Instruction/ maintenance manual of the product VT770 NEC
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Por table Pr ojector VT770 User ’ s Manual.
2 Important Information Safety Cautions Precautions Please read this manual carefully bef ore using y our NEC VT770 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 outlet.
3 Important Information RF Interference W ARNING The F ederal Communications Commission does not allo w any modifications or changes to the unit EXCEPT those specified by NEC Soluctions (America), Inc. in this manual. Failure to comply with this go v ernment regulation could v oid y our right to operate this equipment.
4 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 wall.
5 Lamp Replacement •T o replace the lamp , follo w all instructions provided on page 109 . • Be sure to replace the lamp when the message “The lamp has reached the end of its usable life.
6 T able of Contents Impor tant Information ........................................................................ 2 1. Introduction ...................................................................................... 8 What's in the Box? .
7 T able of Contents 쐈 Storing Images Display ed on the Projector on the PC card or USB Memory (Capture) .......... 48 쐉 Pre venting the Unauthoriz ed Use of the Projector ..................................................... 49 씈 Using a USB Memor y De vice or USB Memory Card Reader .
1 Introduction What's in the Box? ....................................................... 9 Introduction to the Projector ...................................... 10 P ar t Names of the Projector ...................................... 12 Carr ying the Projector .
9 1. Introduction 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 original box and pac king mater ials if you e v er need to ship your VT770 Projector .
10 1. Introduction Intr oduction to the Pr ojector This section introduces y ou to the VT770 Projector and describes ke y f eatures and controls. Congratulations on Y our Purchase of the VT770 Pr ojector The VT770 is a sophisticated three panel LCD XGA projector that produces an enhanced display in less than an 8- pound (4kg) design.
11 • NEC’ s e xclusiv e Adv anced AccuBlend intelligent pix el blending technology pro vides for e xtremely accurate image compression and HDTV (1920x1080 and 1280x720) displa y resolution*.
12 1. Introduction Part Names of the Pr ojector Z O O M F O C U S 3D REFORM SOURCE SELECT STATUS LAMP PC CAR D POWER O N / S T A N D B Y AU T O A D JU S T M E N U E N T E R C A N C E L Controls (S.
13 1. Introduction Carrying the Projector Alwa ys carry your projector b y the handle. Ensure that the pow er cable and an y other cables con- necting to video sources are disconnected bef ore mov- ing the projector . When moving the projector or when it is not in use , cov er the lens with the lens cap .
14 1. Introduction T op Features SELECT 3D REFORM SOURCE STATUS LAMP PC CARD POWER ON/STAND BY AUTO ADJUST M E N U E N T E R C A N C E L 3 2 4 1 7 10 12 11 5 8 9 6 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.
15 1. Introduction COMPONENT Y Cb/Pb Cr/Pr AUDIO AUDIO AUDIO AUDIO L/MONO S-VIDEO COMPUTER 1 AUDIO PC CARD USB(COMPUTER) USB(MOUSE) MONITOR OUT COMPUTER 2 PC CONTROL R L/MONO VIDEO R 1 34 5 2 Te r minal Panel Features 1.
16 1. Introduction Te r minal Panel Features COMPONENT Y Cb/Pb Cr/Pr AUDIO AUDIO AUDIO AUDIO L/MONO S-VIDEO COMPUTER 1 AUDIO PC CARD USB(COMPUTER) USB(MOUSE) MONITOR OUT COMPUTER 2 PC CONTROL R L/MONO VIDEO R 7 8 10 6 9 11 6. S-VIDEO Input Connector (Mini DIN 4 Pin) Here is where you connect the S-Video input from an e xternal source like a VCR.
17 1. Introduction Part Names of the Remote Contr ol NOTE: If you are using a Macintosh computer , you can click either the CANCEL (right-click) or ENTER (left-click) button to activate the mouse. 1. Infrared T ransmitter Direct the remote control to ward the remote sensor on the projector cabinet.
18 15. PJ Button Press this button to s witch the SELECT , CANCEL, and ENTER b uttons between the Projector mode (lit red) and the Computer mode. Press this button or an y one of the PO WER ON/OFF , MENU , 3D REFORM, ASPECT , POINTER, HELP , MA GNIFY , VIEWER or PICTURE b uttons to s witch to the Projector mode and the PJ button lights red.
19 1. Introduction 30 ° 30 ° 30 ° 30 ° Note on Remote Contr ol Operation If you press and hold the SELECT 왖왔왗왘 b utton while installing ne w batteries, the remote control ma y f ail to work properly . Should this happen, remov e the batteries and then install them again without touching the SELECT b utton.
20 2 Installation and Connections Setting Up the Screen and the Projector ................... 21 Selecting a Location ............................................................................................. 21 Throw Distance and Screen Size .
21 This section describes how to set up y our projector and how to connect PCs , video and audio sources. 2. Installation and Connections Setting Up the Scr een and the Pr ojector Selecting a Location The fur ther your projector is from the screen or w all, the larger the image.
22 2. Installation and Connections Lens Center Throw Angle ( 움 ) Throw Distance (C) Screen center Screen Diagonal Screen Width Screen Height Screen Bottom (B) (D) W ARNING * Installing y our projector on the ceiling must be done by a qualified technician.
23 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 .
24 NOTE: The VT770 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 .
25 2. Installation and Connections Connecting an External Monitor AC IN COMPONENT Y Cb/Pb Cr/Pr AUDIO AUDIO AUDIO L/MONO S-VIDEO PC CARD USB(COMPUTER) USB(MOUSE) COMPUTER 2 PC CONTROL R L/MONO VIDEO R.
26 AUDIO IN LR AUDIO OUT L R Component YC b C r AC IN AUDIO AUDIO S-VIDEO COMPUTER 1 AUDIO PC CARD USB(COMPUTER) USB(MOUSE) MONITOR OUT COMPUTER 2 PC CONTROL L/MONO VIDEO R COMPONENT YC b/Pb Cr/Pr AUDIO AUDIO L/MONO R COMPONENT AUDIO 2.
27 2. Installation and Connections AC IN COMPONENT YC b / Pb Cr/Pr AUDIO AUDIO AUDIO AUDIO L/MONO S-VIDEO COMPUTER 1 AUDIO PC CARD USB(COMPUTER) USB(MOUSE) MONITOR OUT COMPUTER 2 PC CONTROL R L/MONO V.
28 2. Installation and Connections A C IN COMPONENT Y Cb/Pb Cr/Pr AUDIO AUDIO AUDIO S-VIDEO COMPUTER 1 AUDIO PC CARD U S B (C O M PU TER) US B(M O U SE) MONITOR OUT COMPUTER 2 PC CONTROL L/MONO VIDEO .
29 3 Projecting an Image (Basic Operation) Tu r ning on the Projector ............................................. 30 Selecting a Source .................................................... 32 Adjusting the Picture Siz e and P osition ...
30 3. Projecting an Image (Basic Operation) This section describes how to turn on the projector and to project a picture onto the screen. T urning 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).
31 3. Projecting an Image (Basic Operation) Note on Startup scr een (Menu Language Select screen) When you first turn on the projector , y ou will get the Star tup screen. This screen gives y ou the oppor tunity to select one of the 19 menu languages.
32 3. Projecting an Image (Basic Operation) Selecting a Sour ce Selecting the computer or video source 3D REFORM SOURCE SELECT STATUS LAMP PC CARD POWER ON/STAND BY AUTO ADJUST M E N U E N T E R C A N C E L M E N U E N T E R C A N C E L PJ OFF AUTO ADJ.
33 3. Projecting an Image (Basic Operation) Place your projector on a flat le v el 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.
34 3. Projecting an Image (Basic Operation) ZOOM F O C U S Z O O M FO CU S Zoom Use the ZOOM le v er to finely adjust the image size on the screen. Y ou can use the ZOOM le ver to enlarge or reduce an image siz e. Focus Use the FOCUS ring to obtain the best focus .
35 Corr ecting Keystone Distortion Auto Keystone Correction The A uto K eystone correction f eature will correct ver tical distor tion of a projected image on the screen. No special operation required. Just put the projector on a flat surf ace . Manual Keystone Correction Y ou can also correct ke ystone distor tion manually .
36 5. Repeat steps 3 and 4 to correct keystone distortion. 6. After completing Ke ystone correction, press the ENTER b utton. The K eystone screen will disappear . • T o perform K eystone correction again, press the 3D REFORM b utton to displa y the K e ystone screen and repeat abov e steps 1 to 6.
37 3. Projecting an Image (Basic Operation) Optimizing RGB Pictur e Automatically Adjusting the Image Using Auto Adjust Optimizing an RGB image automatically .
38 T urning off the Pr ojector To turn off the projector: 3. Projecting an Image (Basic Operation) 3D REFORM SOURCE SELECT STATUS LAMP PC CARD POWER ON/STAND BY AUTO ADJUST M E N U E N T E R C A N C E L M E N U E N T E R C A N C E L OFF 12 VIDEO S-VIDEO AUTO ADJ.
39 4 Convenient Features Switching Operation Mode betw een Computer and Projector ........................................ 40 Tu r ning Off the Image and Sound .............................. 40 F reezing a Picture .........................
40 PJ M E N U E N T E R C A N C E L SOURCE FREEZE OFF 12 VIDEO S-VIDEO AUTO ADJ. COMPUTER VIEWER COMPONENT ON 3D REFORM ASPECT HELP PICTURE PIC-MUTE POINTER VOLUME MAGNIFY SLIDE SELECT POWER PJ M E N U E N T E R C A N C E L SOURCE FREEZE OFF 12 VIDEO S-VIDEO AUTO ADJ.
41 4. Convenient Features Using the Pointer Press the P ointer b utton to displa y the pointer . Use the Select b utton to move the pointer . SOURCE FREEZE VIEWER 3D REFORM ASPECT HELP PICTURE PIC.
42 Getting the On-line Help Y ou get the contents about Help . Displa y Help Exit Help 4. Convenient Features PJ SOURCE FREEZE VIEWER 3D REFORM ASPECT HELP PICTURE PIC-MUTE POINTER VOLUME MAGNIFY .
43 4. Convenient Features Using the Remote Mouse Function The built-in remote mouse function enab les y ou to operate y our computer's mouse functions from the remote control (Computer mode). It is very conv enient f or clic king through your computer-gener ated presentations.
44 Corr ecting Horizontal and V ertical Keystone Distortion (Cor - nerstone) Use the 3D Reform feature to correct keystone (trapezoidal) distortion to make the top or bottom and the left or right side of the screen longer or shor ter so that the projected image is rectangular .
45 Screen 8. Press the ENTER button. 4. Convenient Features 10 . Press the SELECT 왗 or 왘 button to highlight the [OK] and press the ENTER b utton. This completes the keystone correction. Selecting “Cancel” will return to the adjustment screen without saving changes (Step 3).
46 The adjustable ranges for 3D Ref orm are as f ollows: 4. Convenient Features * The f ollowing are conditions under which the maximum angle is achiv ed: • Image (100") is projected in Wide (Zoom le v er) • Resolution is XGA Higher resolution than XGA narrows the adjustab le range .
47 4. Convenient Features 쐅 Making Fr eehand Drawings on a Pr ojected Image (ChalkBoar d) The ChalkBoard feature allows you to write and draw messages on a projected image.
48 4. Convenient Features 쐈 Storing Images Displayed on the Pr ojector on the PC car d or USB memory (Capture) The Capture f eatures allows y ou to capture an image from a source that is currently being displa yed. The image is sav ed as JPEG in the PC card or USB memory .
49 4. Convenient Features 쐉 Pr eventing the Unauthorized Use of the Pr ojector Assigning a ke yword pre v ents the projector from being used b y unauthorized individuals. Assigning a Keyword for the first time 1. Press the MENU b utton. The menu will be display ed.
50 4. Convenient Features 4. Press the SELECT 왔 button four times to highlight “Security”. 5. Press the ENTER button to displa y the Security screen. 6. Press the ENTER 왔 button once to highlight the K eyw ord entry bo x and press the ENTER b utton.
51 4. Convenient Features 7. Enter an alphanumeric keyword using the Software keyboard For example, to enter “1234”, f ollo w the steps 7-1 to 7-4 below . NOTE: • Please make a note of your keyword. • Do not use spaces (SP) in your keyword. 7-1.
52 Checking If Security is enabled Tu rn off the projector and tur n it back on to chec k if the Security function is enabled. 1. Press and hold the PO WER (ON/ST ANDBY) button f or a minim um of two seconds. The lamp lights off and the POWER indicator flashes or ange.
53 Disabling the Security 1. Press the MENU b utton. The on-screen menu will be displa yed. 2. Press the SELECT 왘 button to highlight “Setup” and press the ENTER button. The page tab “1” will be highlighted. 3. Press the SELECT 왘 button once to highlight the pa ge tab “2”.
54 4. Convenient Features 씈 Using a USB Memory Device or USB Memor y Car d Reader The projector is compatible with either a USB memory device or USB memory card reader which supports the viewer and security features. •T o use a USB memor y de vice or USB memor y card reader , connect the de vice to the USB (MOUSE) por t (type A).
55 5 Using the V iewer Making the Most out of the View er Function .............. 56 Operating the Viewer Function from the Projector ..... 58 쐋 Changing Bac kground Logo .
56 5. Using the V iewer Making the Most out of the V iewer Function Features Y ou can view presentation data, capture and pla y images on the projector . A PC card is used to vie w presentation data prepared on the computer and to capture and pla y images projected with the projector .
57 Inserting and Removing a PC Card NOTE: • Do not try to force the PC card into the slot. •A dummy card is inserted into the PC CARD slot at the time of shipment.
58 5. Using the V iewer Operating the V iewer Function from the Pr ojector (playback) This section describes the operation f or showing slides created using the Viewer function with the projector . It is also possible to mak e slides directly from the images projected with the projector .
59 5. Using the V iewer 0000.jpg 0001.jpg 0002.jpg 3 Files Slot 1 _CAP_ _RESTORE RECYCLED 1/3 0000.jpg 60KB select : ENTER folder : CANCEL ? Highlight .................................. Indicates the selected folder or drive. List of folders .........
60 5. Using the V iewer NOTE: If no memory card is inserted in the PC CARD slot, there is no signal, and a black, blue or logo background is displayed, depending on the setting. Playback is stopped when 왗왘 button on the cabinet or remote control is pressed in Auto Play mode.
61 Switching to Slides Dir ectly from Other Input Modes With this function it is possible to s witch directly to a slide when the picture of a VCR or computer is being projected. Example: When conducting presentations using a combination of slides and mo ving pictures from a VCR, etc.
62 5. Using the V iewer Deleting Captured Images Using the Delete command on the Viewer menu allo ws you to delete captured images . To delete captured images: Preparation: Make sure that the PC card is inser ted into the PC card slot of the projector .
63 5. Using the V iewer This completes deleting. To delete all the captured images: 1. Repeat steps 1 to 3 in the above described pr ocedure. 2. Press the CANCEL button to select the “__CAP__” folder in the directory (pane on the left). 0000.jpg 0001.
64 5. Using the V iewer Changing Backgr ound Logo Y ou can change the def ault backg round logo using the Vie wer f eature. NOTE: File size must be 256KB or less. File formats other than JPEG and BMP are not available. Preparation: Use the Capture f eature to store JPEG or BMP files in a PC card inser ted into the projector’ s slot.
65 6 Using Dynamic Image Utility 2.0 on the supplied CD-ROM End User License Agreement ................................... 66 Introduction ............................................................... 67 Operating En vironment ..........
66 6. Using Dynamic Image Utility 2.0 on the supplied CD-ROM Be sure to read this bef ore installing and using the accompanying softw are. END USER LICENSE AGREEMENT PLEASE READ THIS SOFTWARE LICENSE A GREEMENT ("LICENSE") CAREFULL Y BEFORE INST ALLING THE SOFTW ARE.
67 7. Limitations of Liability In no e vent shall NECVT be responsib le f or any indirect, consequential or special damages or lost profits e ven if NECVT has been advised of the possibility of such damages, and/or f or any claim for compensation or damage b y any third par ty to User .
68 6. Using Dynamic Image Utility 2.0 on the supplied CD-ROM Image Express Utility 1.0 (not available on this model) • Using a network environment, this progr am enab les the screen image displa yed b y the personal computer to be sent to the projector and then projected to a screen.
69 6. Using Dynamic Image Utility 2.0 on the supplied CD-ROM Equipment Connections and Settings When Making Connections with Serial Cable What Can Be Accomplished • Using Dynamic Image Utility 2.0, a picture or slide can be sent to the projector and then projected to a screen.
70 2. Clic k "Please read this first" and read the Readme about Dynamic Image Utility 2.0. 3. Clic k "Installing the Dynamic Image Utility 2.0". The “W elcome” screen will appear . 4. Clic k [Next >] at the "W elcome" screen.
71 6. Using Dynamic Image Utility 2.0 on the supplied CD-ROM Display Help Preparation: Please star t Dynamic Image Utility 2.0. 1. Clic k [Help]. The [Help] menu will appear . 2. Clic k [Help]. The [Help] screen will appear . Exit the Software 1. Clic k [File].
72 6. Using Dynamic Image Utility 2.0 on the supplied CD-ROM T r oubleshooting In this section, the software names ha v e been abbre viated as f ollows: Dynamic Image Utility 2.0 to DIU 2.0 and Viewer PPT Con verter 2.0 to PPTC 2.0. <Prob lem> Installation does not complete normally .
73 7 Using On-Screen Menu Using the Menus ........................................................ 74 Menu tree .................................................................. 75 Menu Elements ...........................................
74 Using the Menus 1. Press the MENU button on the remote control or the projector cabinet to display the menu. The Picture menu will be displayed (factory preset). NOTE: The commands such as 왗왘 , ENTER, CANCEL in the gray bar show available buttons for your operation.
75 Menu tr ee 7. Using On-Screen Menu Menu Item Adjust Picture Brightness Contrast Manual/Auto Color Hue Sharpness Signal T ype RGB, Component Preset 1 to 5 Detail Settings Reference Presentation,.
76 Menu tr ee 7. Using On-Screen Menu Menu Item Setup Page 3 Signal Select Computer1 RGB/Component, RGB, Component Computer2 RGB/Component, RGB, Component, Scart Component Auto, Component, Video Color System Component (Video) Auto, NTSC3.58, NTSC4.
77 Menu Elements Slide bar Solid triangle Highlight Ta b Radio button Check bo x Cancel button OK button Menu windows or dialog boxes typically have the following elements: Highlight ................ Indicates the selected menu or item. Solid triangle .
78 Menu Descriptions & Functions [Adjust] Picture [Brightness] Adjusts the brightness lev el or the bac k raster intensity . [Contrast] Adjusts the intensity of the image according to the incoming signal. Y ou hav e two options: Manual/A uto .
79 [Preset] This option allows y ou to adjust neutral tint f or y ellow , cyan or magenta. There are 5 factory presets optimized f or va rious types of images, you can set user adjustab le settings. Detail Settings This will provide y ou with three pages of menus that pro vide more detailed settings.
80 Using the W all Color Correction [W all Color] [Interf ace to be determined] This function allows f or quick adaptive color correction in applications where the screen material is not white.
81 T urning On/Off 3 Dimension Separation [3D Y/C Separation] This function turns on or off the 3 dimensional separation f eature. When "On" is selected, the f ollowing three options are a v ailable from the pull-do wn list. Still ..........
82 Controlling V olume, Bass and T reble [Sound] Y ou can adjust the volume , bass and treb le lev el of the projector speak ers and A UDIO OUT (Stereo Mini Jack).
83 When screen type 16:9 is selected f or the source, the f ollowing selections will displa y: 4:3 Window ........... Reduced to display the true aspect with black borders on right and left Letter Box .............. Standard 16:9 aspect Wide Screen ..
84 Adjusting Clock and Phase [Pix el Adjust] This allows y ou to manually adjust Cloc k and Phase. Clock Use this item to fine tune the computer image or to remov e an y vertical banding that might appear . This function adjusts the clock frequencies that eliminate the horiz ontal banding in the image.
85 Menu Descriptions & Functions [Setup] Setup [P age1] Selecting Aspect Ratio and P osition for Screen [Screen] Screen T ype Select one of three options: 4:3 Screen or 16:9 Screen for the screen to be used. See also "Aspect Ratio" on pages 82 and 83 .
86 Selecting Projector Orientation [Orientation] This reorients your image f or your type of projection. The options are: desktop front projection, ceiling rear projection, desktop rear projection, and ceiling front projection.
87 Selecting Ke ystone Mode [K eystone] This f eature allows y ou to correct ke ystone distor tion manually or automatically . Selecting this item will displa y the K e ystone setting menu. Auto ...................... This feature allows the projector to detect its tilt and correct vertical distortion automatically .
88 Setup [P age2] Disabling the Cabinet Buttons [Cabinet Button] This option turns on or off the Cabinet Button Lock function. NOTE: • This Cabinet Button Lock does not affect the remote control functions. • When the cabinet buttons are locked, pressing and holding the CANCEL button for about 10 seconds will change the setting to unlock.
89 Setting a P assw or d [P assw ord (Logo)] A pass word can be set f or y our projector to av oid operation b y an unauthorized person. When a pass word is set, doing any one of the f ollowing two operations will displa y the P ass word input screen.
90 Security The Security function enables y ou to protect your projector so that the projector will not project a signal unless y ou enter a ke yword. There is also an option to loc k the projector b y using a registered PC card* as a protect ke y .
91 To register a PC card as a protect ke y . 1. Insert a PC card into the PC card slot of the pr ojector . 2. Use the SELECT 왖왔 button to select "Use Pr otect K ey" and press the ENTER b utton. 3. Use the SELECT 왖왔 button to select "Read" and press the ENTER b utton.
92 To delete PC card data you registered. 1. Use the SELECT 왖왔 button to select "Delete" and use the SELECT 왗 button to select the list windo w . 2. Use the SELECT 왖왔 button to select the PC car d data y ou wish to delete. 3. Press the SELECT 왘 button to select "Delete" and press the ENTER b utton.
93 7. Using On-Screen Menu Selecting Menu Displa y Time [Menu Displa y Time] This option allows y ou to select how long the projector w aits after the last touch of a b utton to turn off the menu. The preset choices are "Manual", "A uto 5 sec", "A uto 15 sec", and "A uto 45 sec".
94 Setup [P age3] Selecting Signal Format [Signal Select] Computer 1/2 Allows y ou to set "Computer 1" and "Computer 2" to automatically detect an incoming RGB or component source such as a computer or D VD play er . How ev er there may be some RGB and component signals that the projector is unable to detect.
95 Setting MONIT OR OUT Connector [OUT T erminal] This option allows y ou to determine which RGB or component source is output from the MONIT OR OUT connector during Idle mode. Last ....................... The signal from the last COMPUTER1 or 2, or COMPONENT input will be output to the MONITOR OUT connector .
96 Selecting Menu Color [Men u Color Select] Y ou can choose between two color modes f or men u color : color and monochrome . Setup [P age4] Enabling P ower Management [P o wer 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 .
97 Enabling P ower Off Confirmation [P o wer Off Confirmation] This option determines whether a confir mation dialog for turning off the projector will appear or not. NOTE: When the confirmation message is displayed, you must be in the Projector mode to operate your projector using the remote control.
98 Enabling Standb y Mode [Standb y Mode] The projector has two standb y modes: Idle mode and P ower-sa ving mode. Po wer-saving mode is the mode that allo ws you to put the projector in the standb y condition which consumes less power than the Idle mode .
99 Setup [P age5] Resetting the Filter Usage Hours [Filter Usa ge] Resets the filter usage back to z ero . Pressing the Clear b utton displa ys a confirmation dialog box. T o reset the filter usage hours, press "OK". Clearing Lamp Hour Meter [Lamp Hour] Resets the lamp clock bac k to zero .
100 Selecting Communication Speed [Comm unication] This f eature sets the baud rate of the PC Control por t (D-Sub 9 Pin). It suppor ts data rates from 4800 to 38400 bps.
101 7. Using On-Screen Menu Selecting the ChalkBoar d [ChalkBoard] This option displa ys the ChalkBoard tool bar . The ChalkBoard f eature allows y ou to write and draw messages on a projected image . NOTE: The ChalkBoard feature is available only when a USB mouse is used.
102 Menu Descriptions & Functions [Information] Displa ys the status of the current signal, the lamp and the projector usage hours. This dialog bo x has f our pages. The inf ormation included are as follows: [P age 1] Source Name Input T er minal Entry No.
103 Menu Descriptions & Functions [Reset] Returning to F actory Default The Reset f eature allows y ou to change adjustments and settings to the f actory preset for sources b y the follo wing methods: Current Signal Resets the adjustments f or the current signal to the f actor y preset le vels .
104 Entry List Displaying the Entry List Press the SOURCE b utton to display the list of the entry signals. Use the SELECT 왖왔 b uttons on your remote control or the projector cabinet to select the signal and press the ENTER b utton on the remote control or the projector cabinet to displa y the Entr y Edit Command screen.
105 7. Using On-Screen Menu Entry Edit Command Y ou can edit signals on the Entry List. Load ...................... Enables you to select a signal from the list. Store ..................... Enables you to store the currently projected signal. Cut ....
106 8 Maintenance Cleaning the Filters ................................................. 107 Cleaning the Cabinet .............................................. 107 Cleaning the Lens ................................................... 108 Replacing the Lamp and Filters .
107 8. Maintenance This section describes the simple maintenance procedures you should f ollo w to clean the filter and replace the lamp . Cleaning the Filters The air-filter sponge k eeps dust and dir t from getting inside the projector and should be cleaned after ev ery 100 hours of operation (more often in dusty conditions).
108 8. Maintenance Cleaning the Lens CA UTION Tu rn off the projector , turn off the main power s witch and unplug the projector bef ore cleaning lens .
109 Replacing the Lamp and Filters 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 blink red and the message will appear .
110 3. Insert a new lamp housing until the lamp housing is plugged into the soc ket. CA UTION Do not use a lamp other than the NEC replacement lamp (VT77LP). Order this from y our NEC dealer . Secure it in place with the two scre ws. Be sure to tighten the screws.
111 Replacing the Filters 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.
112 9 Appendix T roub leshooting ...................................................... 113 Specifications ......................................................... 116 Cabinet Dimensions ............................................... 118 Pin Assignments of D-Sub COMPUTER 1/2 Input Connector .
113 9. Appendix T r oubleshooting This section helps you resolv e prob lems 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.
114 9. Appendix Common Problems & Solutions (See also "P ower/Status/Lamp Indicator" on page 113 .) Does not turn on Will turn off No picture Picture suddenly becomes dark Color tone or .
115 9. 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 .
116 9. Appendix Specifications This section provides technical inf or mation about the VT770 Projector's performance. Model Number VT770 Optical LCD P anel 0.8" p-Si TFT activ e-matrix with Micro Lens Arra y Resolution 1024 768 pix els* nativ e, up to UXGA with Adv anced AccuBlend Lens Manual zoom and f ocus: F1.
117 Mechanical Installation Orientation Desktop/F ront, Desktop/Rear , Ceiling/F ront, Ceiling/Rear Dimensions 13.4" (W) 3.8" (H) 9.6" (D) 340mm (W) 97mm (H) 245mm (D) (not including protrusions) Net W eight 7.9 lbs / 3.
118 9. Appendix Cabinet Dimensions AC IN COMPONENT YC b/Pb Cr/Pr AUDIO AUDIO AUDIO AUDIO L/MONO S-VIDEO COMPUTER 1 AUDIO PC CARD USB(COMPUTER) USB(MOUSE) MONITOR OUT COMPUTER 2 PC CONTROL R L/MONO VIDEO R 3D REFORM SOURCE SELECT STATUS LAMP PC CARD POWER ON/STAND BY AUTO ADJUST M E N U E N T E R C A N C E L ZOOM FOCUS 83 (3.
119 Mini D-Sub 15 Pin Connector Pin Assignments of D-Sub COMPUTER 1/2 Input Connector Pin No. RGB Signal (Analog) 1 Red 2 Green or Sync on Green 3 Blue 4 Ground 5 Ground 6 Red Ground 7 Green Groun.
120 9. 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 MA C 640 480 31.
121 9. Appendix Cable Connection Communication Protocol Baud rate ........................................ 38400 bps Data length ..................................... 8 bits Parity .............................................. No parity Stop bit ....
122 9. Appendix Using Softwar e Keyboard 1 to 0 and Characters .............................. Use to type in password or keyword. MODE .................... Selects one of three modes for alphabet and special characters. SP ........................
123 9. Appendix 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 cover age un- der the warr anty included with the product.
124 In Asia and Middle East NEC Viewtechnology , Ltd. Address: 686-1, Nishioi, Oi-Machi, Ashigarakami-Gun, Kanagaw a 258-0017, Japan T elephone: +81 465 85 2369 F ax Line: +81 465 85 2393 Email Address: suppor t_pjweb@nevt.nec.co .jp WEB Address: http://www .
125 TO : NEC or NEC’ s A uthorized Service Station: FM: (Company & Name with signature) Dear Sir (s), I would lik e to apply your T ravelCare Service Program based on attached registr ation and .
126 Condition of your T ravelCare Service Pr ogram Enduser is requested to understand f ollowing conditions of T ravelCare Service Program and complete the necessary information on the appli- cation sheet. 1. Service Options: There are 3 types of "Service" availab le.
An important point after buying a device NEC VT770 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought NEC VT770 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data NEC VT770 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, NEC VT770 you will learn all the available features of the product, as well as information on its operation. The information that you get NEC VT770 will certainly help you make a decision on the purchase.
If you already are a holder of NEC VT770, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime NEC VT770.
However, one of the most important roles played by the user manual is to help in solving problems with NEC VT770. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device NEC VT770 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
