 R eplacing the lamp • Hg - Lamp cont ains mercury . Manage in accor dance with local disposal laws. See www .lamprecycle.org. • If lamp replacement is performed while the projector .
Maintenance 88 3. Re move the lamp co ver b y (a) sliding the cov er towar d the side of the project or and (b) lifting it off. • Do not turn the power on with the lamp cover removed. • Do not insert your fingers between the lamp and the projector .
Maintenance 89 11. Restart the pr ojector . Do not turn the power on w i th the lamp cover removed. Res etting the lamp timer 12. After the star tup lo go, open the On-Screen Display ( OSD) m enu. Go to the SYSTEM SETUP: Advanced > Lamp Settings menu.
Maintenance 90 Ind ic ato rs Light S t atus & Description POWER TEMP LAMP Power events Orange Off Off Stand-by mo de Green Flashing Off Off Po w e r in g u p Green Off Off N ormal operation Orange Flashing Off Off 1. The projector needs 90 seconds to cool do w n as it was abnormally shut down without the normal cooling down process.
Troubleshooting 91 T r oubleshooting The projector does not turn on. No pi c t u r e Blurred image Remot e control d oes not work The password is incorrect 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 po wer cord into the power outlet.
Specifications 92 Specifications All specifications are subject to change without notice. Optical Res ol ut i on (MX750) 1024 x 768 X GA (MP780 ST) 1280 x 800 WX GA Display system 1-CHIP DMD Lens F/ N umb er (MX750) F = 2.68 to 3.4, f = 15.94 to 25.5 mm (MP780 ST) F = 2.
Specifications 93 Dimensions 329 mm (W ) x 137.2 mm (H) x 241.9 mm (D) Ceiling mount installation 329 241.9 137.2 62.5 77.4 75.0 221.0 100.00 1 16.00 82.
Specifications 94 Ti m i n g ch a r t Supported timing for PC input Resolution Horizont al Frequenc y (kHz) Ve r t i c a l Frequency (Hz) Pixel Frequency (MHz) Mode 720 x 400 31.469 70.087 28.322 720 x 400_70 640 x 480 31.469 59.940 25.175 V GA_60 37.
Specifications 95 Suppo r ted timing for HDMI input Displaying a 1080i(1 125i)@60Hz or 1080i(1 125i)@50Hz signal may resul t in sl ight image vibration. Resolution Horizont al Frequency (kHz) Ve r t i c a l Frequency (Hz) Pixel Frequency (MHz) Mode 720 x 400 31.
Specifications 96 Supported timing for Component-YP b P r input Displaying a 1080i@60Hz or 10 80i@50Hz signal may result in slight image vibrat ion. Supported t iming for Video and S-Video inputs Signal Format Horizontal Frequency (kHz) V ertical Frequency (Hz) 480i(525i)@60Hz 15.
Warranty and Copyright inf ormation 97 W ar r anty and Copyr ig ht information P a tents for MP780 ST This BenQ project or is cov ered by the following patents: U .S. patents 6,837,608; 7,275,834; 7,181,318; TW patents 202690; 205470; I228635; I259932; China P atents ( 中国发明专利 ) ZL01143168.
Regulation state m ent s 98 R e gulation statements FCC statement CLASS B : Thi s equipment gene rates, uses and can radiate radio fr equency energy and, if not installed and used in accordance with the i nstruc tions, may cause harm ful interference to radio communication s.
Regulation stat ements 99 A ccessibility R equirements for R e habilitation A c t of 1973, Section 508 BenQ’ s commitm ent to accessi ble produc ts al lows us to su ppor t government in mak ing acce.
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 MX750 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 MX750 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso BenQ MX750 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul BenQ MX750 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il BenQ MX750, 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 MX750.
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 MX750. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo BenQ MX750 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.
