BenQ W1350 manuale d’uso

W1350 Digital Pr ojector Home Cinema Series User Manual[...]

2 Ta b l e o f c o n t e n t s Important safety instructions ................... 3 Projector features ........ 7 Shipping content s . .............. ............. .......... 9 Projector exte rior view ......... ............ .... 10 Controls and functions .......... ............ .... 12 Positioning your projector ..................... 17 Choosing a [...]

Important safety ins tructions 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 product. Safety Instruction[...]

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 oximately 45 minutes prior to r emoving the lamp assembly f or replacement. 8. Do not operate lamps beyond the rated lamp life. Excessive operation of lamps beyond the rated life could cause the[...]

Important safety ins tructions 5 Safety Instructions (Continu ed) 13. Do not place this projector in an y of the following environments. - 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 . - Locations where temperatur es ma y become excessively high, such as the insi[...]

Important safety instruction s 6 Safety In struct ions (Conti nued) 17. Do not step on the projector or place any objects upon it. Besides pr obable ph ysical damage to the projector , doing so ma y result in accidents and possible injury . 18. Do not place liquids near or on the projector . Liquids spilled into the projector ma y cause it to fail.[...]

Projector features 7 Pr ojector featur es • Full HD com patible The pr ojector is compatible wi th Standar d Definition TV (SDTV) 480i, 576i, Enhanced Definition television (EDTV) 480 p, 576p and High Definition TV (HDTV) 720p , 1080i/p 60Hz formats, with the 1080p format pr oviding a true 1:1 image repr oduction. • High pictur e quality The pr[...]

Projector features 8 • SmartEco™ star ts y our dynamic po wer sa ving The SmartEco™ technology of fers a new wa y of operating the projector lamp system and sa ves lamp pow er depending on the content brightnes s level. • Longest lamp life with S mart Eco™ technology The SmartEco™ technolog y lowers the pow er consumption and increases [...]

Projector features 9 Shipping contents Carefull y unpack and ve rify that you ha v e all of the items shown be low . If an y of these items are missing, please contact y our place of purchase. Standard accessories The supplied accessories will be suitable for y our region, and may diff er from those illustrated. *The warranty card is only supplie d[...]

Projector features 10 Pr ojector exterior vie w 1. Lamp compartment cover 2. Projection lens 3. Quick-release button 4. External control panel (See "Projector" on page 12 for details.) 5. T op IR remote sensor 6. Lens Shift 7. Focus ring and Zoom ring 8. V ent (cool air intake) 9. Fr ont IR remote sensor 10. Lens cap & string 11. HDMI[...]

Projector features 11 29. Ceiling m ount holes 30. Front adjuster foot 31. Rear adjuster foot Bottom side 30 31 29 29 29 31[...]

Projector features 12 Contr ols and functions Pr ojector 9. K eystone/Arr o w ke ys ( / ▲ Up) Manually corrects distorted images resulting fr om an angled projection. See "Corr ecting ke ystone" on page 33 for details. 10. LAMP indicator light Indicates the status o f the lamp. Lights up or flashes when the lamp has dev eloped a pr oble[...]

Projector features 13 Remote contr ol 1. ON, OFF T oggles the pr ojector between on and off mode. 2. 3D , INVER T Launches the 3D menu and toggles the inv er t function between on and off. 3. Arr o w k eys ( ▲ Up / ▼ Down/ ◄ Left/ ► Right) When the On-Scr een Displa y (OSD) menu is activated, these k eys ar e used as directional arr ows to [...]

Projector features 14 10. LIGHT The LED backlight lights up and stays on for appr oximatel y 30 seconds when pressing an y ke y on the r emote control. Pressing any other keys within the 10 second again turns the LED backlight off. 11. A UT O Automatically determines the best picture timings for the displa yed image. 12. ECO BLANK Used to blank the[...]

Projector features 15 Remote contr ol effective rang e Infra-Red (IR) remote control sensor is located on the front and the top of the projector . The remote control m ust be held at an angle within 30 degrees perpendicular to the pr ojector's IR remote control sensor to function correctly . The distance between the remote contr ol and the sen[...]

Projector features 16 Replacing the remote contr ol battery • Av oid excessiv e heat and humidity . • There ma y be battery damag e if the batter y is incorrectly repl aced. • Replace only wi th the same or equivalent type recommended by the battery manufacturer . • Dispose of the used batter y according to the battery manufacturer’ s ins[...]

Positioning your projector 17 P ositioning y our pr ojector Choosing a location Before choosing an installation location for your projector , tak e the following facto rs into consideration: • Size and position of your screen • Electrical outlet location • Location and distance betw een the pr ojector and the res t of your equipment Y ou can [...]

Positioning your projector 18 Obtaining a pr efer red pr ojected image size The projected image size is determined by th e distance from the pr ojector lens to the screen, the zoom setting, and the video format. Pr ojection dimensions Refer t o "Dimensions" on page 70 for the center of lens dimensions of this projector befor e calculating[...]

Positioning your projector 19 There is 5% tolerance among these number s due to optical compon ent variations. BenQ recommends that if y ou intend to permanently inst all the pr ojector , y ou should physical ly test the projection siz e and distance using the actual projector befor e you permanently install it, so as to make allo wance for this pr[...]

Positioning your projector 20 Shifting the pr ojection lens The lens shift control pro vides flexibility for insta lling your pr ojector . It allows the projector to be positioned off the center of the screen. The lens shift is expressed as a percentage of the projected image half height. It is measured as an off set from the pr ojected image’ s [...]

Connection 21 Connection When connecting a sig nal source to the pr ojector , be sure to: 1. T urn all equipment off bef ore making an y connections. 2. Use the correct si gnal cables for each source. 3. Ensure th e cables are firml y inserted. • In the connections shown belo w , some cables ma y not be included with the projector (see "Ship[...]

Connection 22 HDMI connecti on HDMI (High-Definition Multimedia Inte rface) supports uncompressed video data transmission between compatible devices lik e DTV tuners, D VD pla yers, Blu-ra y pla y ers and displa ys ov er a single cable . Y ou should use an HDMI cable when making a connection between the pr ojector and HDMI devices. 3 Notebook or de[...]

Connection 23 Smar t devices connection The projector can pr oject the content directl y from a MHL compatible smart device. Using an HDMI to Micr o USB cable or an HDMI to Micr o USB adaptor , you can connect your smart devices to the projector and then enjo y your content on the big screen. Some smar t devices may not be compatible to the cable t[...]

Connection 24 Using an HDMI to Micr o USB adaptor and an HDMI cable 1. Connect one end of the HDMI cable to the HDMI input connector on the pr ojector . 2. Connect the other end of the HDMI cable to the HDMI input socket on the ada ptor . 3. Connect the other end of the adap tor to the Micr o USB output sock et on y our smar t device. 4. Switch to [...]

Connection 25 Component Video connection 4. Component Video to V GA (D-Sub) adapter cable 5. Component Video to Component cable 7. Audio L/R cable 8. Audio cable 7 5 8 4 Notebook or desktop computer A/V device Speak ers[...]

Connection 26 Video connection 6. Video cable 7. Audio L/R cable 8. Audio cable 7 6 8 Notebook or desktop computer A/V device Speak ers[...]

Connection 27 Computer/PC connection • Many notebooks do not turn on their external video por ts when connected to a projector . Usually a k ey combo lik e FN + F3 or CR T/LCD k e y turns the external di splay on/off. Locate a function ke y labeled CR T/LCD or a function key with a monitor symbol on the not ebook. Press FN and the labeled functio[...]

Connection 28 Connecting video sour ce de vices Y ou need only connect the pr ojector to a video source device using just one of the connecting methods, howe ver each pr ovides a differ ent lev el of video quality . The method you choose will most likel y depend upon the availability of matching terminals on both the projector and the video sour ce[...]

Connection 29 Pla ying sound thr ough the pr ojector Y ou can mak e use of the projector (mix ed mono ) speaker in y our presentations, an d also connect separate amplif ied speakers to the AUDIO OUT sock et of the pr ojector . If you ha ve a separate sound system, you will most likel y want to connect the audio output of your Vide o source device [...]

Operation 30 Operation Star ting up the pr ojector 1. Plug the power cor d into the proje ctor and into a wall socket. T urn on the wall socket switch (where f itted). Check that the PO WER indicator light on the projector lights orange after power has been applied. Please use t he original access ories (e.g. po wer ca ble) only with the device to [...]

Operation 31 4. If you are pr ompted for a password, pr ess the arrow k eys to enter a six digit passw ord. See "Utilizing the passw ord function" on page 41 for details. 5. Switch all of the connected equipment on. 6. The projector will start to search for input signals. The cur rent input signal being scanned displa ys in the upper left[...]

Operation 32 Adjusting the pr ojected image Adjusting the pr ojection angle The projector is equipp ed with 1 quick-release adjuster foot and 2 r ear adjuster foot. These adjusters change the ima ge height and projection angle. T o adjust the projector : 1. Press the quick-r elease button and lift the front of the pr ojector . Once the ima ge is po[...]

Operation 33 Fine-tuning the imag e siz e and clarity 1. Adjust the projecte d image to the size that you need us ing the ZOOM ring. 2. Then sharpen the image by r otating the FOCUS ring. Corr ecting k e ystone K e ystoning ref ers to the situ ation wher e the pr ojected image is noti ceably wider at either the top or bottom. It occurs when the pr [...]

Menu Functions 34 Menu Functions About the OSD Menus T o let you make various adjustments or setting s on the projector and the pr ojected image , the projector is equipped with 2 types of multilingual On-Screen Displa y (OSD) menus: • Basic OSD menu: pr ovides primar y menu functions. (See "Using the Basic OSD menu" on page 36 ) • Ad[...]

Menu Functions 35 If you intend to s witch from the Basic OSD menu to the Advanced OSD menu, follow the instructions below: Use the arro w k eys ( ▲ / ▼ / ◄ / ► ) on the projector or remote contr ol to mov e through the menu items, and use OK to confirm the selected menu it em. • When there is a video signal connected to the pr ojector i.[...]

Menu Functions 36 Using the Basic OSD menu Depending on whether or not any video signal is connected to the pr ojector , the Basic OSD menu offers different a vailable functions. Check the followin g links to learn more. • "Basic OSD menu - with input signals connected" on page 36 • "Basic OSD menu - without input signals connect[...]

Menu Functions 37 Vo l u m e Adjusts the volume le vel of the pr ojector's internal speak er or the volume being output from the audio outpu t jack. If the Mute function is activated, adjusting V olume will t urn off the Mute function. The function is accessible t hrough the r emote cont rol. Mute Selects On to temporarily turn off the project[...]

Menu Functions 38 • Auto Sour ce Sets whether the pr ojector search es automaticall y for inpu t sources . Select On to enable the projector to scan for input sources until it acquires a signal. If the function is set to Off , the pr ojector s elects the last used input source . • Menu T ype Switches to the Advanced OSD menu. •H D M I F o r m[...]

Menu Functions 39 Basic OSD menu - without input signals connected As there’ s no input signal to y our projecto r , only the submenus of Settings under Basic OSD menu - with input signals connected ar e a v ailable. Menu options that are not a vailable will become gray ed out. T o access the OSD menu, pr ess MENU on the projector or r emote cont[...]

Menu Functions 40 Using the Advanced OSD menu The Advanced OSD menu offers complete menu functions. The Advanced OSD menu ov er view abo ve is for re fer ence only and ma y differ from the actual design and the projector model you ar e using. T o access the OSD menu, press MENU on the pr ojector or remote control. It is consisted of the following m[...]

Menu Functions 41 Securing the pr ojector Using a security cable lock The projector has to be installed in a safe pl ace to prevent theft. Otherwise, purchase a lock, such as a K e nsington lock, to secur e th e projector . Y ou can locate a K ensington lock slot on the left side of the projector . See "K ensington anti-theft lock slot" o[...]

Menu Functions 42 If y ou forg et the passw ord If the passw ord function is activated, you will be ask ed to enter the six-digit password e very time you turn on the projector . If you enter the wrong passw ord, the passw ord err or message as pictured to the right displa ys lasting for three seconds, and the message 'INPUT P ASSW ORD' f[...]

Menu Functions 43 Changing the passw or d T o do this, first and foremost, you ha ve to access the Advan ced OSD menu (see "About the OSD Men us" on page 34 for details). 1. Open the OSD menu and go to the System Setup: Advanced > Pa s sw o rd > Change pass word menu. 2. Press OK . The message 'INPUT CURRENT P ASSW ORD' di[...]

Menu Functions 44 Switching input signal The projector can be connected to multiple de vices at the same time . Howe ver , it can only displa y one full screen at a time . If you wa nt the proje ctor to alwa ys automaticall y search f or the signals: • Under the Advanced OSD me nu, go to the System Setup : Basic menu, and enable Auto Sour ce . (s[...]

Menu Functions 45 Pictur e menu Submenu Functions and Descriptions Picture Mode Selects a preset picture mode to suit yo ur operating envir onment and input signal picture t ype. The preset p icture modes ar e described as below: • Bright: Maximizes the brightness of the pr ojected image. This mode is suitable fo r environments wh ere extra-h i g[...]

Menu Functions 46 Brightness Adjusts the bright ness of the pictur e. Wh en adjusting this control, the black ar eas of the picture appear just as black an d details in the dark ar eas are visible. The higher the value, the brighter th e picture, while the low er the value, the darker the pictur e. The function is accessible thr ough the remote con[...]

Menu Functions 47 Lamp Po wer Selects the projector lamp po wer fr om the following modes. • Normal: Provides full lamp brightness. • Economic: Reduces system noise and po wer consumptio n by 30%. • SmartEco: Redu ces system noise and lamp power consump tion by up to 70%. If the Economic or SmartEc o mode is selected, the light output wi ll b[...]

Menu Functions 48 Advanced... • Color Management In most installation si tuations, color man agement will not be ne cessar y , such as in classroom, meeting r oom, or lounge room situations wher e lights r emain on, or where building external windo ws allow da ylight into the room. Only in permanent installation s with controlled lighting levels [...]

Menu Functions 49 Film Mode Enhances pictur e quality when pr ojecting composite image fr om a film sourced D VD or Blu-ra y Disc. Setting Off disables the function. Reset Cur rent Picture Mode All of the adjustments y ou’v e made for the selected Pi cture Mode (including preset modes, User 1 , and User 2 ) return to the factory preset values. 1.[...]

Menu Functions 50 Audio Setup menu Submenu Functions and Descriptions Sound Mode •E f f e c t M o d e Selects a sound effect mode to your pref erence. The following pr eset sound modes are p rovide d: Standard , Cinema , Music , Spor t , and User . When selecting the User mode, you ma y make manual adjustmen ts with the User EQ function. If the M[...]

Menu Functions 51 Displa y menu Submenu Functions and Descriptions Aspect Ratio The native displa y resolution of this projector is in a 16:9 aspect ratio. Ho wev er , you ma y use t his function to displa y pr oj ected pictur e of different aspect ratio . In the follo wing illustrations, the blac k portions are inactiv e areas and the white portio[...]

Menu Functions 52 PC & Component YPbPr T uning •H . S i z e Adjusts the horizontal width of the picture. This function is only a vailable when th e PC signal (analog RGB) is selected. •P h a s e Adjusts the clock p hase to reduce picture distortio n. This function is only a vailable when th e PC signal (analog RGB) is selected. • Auto (On[...]

Menu Functions 53 System Setup : Basic menu Submenu Functions and Descriptions Language Sets the language for the On -Screen Displa y (OSD) menus. Backgroun d Color Sets the backgr ound color wh en ther e is no signal to the projector . Splash Screen Allows y ou to select which log o screen displa ys during projecto r start-up. Y ou can choose BenQ[...]

Menu Functions 54 System Setup : Advanced menu Submenu Functions and Descriptions Reset Lamp Timer Activates this func tion only after a ne w lamp is installed. When you select Reset , a "Reset Successfull y" message displays to notify that the lamp time has been reset to "0". HDMI Settings •H D M I F o r m a t Selects an inpu[...]

Menu Functions 55 Passwor d For security pur poses and to pre vent unautho rized use, you ma y set up passw ord security for the pr ojector . See "Utilizing the passwor d function" on page 41 for details. •C h a n g e P a s s w o r d Y ou will be ask ed to enter the curr ent passw ord befo re changing to a ne w one. •P o w e r O n L o[...]

Menu Functions 56 Information men u Some information is given onl y when cer tain input sources ar e in use . Submenu Functions and Descriptions Source Displays the curr ent signal source. Picture Mode Displa ys the current pi ctur e mode under the Pictur e menu. Resolution Displays the native r esolution of th e input source. Color System Displ a [...]

Menu Functions 57 Shutting down the pr ojector 1. T o turn the projector off, pr ess on the remote contr ol to turn projector off directly . Or you can pr ess PO WER on the pr ojector and a warning messag e appears. Press PO WER ag ain. 2. Once the cooling process f inishes, the PO WER indicato r light is a stead y orange and fans stop. 3. Disconne[...]

Menu Functions 58 Advanced OSD menu structur e Please note that the on-screen displa y (OSD) menus vary according to the signal type selected. Main m enu Sub-menu Option s Picture Pictur e Mode ISF Disabled: Brig ht/ Vivid /Cinema/ Game/User 1/User 2 ISF Enabled: Bright/Vivid/Cinema/ Game/User 1/User 2 / ISF Night / ISF Da y 3D Enabled: 3D User Mod[...]

Menu Functions 59 Audio Setup Sound mode Effect Mod e Standard/Cinema/Mu sic/Sport/ User User EQ 100 Hz/300 Hz /1k Hz/3k Hz/ 10k Hz Mute V olume Po w e r O n / O f f Ring T o ne Reset Audio Settings Reset/ Cancel Displa y Aspect Ratio Auto /4:3/16:9/Wide/L etter Box Image P osition Over scan Adjustment PC & Component YPbPr T uning H. Size/Phase[...]

Menu Functions 60 System Setup: Advan ced Reset Lamp Timer Reset/ Cancel HDMI Settings HDMI F ormat Auto /PC Signal/Video Sign al PC Signal: 0 ~255 lev el Video Signal: 6~235 lev el CEC On /Off Baud Rate 2400/4800/960 0/14400/19200/ 38400/57600/ 115200 T est Pattern On/ Off Closed Caption Closed Caption Enable On/ Off Caption V ersion CC1 /CC2/CC3/[...]

Maintenance 61 Maintenance Car e of the pr ojector Y our projector needs little maintenance. The on ly thing y ou need to do on a regular bas is is to keep th e lens clean. Nev er remov e any parts of the projector except the lamp . Contact your dealer if other parts need replacing. Cleaning the lens Clean the lens whenev er you notice dirt or dust[...]

Maintenance 62 T ransporting the projector It is recommended that you ship the pr ojecto r with its origina l packing or equivalent. 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 . T o obtain the la mp hour information: 1. [...]

Maintenance 63 Timing of r eplacing the lamp When the Lamp indicat or lights up red or a messag e appears suggestin g it is time to replace the lamp , please install a new lamp or consult your dealer . An old lamp may cause a malfunction in the pr ojector and in some instances the lamp may explode. Go to http://www .benq.com for a replacement lamp [...]

Maintenance 64 Replacing the lamp • If lamp replacement is performed while the projector is suspended upside-do wn from the ceiling, make su re that no one is underneath the lamp socket to av oid any possib le injur y or damage to the human ey es caused b y fractured lamp. • T o reduce the risk of electrical shock, alwa ys turn the projector of[...]

Maintenance 65 10. Restart the projector . Do not turn the power on wi th the lamp cover r emov ed. 5. Lift the handle s o that it stands up. Use the handle to slowly pull the lamp out of the projector . • Pulling it too quickly may cause the lamp to break and scatter brok en glass in the projector . • Do not place the lamp in locations where w[...]

Maintenance 66 Resetting the lamp timer 11. After the startup logo displa ys, rese tting the lamp timer via the OSD menu. • Under the Advanced OSD men u, go to System Setup : Advanced > Reset Lamp Timer , and select Reset . • Under the Basic OSD menu, if ther e’ s no signal connected to the projector , go to Reset Lamp Timer and select Res[...]

Maintenance 67 Indicators Light Status & Description Po w e r Te m p Lamp Po w e r e v e n t s Orange Off Off Stand-by mode Green Flashing Off Off Power i ng up Green Off Off Normal operation Orange Flashing Off Off Projector is cooling. Lamp ev ents Off Off Orange Flashing The lamp ignition is not lit up. Off Off Red 1. The projector needs 90 [...]

Troubleshooting 68 T r oub leshooting Prob lem Caus e Remedy The pr ojector does not turn on. There is n o power fr om the pow er cable. Plug the power cord into the A C inlet on the pr ojector , and plug the po wer cord in to the pow er outlet. If the po wer outlet has a switch, make sur e that it is switc hed o n. Attempting to tu rn the pro ject[...]

Specifications 69 Specifications Pr ojector specifications All specifications ar e subject to change without notice. Optical Resolution 1080p Display system Single-chip DLP™ system Lens F/Number F = 2.42 to 2.97, f = 20.7 t o 31.05 mm Lamp 260W lamp Electrical Power supply AC100-240V , 3.5A 50-60 Hz (Automati c) Power consumption 350W (Max); <[...]

Specifications 70 Dimensions 330 mm (W) x 128 mm (H) x 257 mm (D) 174.5 100.0 55 146.0 538 578 636.50 330 162.5 102.5 130 70.5 257 219.5 247 128 51.0 330.0 67.5 Ceiling Mount Installation *Ceiling Mount Screws: M4 (Max. L=25, Min. L=20) Unit: mm 257[...]

Specifications 71 Timing char t Supported timing for PC input Resolution Mode Refresh rate (Hz) H- frequency (kHz) Clock (MHz) 3D Field Sequential 3D over- under 3D side- by-side 800 x 600 640 x 480 720 x 400 1024 x 768 1152 x 864 1024 x 576 1024 x 600 1280 x 720 1280 x 768 1280 x 800 1280 x 1024 VGA_60 VGA_72 VGA_75 VGA_85 720 x 400_70 SVGA_60 SVG[...]

Specifications 72 There 3D timing sho wing depend the EDID file and V GA display car d. It is possible that user cannot choose the above 3D timings on V GA displa y card. Resolution Mode Refresh rate (Hz) H- frequency (kHz) Clock (MHz) 3D Field Sequential 3D over- under 3D side- by-side 1280 x 960 1360 x 768 1440 x 900 1400 x 1050 1280 x 960_60 128[...]

Specifications 73 Support timing for Component - YPbPr input Timing 480i 480p 576i 576p 720/50p 720/60p 1080/50i 1080/60i 1080/24p 1080/25p 1080/30p 1080/50p 1080/60p Resolution 720 x 480 720 x 480 720 x 576 720 x 576 1280 x 720 1280 x 720 1920 x 1080 1920 x 1080 1920 x 1080 1920 x 1080 1920 x 1080 1920 x 1080 1920 x 1080 Horizontal frequency (KHz)[...]

Specifications 74 Support timing for Vi deo and S-Video input Support timing for HDMI (HDCP) input Video mode NTSC PAL SECAM PAL-M PAL-N PAL-60 NTSC4.43 Horizontal frequency (KHz) 15.73 60 3.58 ˖ 15.63 50 4.43 15.63 50 4.25 or 4.41 15.73 60 3.58 15.63 50 3.58 15.73 60 4.43 15.73 60 4.43 Vertical Frequency (Hz) Sub-carrier Frequency (MHz) 3D Field [...]

Specifications 75 There timing sho wing depend the EDID file and V GA graphic card limitation. It is possible that user cannot choose the above timings on V GA display card. Resolution Mode Refresh rate (Hz) H- frequency (kHz) Clock (MHz) 3D Field Sequential 3D over- under 3D side- by-side 1280 x 768 1280 x 800 1280 x 1024 1280 x 960 1360 x 768 144[...]

Specifications 76 Support ing timing for HDMI Video input Supporting timing for MHL input Timing Resolution 3D Field Sequential 3D frame packing 3D over- under 3D side- by-side 480i 480p 576i 576p 720/50p 720/60p 1080/24p 1080/25p 1080/30p 1080/50i 1080/60i 1080/50p 1080/60p 720 (1440) x 480 720 (1440) x 576 720 x 480 720 x 576 1280 x 720 1280 x 72[...]

Warranty and Copyright information 77 W arran ty and Cop yright information Limited warranty BenQ warrants this pr oduct against any de fects in material an d workmanship , under normal usage and storag e. Proof of pur chase date will be requir ed with an y warranty claim. In the e vent this pr oduct is found to be defective within the war ran ty p[...]