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BenQ 9H.JAT77.23E - page 1
MH740 Digital Pr ojector User Manual ...
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BenQ 9H.JAT77.23E - page 2
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 featu res .... ................... .............. 7 Shipping content s ..... ....................... .......... 8 Projector exte rior view.... ..................... .. 9 Controls and fu nctions ..... ..... ...
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BenQ 9H.JAT77.23E - page 3
Important safety instructions 3 Impor tant safety instructions Y our projector is designed and tested to meet the latest st andards f or s af ety 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 Instructi ...
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BenQ 9H.JAT77.23E - page 4
Important safety instruc tions 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 ...
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BenQ 9H.JAT77.23E - page 5
Important safety instructions 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 insid ...
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BenQ 9H.JAT77.23E - page 6
Important safety instruc tions 6 Safety In structions (Con tinued) 17. Do not step on the projector or place any objects upon it. Besides pr obable ph ysical dama ge to the pr ojector , doing so ma y result in accident s and possible injury . 18. Do not place liquids near or on the projector . Liquids spilled into the projector ma y cause it to fai ...
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BenQ 9H.JAT77.23E - page 7
Introductio n 7 Intr oduction Pr ojector featur es The pr ojector offers the f ollowing featur es • SmartEco™ star t s your dynamic po wer sa ving The SmartEco™ technology offers a new wa y of o p erating the pr ojector lamp syst em and sa ves lamp pow er up to 70% depend ing on the content brightness level. • Longer lamp life with SmartEco ...
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BenQ 9H.JAT77.23E - page 8
Introduction 8 Shipping contents Carefull y unpack and verif y that you ha ve all of the items sho wn below . If any of these items are missing, please contact y our place of purchase. Standar d accessories The supp lied accessories w ill be suitable fo r y our r egion, and may differ fr om thos e illustrated. Optional accessories *The warranty car ...
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BenQ 9H.JAT77.23E - page 9
Introductio n 9 Pr ojector exterior view 1. Lamp compartment cover 2. Quick-release button 3. Projection lens 4. Focus ring and Zoom ring 5. External control panel (See "Projector" on page 11 for details.) 6. V ent (cool air intake) 7. Fr ont IR remote sensor 8. Lens cap & string 9. US B T ype B por t 10. RGB signal output jack 11. CO ...
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BenQ 9H.JAT77.23E - page 10
Introduction 10 28. Celling m ount holes 29. Rear adjuster foot Bottom side 28 29 28 28 ...
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BenQ 9H.JAT77.23E - page 11
Introductio n 11 Contr ols and functions Pr ojector 7. POWER T oggles the projector between standby mode and on. See "Starting up the projector" on page 22 and "Shutting down the projector" on page 41 for details. 8. PO WER indicator light Lights up or flashes when the pr ojector is under operation. See "Indicators" on ...
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BenQ 9H.JAT77.23E - page 12
Introduction 12 Remote Contr ol 1. ON / OFF T oggles the pr ojector between standby mode and on. 2. Sour ce selection buttons Selects an input source for displa y . 3. K eystone/Arr o w keys ( / ▲ Up , / ▼ Do wn) Manually corr ects distor ted images resulting from an angled pr ojection. 4. MENU/ EXIT T urns on the On-Screen Displa y (OSD) menu. ...
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BenQ 9H.JAT77.23E - page 13
Introductio n 13 20. MUT E T oggles pr ojector audio between on and off. 21. SMAR T ECO Switch the lamp mode between Eco/ Normal and SmartEco . 22. QUICK INST ALL (" TEST " is for Japan r egion) Displa ys the Quick Install OSD menu. Operating the LASER pointer The Laser Pointer is a presentation aid for prof essional s. It emits a beam of ...
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BenQ 9H.JAT77.23E - page 14
Introduction 14 Remote contr ol effective rang e Infra-Red (IR) r emote control sensor is located on the fr o n t and the rear of the projector . The remote control m ust be held at an angle within 30 degrees perpendicular to the pr ojector's IR remote contr ol sensor to function correctly . The distance between the remote contr ol and the sen ...
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BenQ 9H.JAT77.23E - page 15
Introductio n 15 Replacing the remote contr ol batter y 1. T o open the battery cov er , turn the remote contr ol ove r to view its back, push on the finger grip on the cover and slide it up in the direction of the arrow as illustrated. The cover will slide off. 2. Remove any existing batteries (if necessar y) and insta ll tw o AAA batteries obser ...
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BenQ 9H.JAT77.23E - page 16
Positionin g your projector 16 P ositioning y our pr ojector Choosing a location Y our projector is designed to be installed in one of f our po ssible installat ion locations: Y our room la yout or personal prefer ence will dicta te which installation location you select. T ake into consideration the size and position of y our screen, the lo cation ...
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BenQ 9H.JAT77.23E - page 17
Positioning your projector 17 Obtaining a pr eferr e d pr ojected image size The distance fr om the projector lens to the screen, the zoom setting (if a vailable), and the video format each factors in the projected image size. Pr ojection dimensions Refer t o "Dimensions" on pag e 62 f or the center of lens dimensions of this p rojector b ...
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BenQ 9H.JAT77.23E - page 18
Positionin g your projector 18 There is 5% tolerance among the se numbers due to op tical component variations. BenQ r ecommends that if you intend to permanently install the projector , you s hould physically test the projection size and distance using the actual pr ojector before you permanently inst all it , so as to mak e allowance for t his pr ...
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BenQ 9H.JAT77.23E - page 19
Connection 19 Connection When connecting a sig nal source to the pr ojector , be sur e to: 1. T urn all equipment off bef ore making any conn ections. 2. Use the correct si gnal cables for each source. 3. Ensure th e cables are firmly inser ted. In the connections shown below , some cables may not be included with the projector (see "Shi pping ...
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BenQ 9H.JAT77.23E - page 20
Connection 20 Connecting video sour ce devices Y ou need only connect the pr ojector to a video sour ce device using just one of the connecting methods, howe ver each pr ovides a differ ent le vel 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 ...
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BenQ 9H.JAT77.23E - page 21
Connection 21 Pla ying sound thr ough the pr ojector Y ou can mak e use of the projector (mixed mono ) spea ker in your pr esentations, and also connect separate amplif ied speakers to the A UDIO OUT sock et of the projector . If you ha ve a separate sound system, you will most likely want to connect the audio output of your Video so ur c e device ...
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BenQ 9H.JAT77.23E - page 22
Operation 22 Operation Star ting up the pr ojector 1. Remove the lens cap . 2. Plug the powe r cord into the pr ojector and into a wall socket. T urn on the wall sock et switch (where f itted). Check that the PO WER indicator light on the projector lights orange after power has b een applied. Please use the original accessories (e.g. pow er cable) ...
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BenQ 9H.JAT77.23E - page 23
Operation 23 Adjusting the pr ojected image Adjusting the pr ojection angle The projector is equipp ed with 1 quick-release adjuster foot and 1 rear 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 posi ...
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BenQ 9H.JAT77.23E - page 24
Operation 24 Fine-tuning the imag e size and clarity Corr ecting k eystone Keys tonin g refe rs to the situa tion wher e the pr ojected i mage is n oticeab ly wider a t either the top or bott om. It occurs when the projector is not perpendicular to the s cr een. T o co rrect this, besi des adj usting the h eight o f the pro jector , yo u can use Au ...
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BenQ 9H.JAT77.23E - page 25
Operation 25 Using the menus The projector is equipp ed with On-Screen Displa y (OSD) menus for making various adjustment s and settings. Below is the ov er view of the OSD menu. T o use the OSD menus, please set them to your familiar language first. 1. Pres s MODE/ENTER on the projector or remote control to turn the OSD menu on. 3. Press ▼ to hi ...
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BenQ 9H.JAT77.23E - page 26
Operation 26 Securing the pr ojector Using a security cable lock The projector has to be installed in a safe pl a ce to pr event theft. Otherwise, purchase a lock, such as a K ensington lock, to secure th e projector . Y ou can locate a K ensington lock slot on the left side of the projector . See "K ensington an ti-theft lock sl ot" on p ...
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BenQ 9H.JAT77.23E - page 27
Operation 27 If y ou forget the pass wor d If the passwor d function is activat ed, y ou will be asked to enter the fiv e-digit password e very time you turn on the projector . If you enter the wrong passw ord, the passw ord err or mes sage as pictured to the right displa ys lasting f or three seconds, and the message 'INPUT P ASSW ORD ' ...
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BenQ 9H.JAT77.23E - page 28
Operation 28 6. Y ou ha ve successfully assigned a ne w password to the projector . Re member to enter the new passw ord next time the pr ojector is started. 7. T o leav e the OSD menu, pr ess MENU/E XIT. Disabling the pass wor d function T o disable password pr otection, go back to the Syst em Setup: Advanced > Security Settings > Chan g e S ...
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BenQ 9H.JAT77.23E - page 29
Operation 29 Switching input signal The projector can be connected to multiple de vices at the same time . How ever , it can only displa y one full screen at a time . Be sure the Quick Auto Search function in the Source menu i s On (which is the default of this projector) if y ou want the pr ojector to automatically sear ch for the signals. Y ou ca ...
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BenQ 9H.JAT77.23E - page 30
Operation 30 Magnifying and sear ching for details If you need to find th e details o n the projected picture, magnify the pictur e . Use the direction ar row k eys for na vigating the picture. • Using the r emote control 1. Press Digital Zoom+/ - to displa y the Zoom bar . Press Digi tal Zoom+ to magnify the center of the picture. Pres s the key ...
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BenQ 9H.JAT77.23E - page 31
Operation 31 About the aspect ratio In the pictures below , the b lack portions are inactive ar eas and the white por tions ar e active ar eas. OSD menus can be displa yed on those unused black areas. 1. Auto : Scales an image proportionally to fit the pr ojector's native r esolution in its horizontal width. This is suitable for the incoming i ...
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BenQ 9H.JAT77.23E - page 32
Operation 32 Optimizing the image Using W a ll Color In the situation wher e you ar e projecting on to a color ed surface s uch as a painted wall which ma y not be white , the Wall Color f eature can help corr ect the projected pictur e’ s color to prev ent possible color difference betw een the source and pr ojected pictures. T o use this functi ...
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BenQ 9H.JAT77.23E - page 33
Operation 33 6. Press ▼ to select a sub-menu item to be changed and adjust the value with ◄ / ► . See "Fine-tuning the image quality in user modes" below f or deta ils. Fine-tuning the imag e quality in user modes According to the detected signal type, and se lected picture mode, some of the functions listed below ma y not be availa ...
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BenQ 9H.JAT77.23E - page 34
Operation 34 Setting a prefer red color temperatur e T o set a preferr ed color temperature: 1. Highlight Color T empera ture and select Wa r m , Normal or Cool b y pressing ◄ / ► on the projector or remote contr ol. 2. Press ▼ to highlight Color T emperature Fine T uning and pre ss MODE/ ENTER . The Color T emperature Fine T uning page appea ...
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BenQ 9H.JAT77.23E - page 35
Operation 35 Please ref er to the illustr ation to the right for how the colors relate to each other . For example, if you select Red and set i ts range at 0, only pur e red in the projected picture will be selected. Incr easing its range will include red close to yello w and red close to magenta. 5. Press ▼ to highlight Saturation and adjust its ...
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BenQ 9H.JAT77.23E - page 36
Operation 36 3. Press ▼ to highlight Timer Displa y and choose if you want the timer to show up on the screen b y pressing ◄ / ► . 4. Press ▼ to highlight Timer P ositio n and set the timer position by pr essing ◄ / ► . 5. Press ▼ to highlight Timer Cou nting Direction and select your desir ed counting direction b y pressing ◄ / ► ...
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BenQ 9H.JAT77.23E - page 37
Operation 37 Fr eezing the image Press FREE ZE on the r emote control to freeze the image. The word ' FREEZE ' will appear on the screen. T o release the function, pr ess any ke y on the projector or remote control. If your r emote control has the following k eys, please note that they cannot be pr essed to release th e function: LASER , ...
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BenQ 9H.JAT77.23E - page 38
Operation 38 Operating in a high altitude envir onment W e recommend y ou use the High Altitude Mode when your en vironment is betw een 1500 m –3000 m abov e sea lev el, and temperature is betw een 0°C–30°C. Do not use the High Altitude Mode if your altitude is between 0 m and 1500 m and temperature is betw een 0°C and 35°C . The projector ...
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BenQ 9H.JAT77.23E - page 39
Operation 39 Adjusting the sound le vel T o a djust the sound lev el, • Using the r emote control Press or to select a desired sound lev el. •U s i n g t h e O S D m e n u 1. Repeat steps 1-2 abov e. 2. Press ▼ to highlight Vo l u m e and press ◄ / ► to select a desired sound level. T urning off the P ow er on/off ring tone 1. Repeat step ...
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BenQ 9H.JAT77.23E - page 40
Operation 40 Using the teaching templates The pr ojector provides several pr eset patterns for various teaching purposes. T o activate the pattern: 1. Open the OSD menu and go to the D isplay > T eaching T emplate and pr ess ▲ / ▼ to select Blackboard or Whiteboard . 2. Press ◄ / ► to choose the pattern y o u nee d. 3. Press MODE/ENTER t ...
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BenQ 9H.JAT77.23E - page 41
Operation 41 Shutting down the pr ojector 1. Press PO WER or OFF and a confirmation message will appear pr ompting you . If you don't respond in a f ew seconds, the message will disappear . 2. Press PO WER or OFF a second time. The PO W ER indicator light flashes orange, the projection lamp shuts do wn, and the fans will continue to run for ap ...
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BenQ 9H.JAT77.23E - page 42
Operation 42 Menu operation Menu system Please note that the on-screen displa y (OSD) menus var y according to the signal type selected. Main m enu Sub-menu Option s 1. Display W all color Off/Light Y ellow/Pink/Light Gree n/ Blue/Blackboard Aspect Rati o Auto/Rea l/4:3/16:9/16:10 Ke y st o n e Pos iti on Phase H.size Digital zoom PC:1.0X~2. 0X; Vi ...
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BenQ 9H.JAT77.23E - page 43
Operation 43 2. Picture Picture Mode Dynamic/Presentation/sRGB/ Cinema/3D/User 1/User 2 Refer ence Mode Dynamic/Presentation/sRGB/ Cinema/3D Brightness Contrast Color Tint Sharpness Brilliant Color On/Off Color Te m p e r a t u r e Cool/Normal/ W arm Color T emperatur e Fine T uning R Gain/G Gain/B Gai n/R Offset/ G Offset/B Offset 3D Color Managem ...
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BenQ 9H.JAT77.23E - page 44
Operation 44 4. System Setup: Basic Presentation Timer Timer P eriod 1~240 min Timer Displa y Alwa ys/1 min/2mins/3 mins/ Never Timer P osition T op-Left/Bottom-Left/T op-R ight/ Bottom-Right Timer Counting Direction Count Down/Co unt up Sound Reminder On/Off On/Off Y es/No Language Projector Installation F r o n t Ta b l e / R e a r Ta b l e / R e ...
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BenQ 9H.JAT77.23E - page 45
Operation 45 Note that the menu items ar e available whe n th e projector detects at least one valid signal. If there is no equip ment connected to the pr ojector or no signal detected, limited menu items are accessible. 5. System Setup: Advan ced High Altitude Mode On/Off Audio Settings Mute On/Off Vo l u m e Po wer on/off Rin g On/Off Lamp Settin ...
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BenQ 9H.JAT77.23E - page 46
Operation 46 Description of each menu FUNCTION DESCRIPTION 1. Display menu W all color Corr ects the projected picture’ s colo r when the projection surface is not white. See "Using W all Color" on page 32 for details. Aspect Ratio There ar e seve ral options to set the image's aspect ratio depending on your input signal sour ce. S ...
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BenQ 9H.JAT77.23E - page 47
Operation 47 1. Display menu 3D This projector f eatures a 3D function which enables y ou 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. 3D Mode The default setting is Au to and the pr ojector automaticall y chooses a ...
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BenQ 9H.JAT77.23E - page 48
Operation 48 2. Picture menu Picture Mode Pre- defined picture modes are pro vided so you can optimize your projector image set-up to suit y our program type. See "Selecting a picture mode" on page 32 for d etails. Refer ence Mode Selects a pictur e mode that most suits y our need for the image quality and further fine-tune the image base ...
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BenQ 9H.JAT77.23E - page 49
Operation 49 4. System Setup: Basic menu Presentation Timer Reminds the presenter to finish the presentation within a certain time frame . See "Setting the presentation timer" on page 35 for details. Languag e Sets the language for the On -Screen Displa y (OSD) menus. See "Using the menus" on page 25 for details. Projector Insta ...
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BenQ 9H.JAT77.23E - page 50
Operation 50 4. System Setup: Basic men u Remote Receiver Sets the pref erred remote r eceiver (Front and Rear) allowing th e projector to accept signals from the r emote c ontr ol. Pa ne l K ey Lock Disables or enables all pa nel k ey functions except PO WER on the projector and k eys on the r emote control. See "Locking control k eys" o ...
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BenQ 9H.JAT77.23E - page 51
Operation 51 5. System Setup: Advanced menu Baud Rate Selects a baud rate that is identica l with your computer’ s so that you can connect the projector us ing a suitable RS-232 cable and update or download the projector’ s firmware. This function is intended for qualified service personnel. Te s t P a t t e r n Selecting On enables the functio ...
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BenQ 9H.JAT77.23E - page 52
Operation 52 The Information menu shows y ou the cu r rent operating status of the projector . 6. Information menu Curr ent System Status Source Shows the current signal source. Picture Mode Shows the selected mode in the Picture menu. Resolution Shows the native r esolution of the input signal. Lamp Mode Sh ows th e curre nt la mp mo de. 3D F orma ...
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BenQ 9H.JAT77.23E - page 53
Maintenance 53 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 basis is to keep th e lens clean. Nev er remov e an y par ts of the pr ojector except the lamp. Contact y our dealer if other parts need replacing. Cleaning the lens Clean the lens whenev er you notice dirt or du ...
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BenQ 9H.JAT77.23E - page 54
Maintenance 54 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 . The method of calculating the equivalent lamp hour is as follows: See "Setting Lamp mode as Economic or Smar tEco" below for mor e information on Econ ...
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BenQ 9H.JAT77.23E - page 55
Maintenance 55 Timing of r eplacing the lamp When the Lamp indicat or lights up red or a message a ppears suggesting it is time to replace the lamp , please install a ne w lam p or consult y our dealer . An old lamp ma y cause a malfunction in the pr ojector and in some instances the lam p ma y explode . Go to http://lamp .benq.com for a r eplaceme ...
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BenQ 9H.JAT77.23E - page 56
Maintenance 56 Replacing the lamp • If lamp replacement is performed while the projecto r is suspended upside-down fr om the ceiling, make sure that no one is underneath the lamp socket to a v oid an y possible injury or damage to the human ey es caused by fractured lamp . • T o reduce the risk of electrical shock, always turn the projector off ...
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BenQ 9H.JAT77.23E - page 57
Maintenance 57 10. Restart the projector . Do not turn the power on with the lamp cover r emoved. 5. Lift the handle so that it stands up . Use the handle to slowly pull the lamp out of the projector . • Pulling it too quickly ma y cause the lamp to break and scatter brok en glass in the pr ojector . • Do not place the lamp in locations where w ...
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BenQ 9H.JAT77.23E - page 58
Maintenance 58 Resetting the lamp timer 11. After the startup logo , open the On-Sc r een Display (OSD) menu. Go to the SYSTEM SETU P: Advanced > Lamp Sett ings menu. Pr ess MODE/ENTER . The Lamp Settin gs page displays. Highlight Reset lam p timer . A warning message displa ys asking if you want to reset the lamp timer . Hig hlight Reset and pr ...
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BenQ 9H.JAT77.23E - page 59
Maintenance 59 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 Powe rin g u p Green Off Off Normal operation Orange Flashing Off Off Projector is cooling. Lamp e vents Off Off Orange Flashing The lamp ignition is not lit up. Off Off Red 1. The projector needs 90 ...
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BenQ 9H.JAT77.23E - page 60
Troubleshooting 60 T r oubleshooting The projector does not turn on. No picture Blurr ed image Remote contr ol does not w ork The passw ord is incorr ect Cause Remedy There is n o power fr om the power cabl e . Plug the po wer cord in to the AC inlet on the projector , and plug the pow er cord into t he power outlet. If the power outlet has a switc ...
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BenQ 9H.JAT77.23E - page 61
Specifications 61 Specifications Pr ojector specifications All specifications ar e subject to change without notice. Optical Resolution 1920 x 1080 Display system Single-chip DLP™ system Lens F/Number F = 2.42 to 2.97, f = 20.7 t o 31.05 mm Lamp 310W lamp Electrical Power supply AC100-240V , 3.8A 50-60 Hz (Automati c) Power consumption 390W (Max) ...
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BenQ 9H.JAT77.23E - page 62
Specifications 62 Dimensions 360.1 mm (W) x 119.9 mm (H) x 259 mm (D) 259 119.9 360.1 52.3 Ceiling Mount Installation *Ceiling Mount Screws: M4 (Max. L=25, Min. L=20) Unit: mm ...
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BenQ 9H.JAT77.23E - page 63
Specifications 63 Timing char t Supported timing for PC input Resolution For mat Refresh rate (Hz) H- fr equency (kHz) Pixel Fr equency (MHz) 720 x 400 720 x 400_70 70.087 31.469 28.3221 640 x 480 V GA_60* 59.94 31.469 25.175 V GA_72 72.809 37.861 31.5 V GA_75 75 37.5 31.5 V GA_85 85.008 43.269 36 800 x 600 SV GA_60* 60.317 37.879 40 SV GA_72 72.18 ...
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BenQ 9H.JAT77.23E - page 64
Specifications 64 * Supported timing for 3D signal with Fr ame Sequential, T op-Bottom and Side-by-Side form at. ** Supported timing for 3D signal with Frame Sequential format. *** Supported timing f or 3D signal with T op-Bottom and Side-by-Side format. • The timings showing abov e may not be supported due to EDID file and V GA graphic card limi ...
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BenQ 9H.JAT77.23E - page 65
Specifications 65 Support timing for Video input * Supported timing for 3D signal with Frame Sequential f ormat. Support timing for HDMI (HDCP) input Format Resolution R efresh rate (Hz) H- fr equency (kHz) Pixel Fr equency (MHz) NTSC* - 60 15.73 3.58 P AL - 50 15.63 4.43 SEC AM - 5 0 15.6 3 4.25 or 4. 41 P AL-M - 60 15.73 3.58 P AL-N - 50 15.63 3. ...
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BenQ 9H.JAT77.23E - page 66
Specifications 66 * Supported timing for 3D signal with Fr ame Sequential, T op-Bottom and Side-by-Side form at. ** Supported timing for 3D signal with Frame Sequential format. *** Supported timing f or 3D signal with T op-Bottom and Side-by-Side format. • The timings showing abov e may not be supported due to EDID file and V GA graphic card limi ...
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BenQ 9H.JAT77.23E - page 67
Specifications 67 Support ing timing f or HD MI Video input * Supported timing for 3D signal with Frame Sequential, Frame Packing, T op-Bottom and Side-by-Side format. ** Supported timing for 3D signal with Frame Packing, T op-B ottom and Side-by-Side form at. *** Supported timing f or 3D signal with Frame Sequential f ormat. **** Support e d timin ...
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BenQ 9H.JAT77.23E - page 68
Warranty and Copyright information 68 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 required with an y warranty claim. In the e vent this pr oduct is found to be defective within the war ran ty pe ...
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