NEC VT670 manual

Por table Pr ojector VT670/VT570/VT470/VT47 User ’ s Manual[...]

i Important Information Safety Cautions Precautions Please read this manual carefully bef ore using y our NEC VT670/VT570/VT470/VT47 Projector and k eep the manual handy f or future ref erence. Y our serial number is located on the bottom of your projector . Record it here: CA UTION To turn off main power , be sure to remove the plug from po wer ou[...]

ii Important Information RF Interference (for USA only) W ARNING The F ederal Communications Commission does not allo w any modifications or changes to the unit EXCEPT those specified by NEC Solutions (America), Inc. in this manual. F ailure to comply with this gov ernment regulation could v oid y our right to operate this equipment. This equipment[...]

iii Important Information Fire and Shock Pr ecautions 1. Ensure that there is sufficient v entilation and that v ents are unobstructed to prev ent the build-up of heat inside y our projector . Allow at least 4 inches (10 cm) of space between y our projector and a w all. 2. Pre vent f oreign objects such as paper clips and bits of paper from falling[...]

iv Lamp Replacement •T o replace the lamp , follo w all instructions provided on page 53 . • Be sure to replace the lamp when the message “The lamp has reached the end of its usab le life. Please replace the lamp. ” appears. If you continue to use the lamp after the lamp has reached the end of its usable lif e, the lamp b ulb ma y shatter ,[...]

v T able of Contents Impor tant Information ......................................................................... i 1. Introduction ...................................................................................... 1  What's in the Box? .................................................................................................[...]

vi T able of Contents 4. Convenient Featur es .................................................................... 33  Tu r ning Off the Image and Sound ............................................................................... 33  F reezing a Picture (VT670/VT470 only) ....................................................................[...]

1  What's in the Box? Make sure y our bo x contains e verything listed. If any pieces are missing, contact your dealer . Please sav e the or iginal box and pac king materials if you e v er need to ship your projector . Z O O M F O C U S SELECT LA M P S TA TUS POW ER V IDE O S-VID EO CO MP UTER- 1 C OM PUT ER-2 O N/ST AND BY AU TO AD J. Proj[...]

2 1. Introduction  Intr oduction to the Pr ojector This section introduces y ou to your ne w VT670/VT570/VT470/VT47 Projector and describes the features and con- trols. Congratulations on Y our Purchase of The VT670/VT570/VT470/VT47 Pr ojector The VT670/VT570/VT470/VT47 is one of the ver y best projectors av ailable today . The VT670/VT570/VT470[...]

3 NOTE: Composite video standards are as follows: NTSC: U.S. TV standard for video in U.S. and Canada. P AL: TV standar d used in Western Europe. P AL-N: TV standar d used in Argentine, Paraguay and Uruguay . P AL-M: TV standard used in Brazil. P AL60: TV standar d used for NTSC playback on P AL TVs. SECAM: TV standard used in France and Eastern Eu[...]

4 1. Introduction  Part Names of the Pr ojector ZOOM F O C U S SEL E CT L A M P S T A T U S P O W E R V ID E O S - V ID E O C O M P U T E R - 1 C O M P U T E R -2 O N / S T A N D B Y A U T O A D J . AC IN ZOOM F OCU S S E LECT LAM P STATUS PO W ER VIDEO S-VIDEO CO MPUTER-1 COM PUTER-2 ON/STAND BY AUTO ADJ. AUDIO OUT S-VIDEO IN COMPUTER 1 IN COMP[...]

5 1. Introduction For VT670 and VT470 only Attaching the supplied carrying handle Y ou can carry the projector by attaching the supplied carr ying handle securely to the projector . To attach the supplied carrying handle, use the supplied flathead screwdriver and two scre ws . Place a soft cloth on the working surf ace before turning the projector [...]

6 1. Introduction T op Features LAMP STATUS POWER VIDEO AUTO ADJ. S-VIDEO COMPUTER-1 COMPUTER-2 AUTO ADJ. COMPUTER ON/STAND BY SELECT 12 13 10 2 3 4 11 15 6 7 7 8 9 8 1. PO WER Button (ON / ST AND BY) ( ) Use this button to turn the pow er on and off when the main power is supplied and the projector is in standb y mode. To tur n on the projector , [...]

7 1. Introduction AUDIO OUT AUDIO S-VIDEO IN COMPUTER 2 IN VIDEO IN COMPUTER 1 IN MONITOR OUT PC CONTROL L/MONO R AUDIO L/MONO R AUDIO AUDIO S-VIDEO IN VIDEO IN COMPUTER IN MONITOR OUT PC CONTROL L/MONO R AUDIO 4 1 32 5 4 1 3 2 5 Te r minal Panel Features 1. COMPUTER 1 and 2 IN / Component Input Connector (Mini D-Sub 15 Pin) (One COMPUTER port on V[...]

8 1. Introduction  Part Names of the Remote Contr ol NOTE: If you are using a Macintosh computer , you can click either the MOUSE R-CLICK or MOUSE L-CLICK button to activate the mouse. 1. Infrared T ransmitter Direct the remote control to ward the remote sensor on the projector cabinet. 2. PO WER ON Button When the main pow er is on, you can use[...]

9 16. A UTO ADJ . Button Use this button to adjust an RGB source f or an opti- mal picture. See page 31 . 17. V OLUME (+)(–) Button Press (+) to increase the v olume and (–) to decrease it. 18. ASPECT Button Press this b utton once to display the Aspect Ratio select menu. K eep pressing will change aspect ratios . See page 42 . 19. PICTURE Butt[...]

10 1. Introduction 30 ° 30 ° 30 ° 30 ° Remote Control Pr ecautions • Handle the remote control carefully . • If the remote control gets wet, wipe it dr y immediately . •A v oid excessiv e heat and humidity . • If you will not be using the remote control f or a long time, remov e the batteries. • Do not place the batter ies upside down[...]

11 1. Introduction SOURCE PIC-MUTE POWER ASPECT SELECT 3 6 4 2 1 8 7 5 9 For VT570/VT47 1. Infrared T ransmitter Direct the remote control to ward the remote sensor on the projector cabinet. 2. MENU Button Displa ys the menu f or v arious settings and adjust- ments. 3. SELECT 왖왔왗왘 / V olume Buttons 왖왔 : Use these b uttons to select the [...]

12 1. Introduction CR2025 CR2025 30 ° 30 ° 30 ° 30 ° Remote Control Pr ecautions • Handle the remote control carefully . • If the remote control gets wet, wipe it dr y immediately . •A v oid excessiv e heat and humidity . • If you will not be using the remote control f or a long time, remov e the batter y . • Do not place the batter y[...]

13 This section describes how to set up y our projector and how to connect video and audio sources . 2. Installation and Connections  Setting Up the Scr een and the Pr ojector Selecting a Location (VT670/VT570/VT470) The fur ther your projector is from the screen or w all, the larger the image. The minim um size the image can be is appro ximatel[...]

14 2. Installation and Connections Selecting a Location (VT47) The fur ther your projector is from the screen or w all, the larger the image. The minim um size the image can be is appro ximately 25" (0.64 m) measured diagonally when the projector is roughly 23 inches (0.6 m) from the wall or screen. The largest the image can be is 300" (7[...]

15 2. Installation and Connections Lens Center Throw Angle ( 움 ) Throw Distance (C) Screen center Screen Diagonal Screen Width Screen Height Screen Bottom (B) (D) A C I N Throw Distance and Scr een Size The f ollowing sho ws the proper relative positions of the projector and screen. Refer to the tab le to deter mine the position of installation. [...]

16 2. Installation and Connections W ARNING * Installing y our projector on the ceiling must be done by a qualified technician. Contact your NEC dealer f or more inf ormation. * Do not attempt to install the projector yourself . • Only use your projector on a solid, le vel surf ace. If the projector f alls to the ground, y ou can be injured and t[...]

17 2. Installation and Connections  Making Connections NOTE: When using with a notebook PC, be sure to connect between the projector and the notebook PC before turning on the power to the notebook PC. In most cases signal cannot be output from RGB output unless the notebook PC is turned on after connecting with the projector . * If the screen go[...]

18 NOTE: The projector is not compatible with video decoded outputs of either the NEC ISS-6020 and ISS-6010 switchers. NOTE: An image may not be displayed correctly when a Video or S-Video source is played back via a commer cially available scan converter . This is because the projector will process a video signal as a computer signal at the defaul[...]

19 2. Installation and Connections Connecting an External Monitor MONITOR OUT AUDIO AC IN AUDIO OUT MONITOR OUT PC CONTROL AUDIO S-VIDEO IN COMPUTER 2 IN VIDEO IN COMPUTER 1 IN AUDIO L/MONO R AUDIO L/MONO R MONITOR OUT Y ou can connect a separate, e xter nal monitor to your projector to simultaneously vie w on a monitor the RGB analog image you&apo[...]

20 AUDIO IN LR AUDIO OUT L R Component YC b C r AC IN AUDIO OUT MONITOR OUT PC CONTROL AUDIO S-VIDEO IN COMPUTER 2 IN VIDEO IN COMPUTER 1 IN AUDIO L/MONO R AUDIO L/MONO R COMPUTER 1 IN AUDIO AUDIO S-VIDEO IN VIDEO IN COMPUTER IN MONITOR OUT PC CONTROL L/MONO R COMPUTER IN AUDIO 2. Installation and Connections Y ou can connect your projector to a D [...]

21 2. Installation and Connections AUDIO IN LR AUDIO OUT L R VIDEO OUT S-VIDEO VIDEO AC IN AUDIO OUT MONITOR OUT PC CONTROL AUDIO S-VIDEO IN COMPUTER 2 IN VIDEO IN COMPUTER 1 IN AUDIO L/MONO R AUDIO L/MONO R S-VIDEO IN VIDEO IN AUDIO AUDIO Connecting Y our VCR or Laser Disc Player S-Video cab le (not supplied) Video cable (not supplied) VCR/ Laser [...]

22 2. Installation and Connections A C IN ZOOM F O CU S SE LECT L A M P S TA T U S P O W E R V ID E O S -V ID E OC O M P U TE R -1 C O M P U T E R -2 O N / S T A N D B Y AUT O ADJ. AUDIO OUT S-VIDEO IN COMPUTER 1 IN COMPUTER OUT PC CONTROL AUDIO AUDIO COMPUTER 2 IN VIDEO IN AUDIO L/MO NO R AUDIO L/MONO R Connecting the Supplied Power Cable Connect [...]

23 3. Pr ojecting an Image (Basic Operation) This section describes how to turn on the projector and to project a picture onto the screen.  T ur ning on the Projector NOTE: • The projector has two power switches: a main power switch and a POWER (ON/ST AND BY) button (POWER ON and OFF on the remote control of VT670/VT470 and POWER on the remote[...]

24 3. Projecting an Image (Basic Operation) Note on Startup scr een (Menu Language Select screen) When you first turn on the projector , you will get the Star tup menu. This menu giv es you the opportunity to select one of the 8 menu languages . To select a menu language, f ollow these steps: 1. Use the SELECT 왖 or 왔 button to select one of the[...]

25 3. Projecting an Image (Basic Operation)  Selecting a Sour ce Selecting the computer or video source VIDEO S-VIDEO COMPUTER-1 COMPUTER-2 LAMP STATUS POWER AUTO ADJ. ON/STAND BY SELECT VOLUME L-CLICK MOUSE R-CLICK AUTO ADJ. ASPECT HELP FREEZE PICTURE S-VIDEO VIDEO COMPUTER 1 2 NOTE: T urn on the computer or VCR connected to the projector . Usi[...]

26 3. Projecting an Image (Basic Operation) Detecting the Signal A utomatically Press and hold the SOURCE button f or a minimum of 1 second, the projector will search f or the ne xt av ailab le input source. Each time you press and hold the SOURCE button f or a minimum of 1 second, the source will change as f ollows: VT570 Computer 1 → Computer 2[...]

27 3. Projecting an Image (Basic Operation) Place your projector on a flat le vel surf ace and ensure that the projector is square to the screen. Lift the front edge of the projector to center the image v er tically . * If the projected image does not appear square to the screen then use the Ke ystone feature f or proper adjustment. See page 29 . ?[...]

28 3. Projecting an Image (Basic Operation) A C I N Z O O M F O C U S ZOO M F O C U S F O C U S ZOOM A C I N Z O O M F O C U S F O C U S Focus Use the FOCUS ring to obtain the best focus . Zoom VT670/VT570/VT470 Use the ZOOM le ver to finely adjust the image siz e on the screen. VT47 Use the Digital ZOOM button on the projector cabinet to electroni[...]

29  Corr ecting Keystone Distortion Auto Keystone Correction The A uto K e ystone correction feature will correct the v er tical distor tion of a projected image on the screen. No special operation required. Just put the projector on a flat surf ace . Note that the v er tical keystone angle can be corrected betw een 30 degrees upward and 30 deg [...]

30 3. Projecting an Image (Basic Operation) 5. Press the MENU button to c lose the menu. NOTE: Y ou can save the changes using the Keystone Save feature when you turn off the projector . See page 42 .[...]

31 3. Projecting an Image (Basic Operation)  Optimizing RGB Pictur e Automatically Adjusting the Image Using Auto Adjust Optimizing an RGB image automatically . Press the A uto Adjust button to optimiz e an RGB image automatically . [P oor picture] [Nor mal picture] VIDEO AUTO ADJ. S-VIDEO COMPUTER-1 COMPUTER-2 VOLUME S-VIDEO VIDEO L-CLICK MOUSE[...]

32  T ur ning of f the Projector To turn off the projector: 3. Projecting an Image (Basic Operation) LAMP STATUS POWER VIDEO AUTO ADJ. S-VIDEO COMPUTER-1 COMPUTER-2 ON/STAND BY SELECT POWER SOURCE PIC-MUTE ASPECT SELECT L-CLICK ENTER EXIT MENU UP MAGNIFY PAGE OFF POWER ON PIC-MUTE DOWN R-CLICK First, press the PO WER (ON/ST AND BY) button on the[...]

33 4. Convenient Featur es 쐃 T ur ning of f the Image and Sound Press the PIC-MUTE button to turn off the image and sound f or a shor t period of time. Press again to restore the image and sound. ENTER EXIT MENU UP MAGNIFY PAGE OFF POWER ON PIC-MUTE DOWN SOURCE PIC-MUTE SELECT 쐇 Fr eezing a Pictur e (VT670/VT470 only) Press the FREEZE button to[...]

34 4. Convenient Features  Using Remote Mouse Receiver (VT670/VT470 only) The remote mouse receiv er enables y ou to operate y our computer’ s mouse functions from the remote control. It is a g reat con venience f or clicking through your computer-gener ated presentations. Connecting the remote mouse r eceiver to your computer If you wish to u[...]

35  Using the Menus NOTE: The on-screen menu may not be displayed correctly while interlaced motion video image is projected. 1. Press the MENU b utton on the remote control or pr ojector cabinet to display the Men u. 5. Using On-Scr een Menu ENTER EXIT UP MAGNIFY PAGE OFF POWER ON PIC-MUTE DOWN MENU SOURCE PIC-MUTE SELECT 2. Press the SELECT ?[...]

36 5. Using On-Screen Menu 4. Use the SELECT 왖왔 buttons on the remote contr ol or the projector cabinet to select the item you want to adjust or set. ENTER EXIT MENU UP MAGNIFY PAGE OFF POWER ON PIC-MUTE DOWN SOURCE PIC-MUTE SELECT 5. Adjust the level or turn the selected item on or off b y using SELECT 왗 or 왘 buttons on the remote contr ol[...]

37 5. Using On-Screen Menu 쐇 Menu Elements Highlight Title Slide bar Off Timer remaining time Source Radio button Solid triangle Check mark Ta b Thermometer symbol Ke y symbol Menu windo ws or dialog bo x es typically have the f ollowing elements: T itle .......................................... Indicates the menu title. Highlight ..............[...]

38 쐋 List of Menu Items 5. Using On-Screen Menu Picture W all Color Off , Blackboard, Light yello w , Light green, Light blue , Sky blue, Light rose , Pink Picture Management Presentation, Video , Mo vie, Graphic , sRGB User Base Setting Presentation, Video, Movie , Graphic, sRGB Gamma Correction Dynamic, Blac k Detail, Natural Brightness R,G,B C[...]

39 5. Using On-Screen Menu NOTE: Some menu items are not available depending on the input source. Default F actory Default Current Signal All Data Clear Filter Usage Clear Lamp Hour Meter Inf or mation P age1 Remaining Lamp Time, Lamp Hour Meter , Filter Usage, Projector Usage, BIOS V ersion, Firmware V ersion, Data V ersion P age2 Source Inde x, H[...]

40 5. Using On-Screen Menu 쐏 Menu Descriptions & Functions [Pictur e] Using the W all Color Correction [W all Color] This function allows f or quick adaptive color correction in applications where the screen material is not white . The f ollowing eight options are a vailab le . • OFF • Blackboard • Light y ellow • Light green • Ligh[...]

41 5. Using On-Screen Menu NOTE: When “sRGB”, “Graphic”, “Video” or “Movie” is selected, the brightness decreases slightly when compared to “Presenta- tion”. This is not a malfunction. User Adjust (when using User) When selecting user adjustable presetting (User), the submen u will be displa yed. Y ou can customize each gamma or[...]

42 5. Using On-Screen Menu 쐄 Menu Descriptions & Functions [Image] Enabling Auto Keystone [Auto Keystone] This feature allo ws the projector to detect its tilt and correct ver tical distor tion automatically . To turn on the Auto K e ystone feature , select “On”. Correcting V ertical Keystone Distortion Manually [Keystone] Y ou can correc[...]

43 5. Using On-Screen Menu Adjusting the V ertical Position of Image [Cinema Position] (for Cinema only) This f eature adjusts the v er tical position of the image when viewing video with Cinema aspect ratio selected. When “Cinema” is selected in “Aspect Ratio”, the image is displa y ed with blac k borders on the top and bottom. Y ou can ad[...]

44 5. Using On-Screen Menu Selecting Menu Language [Language] Y ou can choose one of 21 languages for on-screen instructions. Selecting Menu Color [Menu Color Select] Y ou can choose between two color modes f or men u color : color and monochrome. Selecting Menu Display Time [Menu Display Time] This option allows y ou to select how long the project[...]

45 5. Using On-Screen Menu 쐆 Menu Descriptions & Functions [Advanced] Security A ke yword can be set f or your projector to av oid operation b y an unauthorized user using the Menu. When a k eyw ord is set, turning on the projector will display the K eyword input screen. Unless the correct ke yword is entered, the projector cannot project an [...]

46 5. Using On-Screen Menu 3. T ype in the same combination of SELECT b uttons 왖왔왗왘 and press the ENTER b utton. The confirmation screen will be display ed. 4. Select “Y es” and press the ENTER button. The Security function has been enabled. To disable the Security function: 1. Select [Advanced] → [Security] and press the 왘 button t[...]

47 5. Using On-Screen Menu Disabling the Cabinet Buttons [Cabinet Button Lock] This option turns on or off the Cabinet Button Lock function. NOTE: • This Cabinet Button Lock does not affect the remote control and the PC Control functions. • When the cabinet buttons are unlocked, pressing and holding the EXIT button for about 10 seconds will cha[...]

48 5. Using On-Screen Menu (Adv anced P age 2) Enabling Power Management [Power Management] When this option is on and there is no input f or five min utes or more, the projector will automatically turn itself off . Tu r ning On Noise Reduction [Noise Reduction] (not a vailable f or Video and S-Video signals) Reduces video noise. Select “On” to[...]

49 5. Using On-Screen Menu [Phase] (av ailab le for RGB and HDTV signals only) Use this item to adjust the clock phase or to reduce video noise , dot interference or cross talk. (This is evident when par t of your image appears to be shimmering.) Use “Phase” only after the “Clock” is complete. This adjustment is made automatically when the [...]

50 5. Using On-Screen Menu 쐎 Menu Descriptions & Functions [Default] Returning to Factor y Default [Factory Default] The F actor y Default f eature allows y ou to change adjustments and setting to the f actory preset. [Current Signal] Resets the adjustments f or the current signal to the f actor y preset le vels . The items that can be reset [...]

51 6. Maintenance Z O O M F O CU S S E L E C T L A M P S T A T U S P O W E R V ID E O S -V ID E O C O M P U T E R -1 C O M P U T E R -2 O N /S T A N D B Y A U T O A D J . This section describes the simple maintenance procedures you should f ollo w to clean the filter and replace the lamp .  Cleaning or Replacing the Filter The air-filter sponge [...]

52 6. Maintenance 3. Reinstall the new filter co ver . NOTE: Do not wash the filter with soap and water . Soap and water will damage the filter membrane. Before replacing the filter , remove dust and dirt from the projector cabinet. Keep out dust and dirt during filter replacement. NOTE: When you replace the lamp, it is also wise to replace the fil[...]

53 쐋 Replacing the Lamp After your lamp has been oper ating f or 2000 hours (up to 3000 hours in Eco mode) or longer , the LAMP indicator in the cabinet will b link red and the message “The lamp has reached the end of its usable life. Please replace the lamp. ” will appear . Ev en though the lamp may still be w orking, replace it at 2000 (up [...]

54 3. Loosen the two scre ws securing the lamp housing until the phillips scre wdriver goes into a freewheeling condition. The two scre ws are not remov able . Remove the lamp housing b y holding it. 6. Maintenance NOTE: There is an interlock on this case to prevent the risk of electrical shock. Do not attempt to cir cumvent this interlock. 4. Inse[...]

55 6. Maintenance 6. Finally , select the men u → [Default] → [Clear Lamp Hour Meter] to reset the lamp usage hours. NOTE: When the lamp exceeds 2100 hours (up to 3100 hours in Eco mode) of service, the projector cannot turn on and the menu is not displayed. If this happens, do the following while in standby condition to clear values for the Re[...]

56 7. Appendix  T r oubleshooting This section helps you resolv e problems you ma y encounter while setting up or using the projector. Indicator Messages Power Indicator Indicator Condition Projector Condition Note Off Blinking light Steady light Green Orange Green Orange 0.5 sec On, 0.5 sec Off 2.5 sec On, 0.5 sec Off 0.5 sec On, 0.5 sec Off Th[...]

57 7. Appendix Common Problems & Solutions (See also "P ower/Status/Lamp Indicator" on page 56 .) Does not turn on Will turn off No picture Picture suddenly becomes dark Color tone or hue is unusual Image isn’t square to the screen Picture is blurred Image is scrolling vertically , horizontally or both Remote control does not work I[...]

58 7. Appendix If there is no picture, or the picture is not displa yed correctl y . • Power on process for the projector and the PC. Be sure to connect the RGB cab le between the projector and the computer bef ore turning on the computer . There are some notebook PCs, which do not output signal unless there is a projector or monitor connected fi[...]

59 7. Appendix  Specifications This section provides technical inf or mation about the VT670/VT570/VT470/VT47 Projector's perf or mance. Model Number VT670/VT570/VT470/VT47 Optical LCD P anel 0.7" p-Si TFT active-matrix (with Micro Lens Arra y on VT670 only) Resolution VT670/VT570: 1024 ⳯ 768 pixels* nativ e , up to UXGA with Advance[...]

60 7. Appendix Po wer Requirement 100 - 240V A C, 50 / 60 Hz Input Current VT670/VT470: 2.7 - 1.4A (100 - 240V A C) VT570/VT47: 2.1 - 1.2A (100 - 240V A C) Po wer Consumption VT670/VT470: 8W in Standb y mode / 250W in Lamp Nor mal mode / 200W in Lamp Eco mode VT570/VT47: 8W in Standb y mode / 190W in Lamp Nor mal mode / 155W in Lamp Eco mode Mechan[...]

61 7. Appendix  Cabinet Dimensions LAMP STATUS POWER VIDEO AUTO ADJ. S-VIDEO COMPUTER-1 COMPUTER-2 ON/STAND BY ZOOM FOCUS SELECT AC IN AUDIO OUT AUDIO S-VIDEO IN COMPUTER 2 IN VIDEO IN COMPUTER 1 IN MONITOR OUT PC CONTROL L/MONO R AUDIO L/MONO R AUDIO 112.5 (4.4) 260 (10.2) 20.3 (0.8) 64.6 (2.5) 294 (11.6) 71.5 (2.8) Lens center Lens center Unit[...]

62 LAMP STATUS POWER VIDEO S-VIDEO COMPUTER ON/STAND BY ZOOM FOCUS SELECT AC IN 112.5 (4.4) 260 (10.2) 20.3 (0.8) 64.6 (2.5) 294 (11.6) 71.5 (2.8) ZOOM AUDIO S-VIDEO IN VIDEO IN COMPUTER IN MONITOR OUT PC CONTROL L/MONO R AUTO ADJ. AUDIO Lens center Lens center Unit: mm (inch) VT47 7. Appendix[...]

63 Mini D-Sub 15 Pin Connector  Pin Assignments of D-Sub COMPUTER Input Connector Signal Level Video signal : 0.7Vp-p (Analog) Sync signal : TTL le vel 51 42 3 10 11 12 13 14 15 6 97 8 7. Appendix * Only COMPUTER 1 input connector suppor ted on VT670/VT570/VT470. Pin No. RGB Signal (Analog) YCbCr Signal 1 Red Cr 2 Green or Sync on Green Y 3 Blue[...]

64 7. Appendix  Compatible Input Signal List Signal Resolution F requency H. Refresh Rate ( Dots ) ( kHz ) ( Hz ) NTSC – 15.734 60 PA L– 15.625 50 P AL60 – 15.734 60 SECAM – 15.625 50 VESA 640 ⳯ 480 31.47 59.94 IBM 640 ⳯ 480 31.47 60 MAC 640 ⳯ 480 31.47 60 MAC 640 ⳯ 480 34.97 66.67 MAC 640 ⳯ 480 35 66.67 VESA 640 ⳯ 480 37.86 [...]

65 7. Appendix  PC Contr ol Codes and Cable Connection PC Contr ol Codes (VT670/VT570/VT470) Function Code Data POWER ON 02H 00H 00H 00H 00H 02H POWER OFF 02H 01H 00H 00H 00H 03H INPUT SELECT COMPUTER 1 02H 03H 00H 00H 02H 01H 01H 09H INPUT SELECT COMPUTER 2 02H 03H 00H 00H 02H 01H 02H 0AH INPUT SELECT VIDEO 02H 03H 00H 00H 02H 01H 06H 0EH INPUT[...]

66 7. Appendix 1 2 54 3 6 7 8 To RxD of PC PC Contr ol Connector (DIN-8P) To TxD of PC To GND of PC NOTE: Pins 2, 3, 5, 6 and 8 are used inside the projector .[...]

67 7. Appendix 쐆 Optional Pr esentation Remote Contr ol Kit (PR52KIT) Part Names and Functions of the Remote Contr ol 1. Infrared T ransmitter/Laser P ointer Tr ansmits an infrared signal when an y button other than LASER is pressed. Direct the remote control tow ard the remote sensor on the projector cabinet. Beams a laser light when the Laser b[...]

68 7. Appendix 8. POINTER Button Not av ailable on this model. 9. P A GE UP/DO WN Buttons* Use these buttons to oper ate y our computer with the supplied remote mouse receiver . Y ou can use these b uttons to scroll the vie wing area of the window or to mov e to the previous or ne xt slide in P owerP oint on y our computer . 10. MENU Button Displa [...]

69 7. Appendix 30 ° 30 ° 30 ° 30 ° Battery Installation 1 Remov e the battery cover . NOTE: Do not pull the battery cover by force. Doing so can result in it coming off. 2 Remov e both old batteries and install new ones (AAA). Ensure that you ha ve the batteries' po- larity (+/ –) aligned correctly . 3 Slip the cov er bac k ov er the bat[...]

70 7. Appendix Using the Laser Pointer Y ou can use the laser to draw y our audience's attention to a red dot that you can place on an y object. CA UTION: • Do not look into the laser pointer while it is on. • Do not point the laser beam at a person. • Do not allow c hildren to use the laser pointer . Press and hold the LASER button to a[...]

71 No image is displayed from your PC or video equipment to the projector . Still no image even though you connect the projector to the PC first, then start the PC. Enabling your notebook PC’ s signal output to the projector . •A combination of function keys will enable/disable the ex- ternal display . Usually , the combination of the “Fn” [...]

72 7. Appendix In the space below please describe your problem in detail. Information on application and environment where your projector is used Pr ojector Model number: Serial No.: Date of pur chase: Lamp operating time (hours): Lamp Mode: 䡺 Normal 䡺 Eco Information on input signal: Horizontal synch frequency [ ] kHz Ve rtical synch frequency[...]

73 7. Appendix 쐎 T ravelCar e Guide T ravelCare - a service for international travelers This product is eligible f or "T rav elCare", NEC's unique international war- r anty . Please note that T rav elCare cov erage diff ers in par t from cov erage un- der the warr anty included with the product. Services offer ed with T ravelCare T[...]

74 7. Appendix Lenso Communication Co ., Ltd. Address: 292 Lenso House 4, 1st Floor , Srinakarin Road, Huamark, Bangkapi, Bangkok 10240, Thailand T elephone: +66 2 375 2425 F ax Line: +66 2 375 2434 Email Address: pattara@lenso .com WEB Address: http://www .lenso .com (Regions Cov ered) Thailand ABBA Electronics L.L.C. Address: T ariq Bin Ziyad Roa[...]

75 7. Appendix TO : NEC or NEC's Authorized Service Station: FM: (Company & Name with signature) Dear Sir (s), I would lik e to apply your T rav elCare Ser vice Program based on attached registr ation and qualification sheet and agree with y our f ollowing conditions, and also the Service fee will be charged to m y credit card account, if [...]

76 7. Appendix 5. Loan Service Charges and Conditions: Upon acceptance of this NEC Projector , Customer agrees to assume liability for this loan unit. The current cost of use of this loan unit is $200.00 USD f or 12 calendar days. If Customer does not return the unit within the 12 calendar days, Cus- tomer will be charged the next highest cost up t[...]