background image

71

6. Using On-Screen Menu

[Brightness]

Adjusts the brightness level or the back raster intensity.

[Contrast]

Adjusts the intensity of the image according to the incoming signal.
You have two options: Manual and Auto.

NOTE: The Auto Contrast function will not work when the on-screen menu or a message is displayed

[Sharpness]

Controls the detail of the image for Video (not valid for RGB and digital signals).

[Color]

Increases or decreases the color saturation level (not valid for RGB and digital signals).

[Hue]

Varies the color level from +/- green to +/-blue. The red level is used as reference. This adjustment is only valid for
Video, Component and TV standard inputs (not valid for RGB and digital signals).

[Reset]

The settings and adjustments for [Picture] will be returned to the factory settings with the exception of the following;
Preset numbers and [Reference] within the [Preset] screen.
The settings and adjustments under [Detail Settings] within the [Preset] screen that are not currently selected will not
be reset.

Summary of Contents for MultiSync LT280

Page 1: ...Portable Projector LT380 LT280 User s Manual ...

Page 2: ...roduct and company names mentioned in this user s manual may be the trademarks or registered trade marks of their respective holders NOTES 1 The contents of this guide may not be reprinted in part or whole without permission 2 The contents of this guide are subject to change without notice 3 Great care has been taken in the preparation of this manual however should you notice any questionable poin...

Page 3: ... UNIT S PLUG WITH AN EXTENSION CORD OR IN AN OUTLET UNLESS ALLTHE PRONGS CAN BE FULLY INSERTED DOC Compliance Notice for Canada only This Class B digital apparatus meets all requirements of the Canadian Interference Causing Equipment Regulations Acoustic Noise Information Ordinance 3 GSGV for Germany only The sound pressure level is less than 70 dB A according to ISO 3744 or ISO 7779 WARNING TO CA...

Page 4: ...such products please follow the guidance of your local authority and or ask the shop where you purchased the product After collecting the used products they are reused and recycled in a proper way This effort will help us reduce the wastes as well as the negative impact such as mercury contained in a lamp to the human health and the environment at the minimum level The mark on the electrical and e...

Page 5: ...ferent from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help For UK only In UK a BS approved power cable with moulded plug has a Black five Amps fuse installed for use with this equipment If a power cable is not supplied with this equipment please contact your supplier Important Safeguards These safety instructions are to ensure the long lif...

Page 6: ...able carefully A damaged or frayed power cable can cause electric shock or fire Do not use any power cables than the supplied one Do not bend or tug the power cable excessively Do not place the power cable under the projector or any heavy object Do not cover the power cable with other soft materials such as rugs Do not heat the power cable Do not handle the power plug with wet hands Turn off the p...

Page 7: ...essage The lamp has reached the end of its usable life Please replace the lamp appears If you continue to use the lamp after the lamp has reached the end of its usable life the lamp bulb may shatter and pieces of glass may be scattered in the lamp case Do not touch them as the pieces of glass may cause injury If this happens contact your dealer for lamp replacement A Lamp Characteristic The projec...

Page 8: ...ting Up the Screen and the Projector 10 Selecting a Location 10 Throw Distance and Screen Size 11 Making Connections 13 Connecting Your PC or Macintosh Computer 13 To connect SCART output RGB 15 Connecting an External Monitor 16 Connecting Your DVD Player with Component Output 17 Connecting Your VCR or Laser Disc Player 18 Connecting to a Network 19 Inserting and Removing a PC Card 21 PC Card Type...

Page 9: ...tical Keystone Distortion Cornerstone 38 Making Freehand Drawings on a Projected Image ChalkBoard 41 쐅 Preventing Unauthorized Use of the Projector 42 쐈 Using a USB Memory Device 47 쐉 Operation Using an HTTP Browser 48 씈 Using the Projector to Operate a Computer Connected on a Network Desktop Control Utility 1 0 51 5 Using the Viewer 56 Making the Most out of the Viewer Function 56 Operating the V...

Page 10: ...n 99 LAN PC Card 99 LAN Wireless 100 Version 100 Menu Descriptions Functions Reset 101 Returning to Factory Default 101 7 Maintenance 102 Cleaning or Replacing the Filter 102 Cleaning the Cabinet and the Lens 103 Replacing the Lamp 104 8 Appendix 107 Troubleshooting 107 Specifications 110 Cabinet Dimensions 112 Pin Assignments of D Sub COMPUTER 1 2 Input Connector 114 Compatible Input Signal List ...

Page 11: ... E R C O M P O N E N T O N P O W E R P O W E R LASER 3D REFORM AUTO ADJ ASPECT HELP PICTUR E PIC MUTE LAMP MO DE R CLICK L CLICK MO USE FREEZE VOLUME MA GN IFY PAGE S E L E C T 3 1 2 UP DOWN Projector Lens cap 24F41091 Soft case 24BS7561 Remote control 7N900691 Batteries AA x 2 Remote mouse receiver 7N900721 Power cable 7N080220 US 7N080007 EU VGA signal cable 7N520054 CD ROM User s manual and Use...

Page 12: ...Built in Wall Color Correction presets provide for adaptive color correction when projecting onto non white screen material or a wall USB memory or PC card interfaces provide for computer free presentations Enhanced smart security settings for password protection cabinet control panel lock menu lock and PC card protection key to help prevent unauthorized access adjustments and theft deterrence Hig...

Page 13: ... www necvisualsystems com Europe http www neceurope com Global http www nec pj com About this user s manual The fastest way to get started is to take your time and do everything right the first time Take a few minutes now to review the user s manual This may save you time later on At the beginning of each section of the manual you ll find an overview If the section doesn t apply you can skip it 1 ...

Page 14: ... registered trademark of Kensington Microware Inc The logo is trademarked and owned by Kensington Microware Inc Carrying the Projector Always carry your projector by the handle Ensure that the power cable and any other cables connecting to video sources are disconnected before moving the projector When moving the projector or when it is not in use cover the lens with the lens cap Ventilation inlet...

Page 15: ...two pin plug here and plug the other end into an active wall outlet page 23 Main Power Switch When you plug the supplied power cable into an active wall outlet and turn on the Main Power switch the POWER indicator turns orange and the projector is in standby mode page 24 Remote Sensor page 9 PC Card Slot PC Card Eject Button Lamp cover page 104 Ventilation outlet Heated air is exhausted from here ...

Page 16: ...projector press and hold this button for a minimum of two seconds To turn off the projector press this button twice 2 POWER Indicator page 24 33 107 3 STATUS Indicator page 107 4 LAMP Indicator page 104 107 5 PC CARD Access Indicator page 22 6 SOURCE Button 7 AUTO ADJUST Button page 31 8 3D REFORM Button page 29 38 9 MENU Button 10 SELECT 왖왔왗왘 Volume Buttons 11 ENTER Button 12 EXIT Button ...

Page 17: ...IN Connector RCA page 18 10 AUDIO L MONO R RCA page 17 18 11 PC CONTROL Port Mini D Sub 9 Pin page 116 117 Use this port to connect your PC or control system to control your projector via a serial cable This enables you to control the projector using serial communica tion protocol A commercially available RS232C cross cable is required to use this port You can also control the projector by using P...

Page 18: ... FREEZE Button page 34 23 ASPECT Button page 74 24 VOLUME Buttons page 31 25 PICTURE Button page 69 71 26 PIC MUTE Button page 34 27 MAGNIFY Buttons page 34 28 LAMP MODE Button page 34 29 AUTO ADJ Button page 31 30 PAGE UP DOWN Buttons page 37 31 3D REFORM Button page 29 38 32 HELP Button page 35 LASER 3D REFORM AUTO ADJ ASPECT HELP PICTURE PIC MUTE LAMP MODE R CLICK L CLICK MOUSE FREEZE VOLUME MA...

Page 19: ...here are objects between the remote control and the sensor or if strong light falls on the sensor Weak batteries will also prevent the remote control from properly operating the projector Remote Control Precautions Handle the remote control carefully If the remote control gets wet wipe it dry immediately Avoid excessive heat and humidity Do not heat take apart or throw batteries into fire If you w...

Page 20: ...ther cables are disconnected before moving the pro jector When moving the projector or when it is not in use cover the lens with the lens cap To the wall outlet 3 2 1 Cb Pb Y AC IN SELE CT D i s t a n c e Lens center Screen size Screen size Unit cm inch 609 6 W X 457 2 H 240 W X 180 H 487 7 W X 365 8 H 192 W X 144 H 406 4 W X 304 8 H 160 W X 120 H 365 8 W X 274 3 H 144 W X 108 H 304 8 W X 228 6 H ...

Page 21: ...657 821 986 1095 1150 1314 1479 1643 mm 533 635 762 1016 1524 1829 2032 2134 2286 2540 3048 3810 4572 5080 5334 6096 6858 7620 mm 427 508 610 813 1219 1463 1626 1707 1829 2032 2438 3048 3658 4064 4267 4877 5486 6096 inch 21 25 30 40 60 72 80 84 90 100 120 150 180 200 210 240 270 300 α Wide Tele degree 10 0 12 1 10 0 11 9 9 8 11 8 9 8 11 7 9 6 11 6 9 6 11 6 9 6 11 6 9 6 11 6 9 6 11 6 9 6 11 5 9 6 1...

Page 22: ...lly at 95 to 104 F 35 to 40 C Op erational temperatures during use of wireless LAN card 41 to 95 F 5 to 35 C Do not expose the projector to moisture dust or smoke This will harm the screen image Ensure that you have adequate ventilation around your projector so heat can dissipate Do not cover the vents on the side or the front of the projector Reflecting the Image Using a mirror to reflect your pr...

Page 23: ...toggle through external display selections VGA signal cable supplied To mini D Sub 15 pin connector on the projector It is recom mended that you use a commercially available distribution amplifier if connecting a signal cable longer than the supplied one Audio cable not supplied IBM VGA or Compatibles Notebook type or Macintosh Notebook type NOTE The COMPUTER 1 IN connector supports Plug Play DDC2...

Page 24: ...y not be correctly displayed Should this happen restart your PC NOTE Use a DVI D cable compliant with DDWG Digital Display Working Group DVI Digital Visual Interface revision 1 0 standard The DVI D cable should be within 10 m 394 long The DVI DIGITAL connector COMPUTER 3 accepts VGA 640x480 SVGA 800x600 1152x864 XGA 1024x768 and SXGA 1280x1024 up to 60Hz DVI D cable Audio cable not supplied IBM VG...

Page 25: ...quired for this connection From the menu select Setup Options Signal Select Computer 1 Scart SCART is a standard European audio visual connector for TVs VCRs and DVD players It is also referred to as Euro connector NOTE Audio signal is not available for this connection TIP The ADP SC1 SCART adapter is obtainable from your NEC dealer in Europe Contact your NEC dealer in Europe for more information ...

Page 26: ...o sound when the projector is in standby mode The MONITOR OUT connector will output no signal when Power saving is selected in Standby Mode from the menu When the projector is in the standby mode the image may not be correctly displayed while the cooling fans are running immedi ately after turning on or off the power The AUDIO OUT jack cannot be used as a headphone jack Output sound level can be a...

Page 27: ...ion and Connections You can connect a video cable to the Y connector of the COMPONENT connectors to display a VCR source To do so from the menu select Setup Options Signal Select Component Video NOTE Refer to your DVD player s owner s manual for more information about your DVD player s video output requirements Connecting Your DVD Player with Component Output DVD player Audio Equipment Audio cable...

Page 28: ...Installation and Connections Connecting Your VCR or Laser Disc Player S Video cable not supplied Video cable not supplied VCR Laser disc player Audio equipment Audio cable not supplied NOTE Refer to your VCR or laser disc player owner s manual for more information about your equipment s video output require ments NOTE An image may not be displayed correctly when a Video or S Video source is played...

Page 29: ...ser Supportware 3 CD ROM Picture transmission feature With the wired or wireless LAN connection you can send images and slides from a personal computer to the projector which then can be projected on the screen The following two methods are available Using Image Express Utility 2 0 from the supplied User Supportware 3 CD ROM Using Ulead Photo Explore 8 0 from the supplied User Supportware 3 CD ROM...

Page 30: ...ect communication i e peer to peer between personal computers and projectors you need to select the 802 11 Ad Hoc mode From the menu select Setup Installation LAN Mode PC Card Advanced Network Type Mode 802 11 Ad Hoc The 802 11 Ad Hoc mode complies with IEEE802 11 standard When in Ad Hoc mode only 802 11b is available for communication method Data transmission speed in Ad Hoc mode is limited up to...

Page 31: ...d slot Refer to the PC card s operating instructions for the proper direction of insertion Back up your PC card s data in case it will need to be restored To prevent electrostatic discharge damage to the wireless LAN card wear an anti static wrist strap If no wrist strap is available ground yourself by touching metal such as a door knob PC card not supplied PC CA RD CO MPO NE NT IN US B LA N AU DI...

Page 32: ...2 IN PC CO NT RO L MON ITOR OU T AU DIO OU T Cb Pb L M ON O R Y Cr Pr S VIDE O IN VIDE O IN AU DIO IN AC IN PC CA RD LA MP ST AT US PO WER O N S T A N D B Y SO UR CE AU TO AD JU ST 3D RE FO RM Eject button Removing the PC Card 1 Make sure that the PC CARD access indicator is not lit This step is needed only when the PC memory card being inserted into the projector s PC CARD slot NOTE The PC CARD a...

Page 33: ...PU TER 3 IN CO MPU TER 1 IN CO MPU TER 2 IN PC CO NT RO L MON ITOR OU T AU DIO OU T Cb Pb L M ON O R Y Cr Pr S VIDE O IN VIDE O IN AU DIO IN AC IN PC CA RD LA MP ST AT US PO WER O N S T A N D B Y SO UR CE AU TO AD JU ST 3D RE FO RM SELECT CAUTION Do not unplug the power cable from the wall outlet under any one of the following circumstances Doing so can cause damage to the projector or PC card Whi...

Page 34: ...ion I The POWER indicator will light orange See the Power Indicator section on page 107 for more details 2 Remove the lens cap 3 Press the POWER ON STAND BY button on the pro jector cabinet or POWER ON button on the remote control for a minimum of 2 seconds when the power indicator turns a steady green and the projector is ready to use After you turn on your projector ensure that the computer or v...

Page 35: ...ur This is normal Wait 3 to 5 minutes until the lamp lighting is stabilized When the Lamp mode is set to Eco the Lamp indicator will light green If one of the following things happens the projector will not turn on If the internal temperature of the projector is too high the projector detects abnormal high temperature In this condition the projector will not turn on to protect the internal system ...

Page 36: ...uter1 Computer2 Computer3 Componet Video S Video Viewer Computer1 If no input signal is present the input will be skipped When the input source you wish to project is displayed release the button NOTE The COMPUTER 3 connector is available on LT380 only OFF ON SELECT POWER POWER MENU ENTER EXIT VIDEO S VIDEO VIEWER LAN COMPUTER COMPONENT 3 1 2 Selecting from Source List Press and quickly release th...

Page 37: ...eight 4 Release the AdjustableTilt Foot lever to lock the Adjustable tilt foot There is approximately 10 degrees up of adjustment for the front of the projector Adjustable Tilt Foot Rotate the front of the projector right or left to the right in this example to center the image horizontally on the screen 4 4 PC CA RD LA M P ST AT US PO W ER SO UR CE AU TO AD JU ST 3D RE FO RM ON S TA ND BY SE LE C...

Page 38: ...28 3 Projecting an Image Basic Operation Zoom Use the ZOOM lever to adjust the image size on the screen Focus Use the FOCUS ring to obtain the best focus ...

Page 39: ...t Vertical and then use the SELECT 왗 or 왘 so that the left and right sides of the projected im age are parallel Adjust the vertical keystone distortion 3 Align the left or right side of the screen with the left or right side of the projected image Use the shorter side of the projected image as the base In the right example use the left side as the base NOTE When Manual is selected in Keystone from...

Page 40: ...he last use the previous correction setting values are retained in the memory To use the previous correction setting values after changing projection angle select Manual in Keystone from the menu page 77 To reset the 3D Reform correction setting values press and hold the 3D REFORM button for a minimum of 2 seconds Each time the 3D REFORM button is pressed the item will change as follows Keystone C...

Page 41: ...Adjust button to optimize an RGB image automatically This adjustment may be necessary when you connect your computer for the first time Poor picture Normal picture Increase volume Decrease volume Sound level from the speaker and the AUDIO OUT jack Stereo mini on the projector can be adjusted NOTE When no menus appear the SELECT 왗왘 buttons on the projector cabinet work as a volume control NOTE Some...

Page 42: ...itch There are two switches on the bottom of the battery case an applicable projector selector switch 1 and laser enable disable switch 2 Check the projector being used and decide whether to enable or disable laser then set these switches as necessary using the tip of a thin ball point pen On this model an applicable projector selector switch 1 is not used ON OFF Switch 2 On Enabled the laser ligh...

Page 43: ...he projector lamp is lighted While the cooling fans are running The cooling fans continue to work for 30 seconds after the projector is turned off While the PC CARD Access Indicator lights Doing so can dam age your PC memory card 쐎 After Use Preparation Make sure that the main power is turned off 1 Unplug the power cable 2 Disconnect any other cables 3 Retract adjustable tilt feet if extended 4 Co...

Page 44: ...ECT MAGNIFY 3D REFORM AUTO ADJ ASPECT HELP PICTURE PIC MUTE LAMP MODE FREEZE VOLUME PAGE UP DOWN 1 Press the MAGNIFY button Each time the MAGNIFY button is pressed the image is magnified Image can be magnified up to 400 2 Press the SELECT 왖왔왗왘 button The area of the magnified image will be moved 3 Press the MAGNIFY button Each time the MAGNIFY button is pressed the image is reduced Changing Lamp M...

Page 45: ...middle button you can do the following You can use a scroll bar in the menu or the help You can click the middle button to display or hide the ChalkBoard toolbar Example Click or press and hold the left mouse button on the 왗 or 왘 to adjust the brightness Or click and drag the left mouse button on the slide bar horizontally to adjust it To save the adjustments click The display is closed Click with...

Page 46: ...30 Remote mouse receiver Computer To USB port of PC or Macintosh When operating a computer via the remote mouse receiver Remote sensor on the remote mouse receiver 7m 22 feet When connecting using the USB port For PC the mouse receiver can only be used with a Windows 98 Me XP Windows 2000 or MacOS X 10 0 0 or later operating system NOTE In SP1 or older verison of Windows XP if the mouse cursor wil...

Page 47: ...e the computer using the SELECT 왖왔왗왘 button with the menu displayed both the menu and the mouse pointer will be affected Close the menu and perform the mouse operation About Drag Mode By pressing the MOUSE L CLICK or R CLICK button for 2 or 3 seconds then releasing the drag mode is set and the drag operation can be performed simply by pressing the SELECT 왖왔왗왘 button To drop the item press the MOUS...

Page 48: ... Current adjusments for Keystone or Cornerstone will be cleared 2 Project an image so that the screen is smaller than the area of the raster 3 Pick up any one of the corners and align the corner of the image with a corner of the screen The drawing shows the upper right corner 4 Press the 3D REFORM button on the remote control twice The Cornerstone adjustment screen is displayed Screen 5 Use the SE...

Page 49: ...correction setting values press and hold the 3D REFORM button for a minimum of 2 seconds NOTE During 3D Reform adjustment Aspect Ratio and Screen may not be available Should this happen first reset the 3D Reform data and then do each setting Second repeat the 3D Reform adjustment Changing Aspect Ratio and or Screen setting can limit 3D Reform in its adjustable range Screen 9 Use the SELECT 왖왔왗왘 bu...

Page 50: ...tton for a minimum of 2 seconds to reset the current correction data The Cornerstone function becomes available Turning on the projector will reset the previous correction setting values and correct distortion anew if the projection angle is changed from the last use If the projection angle is the same as in the last use the previous correction setting values are retained in the memory To use the ...

Page 51: ...u prefer by left clicking Color Selects a color Left click to display the color palette from which you can select a color you prefer by left clicking Eraser Left click and drag to erase part of a drawing Left click or right click the eraser icon to display the eraser palette containing four erasers of different thickness from which you can select an eraser you prefer by left clicking Clear Left cl...

Page 52: ...being used by unauthorized individuals Assigning a Keyword for the first time 1 Press the MENU button The menu will be displayed 2 Press the SELECT 왘 button to highlight the Setup submenu and press the ENTER button The page tab Basic will be highlighted 3 Press the SELECT 왘 button twice to highlight the page tab Security ...

Page 53: ...SELECT 왔 button four times to highlight Security 5 Press the ENTER button to display the Security screen 6 Press the SELECT 왔 button once to highlight the Keyword entry box and press the ENTER button The Software keyboard will be displayed ...

Page 54: ...try box 7 3 For 3 and 4 use the same procedure as step 7 2 The asterisk 쏄쏄쏄쏄 will be displayed in the Keyword entry box 7 4 Press the SELECT 왔 button to highlight OK and press the ENTER button The Software keyboard will disappear 8 Press the SELECT 왖 button once to highlight Off and press the SELECT 왗 button to highlight On 9 Press the SELECT 왔 button to highlight OK and press the ENTER button The...

Page 55: ...n position I The POWER indicator lights orange The projector is in standby condition 4 Press and hold the POWER ON STANDBY button for a minimum of two seconds The projector will turn on The Projector is locked Enter your keyword message will be displayed at the bottom of the screen 5 Press the MENU button The Keyword entry screen will be displayed 6 Press the ENTER button The Software keyboard wil...

Page 56: ...TER button The Keyword entry screen will be displayed 4 Convenient Features 5 Press the ENTER button The Software keyboard will be displayed 6 Use the same procedures as steps 1 to 7 described in the Assigning a Keyword for the first time section to enter 1234 Each time one number is entered an 쏄 asterisk will appear Keyword appears as asterisks so the real keyword is hidden 7 After entering your ...

Page 57: ... flash memory card or USB memory device in your computer refer to the document or help file that comes with your Windows You cannot use a USB memory device when connecting a USB mouse to the projector Do not do the following while the USB memory device s access indicator is lit or flashing while data is being accessed Doing so can damage your USB memory device Back up your data in case it will nee...

Page 58: ...rk connections and set up the projector and confirm that it is complete before engaging in browser opera tions LAN Mode on page 86 Operation with a browser that uses a proxy server may not be possible depending on the type of proxy server and the setting method Although the type of proxy server will be a factor it is possible that items that have actually been set will not be displayed depending o...

Page 59: ...en display functions All Off Cancels the muting of each of the video audio and on screen display functions Picture Controls the video adjustment of the projector Brightness 왖 Increases the brightness adjustment value Brightness 왔 Decreases the brightness adjustment value Contrast 왖 Increases the contrast adjustment value Contrast 왔 Decreases the contrast adjustment value Color 왖 Increases the colo...

Page 60: ...nnector Viewer Switches to the Viewer LAN Switches to a LAN signal Projector Status This displays the condition of the projector Lamp Life Remaining Displays the remaining life of the lamp as a percentage Lamp Hours Used Displays how many hours the lamp has been used Filter Hours Used Displays how many hours the filter has been used Projector Hours Used Displays how many hours the projector has be...

Page 61: ...need for taking the computer from the office to the meeting room Meeting room Office Disclaimer You can use the Desktop Control Utility 1 0 to operate a computer located in a separate room from the projector over a network This means there might be potential security risks that you may be exposed to which could cause damage by unauthorized access or illegal use We recommend you take some measures ...

Page 62: ...erating the software see the Desktop Control Utility 1 0 s help file 3 Prepare the documents to be presented at the meeting and save them on the computer 4 Start up Desktop Control Utility 1 0 The Startup password window appears Window at the first startup Window after entering your startup password 5 Input the startup password and click OK The Current password input window appears NOTE The Curren...

Page 63: ...the screen with the USB mouse The menu appears 4 Click Source then click LAN The help message is displayed The message is displayed only when a password for Desktop Control Utility 1 0 is not assigned 5 Follow the message to press the MENU button on the projector cabinet or the remote control The connections bar appears at the bottom left of the screen 6 Click the password input icon 7 Click Entry...

Page 64: ... which you want to connect then click OK The desktop of the connected computer appears NOTE Once the desktop appears the menu will no longer appear when the USB mouse is clicked To display the menu while the desktop is displayed press the button on the projector itself or on the remote control Operations on the projector Operating the desktop A USB mouse connected to the projector can be used to o...

Page 65: ... while the desktop is displayed The additional operations bar appears at the bottom left of the screen 2 Select the disconnect icon and press the ENTER button The connections bar appears at the bottom left of the screen To reconnect the communication click the PC search icon and repeat steps 12 and 13 in the previous page NOTE Disconnection is possible by clicking the projector icon and then Disco...

Page 66: ...esentation materials using the Ulead Photo Explore 8 0 see the supplied User Supportware 3 User s Guide or On line help in Ulead Photo Explorer 8 0 1 Both PNG and GIF format support non interlaced images only 2 Index file is a file created using the Ulead Photo Explore 8 0 contained on the supplied NEC User Supportware 3 CD ROM See the supplied User Supportware 3 User s Guide for installing the Ul...

Page 67: ...on to display the Viewer menu The Viewer menu will appear when you press the MENU button on the remote control or the projector cabinet The Viewer menu includes the following commands Play Plays back automatically or manually depending on the setting in Options This allows you to move on to the next slide when Manual is selected in the Play Mode Stop This allows you to stop Auto Play while you are...

Page 68: ... File slide number number of displayable slides in a folder file name creation date month day year creation time hour minute file size Number of files Indicates number of displayable slides in the selected folder The maximum number of images recognized as slides within one directory is about 1000 Thumbnail file name Indicates thumbnails and names contained in a folder Cursor Indicates the selected...

Page 69: ...jpg 0001 bmp 0002 jpg 3 Files Slot 1 RECYCLED PICTURE 1 3 0000 jpg 60KB select ENTER folder EXIT 08 21 2005 06 29 263KB 0000 jpg 0001 jpg 0002 jpg 3 Files Slot 1 RECYCLED PICTURE 1 3 0000 jpg 60KB select ENTER folder EXIT 08 21 2005 06 29 263KB Off On Sort Rearranges the slides or thumbnails by name extension date or size NOTE This setting is not available for the following folders Folders created...

Page 70: ...lides and moving pictures from a VCR etc it is possible to switch from a Viewer slide to the video picture then back to the Viewer slide simply by using the Viewer button NOTE Even if you switch the current Viewer source to another source the current slide is retained When you return back to the Viewer you will get the slide that has been retained Viewing Digital Images Digital images can be playe...

Page 71: ... 3 Use the 왔 button to select Thumbnails and then press the ENTER button The Thumbnail screen will be displayed NOTE To change highlight from the Thumbnails screen right window to a directory tree left window press the EXIT button To return highlight to the Thumbnails screen press the ENTER button 4 Use 왖왔왗왘 button to select a file slide for your background logo 5 Press the MENU button to display ...

Page 72: ...buttons on the remote control or the projector cabinet to select the tab you want NOTE You can select a tab only when the tab color is orange 5 Press the ENTER button on the remote control or the projector cabinet to display the submenu window 6 Adjust the level or turn the selected item on or off by using the SELECT 왖왔왗왘 buttons on the remote control or the projector cabinet Changes are stored un...

Page 73: ...Separation Off On Still Normal Movie Vertical Enhancer Off 1 2 3 Deinterlace Off On Still Normal Movie Telecine Off On 2 2 2 3 Auto 2 2 On 2 3 On Sound Volume Bass Treble Balance 3D Surround Setup Basic Keystone Auto Manual Cornerstone Wall Color Off Blackboard Blackboard Gray Light yellow Light green Light blue Sky blue Light rose Pink Lamp mode Normal Eco Menu Mode Basic Menu Advanced Menu Langu...

Page 74: ...Component Component Video Color System Component Video Video S Video S Video Mode Select Off S2 OUT Terminal Last Computer1 Computer2 Component Tools ChalkBoard Off Timer Off 0 30 1 00 2 00 4 00 8 00 12 00 16 00 Mouse Mouse Pointer Pointer 1 to 9 Button Right Hand Left Hand Sensitivity Fast Medium Slow Information Usage Time Lamp Life Remaining Lamp Hours Used Filter Hours Used Projector Hours Use...

Page 75: ...ront Radio button Use this round button to select an option in a dialog box Check box Place a checkmark in the square box to turn the option On Slide bar Indicates settings or the direction of adjustment OK button Press to confirm your setting You will return to the previous menu Cancel button Press to cancel your setting You will return to the previous menu Close button Click to close the window ...

Page 76: ...player or document camera S Video Selects what is connected to your S VIDEO input VCR DVD player or laser disc player NOTE A frame may freeze for a brief period of time when a video is played back in fast forward or fast rewind with a Video or S Video source Viewer This feature enables you to make presentations using a PC card that contains captured images and slides created with the exclusive Pho...

Page 77: ...ELECT 왖 or 왔 button on your remote control or the projector cabinet to select any number and press the ENTER button on the remote control or the projector cabinet to display the Entry Edit Com mand screen 3 Use the SELECT 왗 or 왘 button to select Store and press the ENTER button Using the Entry List Making any adjustments to the current picture will automatically register its adjustments to the Ent...

Page 78: ...hen All Delete is executed After executing Lock the changes cannot be saved Skip Set so that the selected signal will be skipped during auto search When complete select OK and press ENTER To exit without storing the setting select Cancel Select Source Name and press ENTER to display the Source Name Edit window You can change source name on this window Press 왔 to display the software keyboard which...

Page 79: ... Menu Descriptions Functions Adjust Picture Preset This option allows you to adjust neutral tint for yellow cyan or magenta There are six factory presets optimized for various types of images you can set user adjustable settings ...

Page 80: ...ural reproduction of the picture Black Detail Emphasizes detail in dark areas of the picture Adjusting Color Temperature Color Temperature This feature adjusts the color temperature using the slide bar Move the slide bar to the right to increase color temperature more blue to the left to decrease color temperature more red NOTE When Presentation or High Bright is selected in Reference this functio...

Page 81: ...als Color Increases or decreases the color saturation level not valid for RGB and digital signals Hue Varies the color level from green to blue The red level is used as reference This adjustment is only valid for Video Component and TV standard inputs not valid for RGB and digital signals Reset The settings and adjustments for Picture will be returned to the factory settings with the exception of ...

Page 82: ...nding that might appear This function adjusts the clock frequencies that eliminate the horizontal banding in the image This adjustment may be necessary when you connect your computer for the first time Phase Use this item to adjust the clock phase or to reduce video noise dot interference or cross talk This is evident when part of your image appears to be shimmering Use Phase only after the Clock ...

Page 83: ... Position Adjusts the image location horizontally and vertically Masking Unwanted Area Blanking This feature allows you to mask any unwanted area of the screen image Selecting Overscan Percentage Overscan Select overscan percentage 0 5 and 10 for signal Projected image Overscaned by 10 ...

Page 84: ...splay 4 3 Window Reduced to display the true aspect with black borders on right and left Letter Box Standard 16 9 aspect Wide Screen Left and right stretched to display the true aspect 4 3 Fill Stretched to display in 16 9 aspect ratio NOTE You can adjust image position vertically for a source with black borders on top and bottom page 85 NOTE Please note that using this projector for the purpose o...

Page 85: ... Selecting Interlace or Deinterlace Deinterlace This function allows you to select between Interlace and Deinterlace Off Project the interlaced signal On Still Select when a still image is displayed When this option is selected for a moving image jitter or artifacts can be seen Normal The projector automatically determines a still or moving image to display a clear picture If selecting Normal caus...

Page 86: ...g 3D Surround 3D Surround Turn on or off the 3D surround effect If the AUDIO OUT stereo mini jack of the projector is connected to an external equipment adjusting the sound on the external equipment can cause sound to be distorted or cracked depending on the bass treble or 3D Surround adjustment If this happnes return the adjustments of the projector to the factory default Bass 0 Treble 0 3D Sur r...

Page 87: ...orrect vertical distortion automatically Manual You can correct vertical distortion manually from the menu Changes will be saved even when you turn off the projector Adjust You can display the Keystone screen page 29 NOTE When Cornerstone is selected Adjust is not available Selecting Cornerstone Mode Cornerstone This option allows you to correct trapezoidal distortion Selecting this item will disp...

Page 88: ...erheated in Normal mode there may be a case where the Lamp mode will be forced into the Eco mode to protect the projector This mode is called forced Eco mode During forced Eco mode cannot be changed from the menu When the projector is in forced Eco mode the picture brightness decreases When the projector comes back to normal temperature the Lamp mode returns to Normal mode The LAMP indicator s ste...

Page 89: ...will disappear Selecting Menu Display Time Display Time This option allows you to select how long the projector waits after the last touch of a button to turn off the menu The preset choices are Manual Auto 5 sec Auto 15 sec and Auto 45 sec The Auto 45 sec is the factory preset Selecting a Color or Logo for Background Background Use this feature to display a blue black screen or logo when no signa...

Page 90: ...d Select On and press the ENTER button The Enter the Password screen will be displayed Make sure that is highlighted and then press the ENTER button The Software keyboard appears Use the Software keyboard to type a password and then highlight OK on the Enter the Password screen and press the ENTER button The Confirm Password screen will be displayed 2 Type the same password again Highlight OK on t...

Page 91: ...r an appropriate keyword when you use the Security function Up to 10 characters can be used The Security function is available only when your keyword is entered Use Protect key Check this box to lock your projector when using a PC card To use a keyword without a PC card do not check this box Drive Switches between PC Card slot and USB port type A Read Reads data from a PC card Register Registers d...

Page 92: ...ll be turned on and display a message to the effect that the projector is security protected 2 Press the MENU button The Release Code input screen will be displayed 3 Enter your keyword in the Release Code input screen You can view the projected image NOTE Do not forget your keyword However if you forget your keyword NEC or your dealer will provide you with your Release Code See more information a...

Page 93: ...mum of two seconds The projector will be turned on and display a message to the effect that the projector is security protected 2 Press the MENU button The Release Code input screen will be displayed as well as your Request Code 24 alphanumeric charac ters 3 Enter your Release Code in the Release Code Input screen The projector will turn on If the projector is turned on by entering the Release Cod...

Page 94: ...image for your type of projection The options are desktop front projection ceiling rear projection desktop rear projection and ceiling front projection Desktop front Ceiling rear Desktop rear Ceiling front NOTE Selecting one of the other options than Desktop Front will make the Auto Keystone unavailable ...

Page 95: ...hen 16 9 has been selected for the screen type When 16 9 has been selected there is black area above and below the image NOTE This option is available only when 16 9 is selected in Screen Type NOTE During 3D Reform adjustment Screen Type and Screen Position may not be available To make available first reset the 3D Reform data and then do settings again Secondly repeat the 3D Reform adjustment Chan...

Page 96: ...C Card tab select a number from the Profiles list for your LAN settings Two settings can be stored in memory for each the LAN port and the wireless LAN card respectively 3 On the Built in tab or the PC Card tab turn on or off DHCP specify IP address Subnet Mask Gateway and DNS Configuration Select OK and press the ENTER button page 87 88 To recall the settings from memory After selecting the Built...

Page 97: ...ed in memory of the projector Select Profile 1 or Profile 2 and then do settings for DHCP and the other options After doing this select OK and press the ENTER button This will store your settings in memory DHCP Enabling this option automatically assigns an IP address to the projector from your DHCP server Disabling this option allows you to register the IP address or subnet mask number obtained fr...

Page 98: ... subnet mask number obtained from your network administrator IP Address Set your IP address Press to display the software keyboard and type in 12 numeric characters Subnet Mask Set your subnet mask number Press to display the software keyboard and type in 12 numeric characters Gateway Set the default gateway of the network connected to the projector Press to display the software keyboard and type ...

Page 99: ...be done only with equipment whose SSID matches SSID for your wireless LAN Up to 32 alphanu meric characters can be used NOTE To disable SSID select a space null or ANY All caps Mode Select communication method when using wireless LAN Infrastructure Select this option when communicating with one or more equipment connected to the wireless or wired LAN network via an access point 802 11 Ad Hoc Selec...

Page 100: ... settings must be the same as communication devices such as PC or access point in your wireless network When you use WEP your image transmission speed will slow down Key Select Selects one key from the four keys below when selecting 64bit 128bit or 152bit in WEP Key1 4 Enter encryption key when selecting 64bit 128bit or 152bit in WEP Up to 5 characters can be set in 64 bit up to 13 characters in 1...

Page 101: ...ECT 왖왔왗왘 button to select one key and press the ENTER button 3 After finishing entering the WEP key use the SELECT 왖왔왗왘 button to select OK and press the ENTER button The software keyboard will disappear Domain Host Name Type in a hostname Up to 60 alphanumeric characters can be used Domain Name Type in domain name of the network connected to the projector Up to 60 alphanumeric characters can be u...

Page 102: ...ters can be used See Using Software Keyboard in Appendix for more details SMTP Server Name Type in the SMTP server name to be connected to the projector Up to 60 alphanumeric characters can be used Recipient s Address 1 to 3 Type in your recipient s address Up to 60 alphanumeric and symbols characters can be used Test Mail Send a test mail to check if your settings are correct NOTE If you entered ...

Page 103: ... to be connected depending on the equipment a lower baud rate may be recommended for long cable runs Your selected communication speed will not be affected even when Reset is done from the menu Selecting Power saving in Standby Mode The projector has two standby modes Normal and Power saving Power saving mode is the mode that allows you to put the projector in the power saving condition which cons...

Page 104: ...bling Power Management Power Management When this option is selected you can enable the projector to automatically turn off at the selected time 5min 10min 20min 30min if there is no signal received by any input Enabling High Speed Fan Mode Fan Mode This option allows you to select two modes for fan speed Auto mode and High speed mode Auto The built in fans automatically run at a variable speed ac...

Page 105: ...rom the pulldown menu This must be done for Component Video Video and S Video Connector separately Selecting S Video Mode S Video Mode Select This feature is used to select the S Video signal detection mode This allows identifying of the S Video signals with different aspect ratio 16 9 and 4 3 Off Does not identify any S Video signal S2 Identifies the 16 9 or 4 3 signal NOTE The Aspect Ratio is no...

Page 106: ...ntrol 3 The remaining time starts counting down 4 The projector will turn off after the countdown is complete NOTE To cancel the preset time set Off for the preset time or turn off the power When the remaining time reaches 3 minutes before the projector is turned off the Projector will turn off in 3 minutes message will be displayed on the bottom of the screen Setting Mouse Pointer Button and Sens...

Page 107: ... and settings and LAN settings This dialog box has seven pages The information included are as follows Usage Time Lamp Life Remaining Lamp Hours Used H Filter Hours Used H Projector Hours Used H NOTE The progress indicator shows the percentage of remaining lamp life The value informs you of the amount of lamp filter and projector usage respectively ...

Page 108: ...98 6 Using On Screen Menu Source Page1 Input Terminal Signal Type Video Type Source Name Entry No Source Page2 Horizontal Frequency Vertical Frequency Sync Type Sync Polarity Scan Type ...

Page 109: ...e LAN port RJ 45 is used MAC Address Indicates the MAC address of the LAN port RJ 45 LAN PC Card This page shows information on settings for the optional wireless LAN card IP Address Indicates the IP address of the projector when the optional wireless LAN card is used Subnet Mask Indicates the subnet mask of the projector when the optional wireless LAN card is used Gateway Indicates the gateway of...

Page 110: ...d Hoc is selected for your communication method WEP Indicates your selected datalength encryption On or Off Channel Indicates the channel you selected in the Site Survey The channel must match for all wireless devices communicating on your wireless LAN Signal Level Indicates receiving condition of radio signal level while you are using a wireless LAN connection Only when PC Card is used Version Fi...

Page 111: ...trol Panel Lock Menu Lock Logo Lock Security LAN Mode Projector Name Communication Speed Standby Mode Lamp Life Remaining Lamp Hours Used Filter Hours Used and Projector Hours Used Also deletes all the signals in the Entry List and returns to the factory preset NOTE Locked signals in Entry List cannot be reset Clearing Lamp Hour Meter Clear Lamp Hours Resets the lamp clock back to zero NOTE Elapse...

Page 112: ...itch and unplug the projector before replacing the filter Only clean the outside of the filter cover with a vacuum cleaner Do not attempt to operate the projector without the filter cover To clean the air filter Vacuum the filter through the filter cover To reset the filter usage time from the menu select Reset Clear Filter Hours page 101 for resetting the filter usage time To replace the filter s...

Page 113: ...fore cleaning 2 Clean the cabinet periodically with a damp cloth If heavily soiled use a mild detergent Never use strong detergents or solvents such as alcohol or thinner 3 Use a blower or lens paper to clean the lens and be careful not to scratch or mar the lens PC CA RD CO MP ON EN T IN US B LA N AU DIO IN CO MP UT ER 3 IN CO MP UT ER 1 IN CO MP UT ER 2 IN PC CO NT RO L MO NIT OR OU T AU DIO OU ...

Page 114: ...s You could receive an electric shock Do not break the glass on the lamp housing Keep finger prints off the glass surface on the lamp housing Leaving finger prints on the glass surface might cause an unwanted shadow and poor picture quality The projector will turn off and go into standby mode after 2100 up to 3100 hours in Eco mode hours of service If this happens be sure to replace the lamp If yo...

Page 115: ... on this case to prevent the risk of electrical shock Do not attempt to circumvent this interlock 4 Insert a new lamp housing until the lamp housing is plugged into the socket CAUTION Do not use a lamp other than the NEC replacement lamp VT75LP Order this from your NEC dealer Secure it in place with the two screws Be sure to tighten the screws 5 Reattach the lamp cover Slip the lamp cover back unt...

Page 116: ...Hours 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 press the HELP button on the remote control for 10 seconds to reset the lamp clock back to zero When the lamp time clock is reset to zero the LAMP indicator goes out ...

Page 117: ... Normal Lamp cover error Temperature error Power error Fan error Lamp error Re firing the lamp Network conflict Control Panel Lock is on The projector is in Standby Replace the lamp cover correctly page 105 The projector is overheated Move the projector to a cooler location Power unit will not work correctly Fans will not work correctly Lamp fails to light Wait a full minute and then turn on again...

Page 118: ...ning on the power to the notebook PC In most cases the output signal from the notebook PC is not turned on unless connectedto the projector be fore being powered up If the screen goes blank while using your remote control it may be the result of the computer s screen saver or power management software See also the next page Check if an appropriate color is selected in Wall Color If not select an a...

Page 119: ...splayed correctly Should this happen deactivate the notebook PC s LCD screen when the projector display is in use Each notebook PC has a different way of deactivate reactivate the local LCD screens as described in the previous step Refer to your computer s documentation for detailed information Image displayed is incorrect when using a Macintosh When using a Macintosh with the projector set the DI...

Page 120: ...nent Mini D Sub 15 P shared with COMPUTER 1 2 input 1 S Video Mini DIN 4P 1 Video 1 PC Card 1 Stereo Mini Audio 1 L R RCA Audio 1 PC Control Mini D Sub 9P Outputs 1 RGB Mini D Sub 15P 1 Stereo Mini Audio USB Port 1 A Type LAN Port RJ 45 Video Compatibility NTSC NTSC4 43 PAL PAL 60 PAL N PAL M SECAM HDTV 1080i 1080i 50Hz 720p 576p 576i 480p 480i 60Hz Scan Rate Horizontal 15 kHz to 100 kHz RGB 24 kH...

Page 121: ...eless LAN card 41 to 95 F 5 to 35 C 20 to 80 humidity non condensing Storage Temperatures 14 to 122 F 10 to 50 C 20 to 80 humidity non condensing Regulations UL C UL Approved UL 60950 1 CSA 60950 1 Meets DOC Canada Class B requirements Meets FCC Class B requirements Meets AS NZS CISPR 22 Class B Meets EMC Directive EN55022 EN55024 EN61000 3 2 EN61000 3 3 Meets Low Voltage Directive EN60950 1 TÜV G...

Page 122: ...NTROL MONITOR OUT AUDIO OUT S VIDEO IN VIDEO IN AUDIO IN Cb Pb L MONO R Y Cr Pr PC CARD LAMP STATUS POWER ON STAND BY SOURCE AUTO ADJUST 3D REFORM SELECT AC IN 294 11 57 71 5 2 82 120 4 72 64 5 2 54 288 11 34 127 2 5 0 8 Appendix Cabinet Dimensions LT380 Lens center Lens center Unit mm inch ...

Page 123: ...N COMPUTER 2 IN PC CONTROL MONITOR OUT AUDIO OUT S VIDEO IN VIDEO IN AUDIO Cb Pb L MONO R Y Cr Pr AC IN PC CARD LAMP STATUS POWER ON STAND BY SOURCE AUTO ADJUST 3D REFORM SELECT 294 11 57 71 5 2 82 120 4 72 64 5 2 54 288 11 34 127 2 5 0 Lens center Lens center Unit mm inch ...

Page 124: ...r only 5 1 4 2 3 10 11 12 13 14 15 6 9 7 8 8 Appendix Pin No RGB Signal Analog YCbCr Signal 1 Red Cr 2 Green or Sync on Green Y 3 Blue Cb 4 Ground 5 Ground 6 Red Ground Cr Ground 7 Green Ground Y Ground 8 Blue Ground Cb Ground 9 No Connection 10 Sync Signal Ground 11 SCART Sync 12 Bi directional DATA SDA 13 Horizontal Sync or Composite Sync 14 Vertical Sync 15 Data Clock ...

Page 125: ... 75 00 D IBM 640 480 39 38 75 00 D VESA 640 480 43 27 85 01 D VESA 800 600 35 16 56 25 D VESA 800 600 37 88 60 32 D VESA 800 600 48 08 72 19 D VESA 800 600 46 88 75 00 D VESA 800 600 53 67 85 06 D MAC 832 624 49 72 74 55 D VESA 1024 768 48 36 60 00 D VESA 1024 768 56 48 70 07 D MAC 1024 768 60 24 74 93 D VESA 1024 768 60 02 75 03 D VESA 1024 768 68 68 85 00 D VESA 1152 864 67 50 75 00 D SUN 1152 9...

Page 126: ... 00H 00H 02H 01H 0BH 13H INPUT SELECT VIEWER 02H 03H 00H 00H 02H 01H 1FH 27H PICTURE MUTE ON 02H 10H 00H 00H 00H 12H PICTURE MUTE OFF 02H 11H 00H 00H 00H 13H SOUND MUTE ON 02H 12H 00H 00H 00H 14H SOUND MUTE OFF 02H 13H 00H 00H 00H 15H ON SCREEN MUTE ON 02H 14H 00H 00H 00H 16H ON SCREEN MUTE OFF 02H 15H 00H 00H 00H 17H ASPECT RATIO 4 3 Screen 4 3 03H 10H 00H 00H 05H 18H 00H 00H 00H 00H 30H Letterbo...

Page 127: ...cels the selection NOTE You can drag the Software keyboard on the screen by clicking and holding any part on the keyboard except buttons NOTE 1 Pins 1 4 6 and 9 are no used NOTE 2 Jumper Request to Send and Clear to Send together on both ends of the cable to simplify cable connection NOTE 3 For long cable runs it is recommended to set communication speed within projector menus to 9600 bps 1 5 2 4 ...

Page 128: ...installed correctly Power Management is turned off only models with the Power Management function Off Timer is turned off only models with the Off Timer func tion Video and Audio Image is too dark Remains unchanged even though you adjust the brightness and or the contrast Image is distorted Image appears to be trapezoidal unchanged even though you carry out the Keystone or 3D Reform adjustment Par...

Page 129: ...umber Length inch m Distribution amplifier Model number Switcher Model number Adapter Model number Projector PC DVD player Installation environment Screen size inch Screen type 䡺 White matte 䡺 Beads 䡺 Polarization 䡺 Wide angle 䡺 High contrast Throw distance feet inch m Orientation 䡺 Ceiling mount 䡺 Desktop Power outlet connection 䡺 Connected directly to wall outlet 䡺 Connected to power cord extend...

Page 130: ...y model name serial number and name of the store of purchase are not indicated on the warranty or have been altered 2 Problems or damage caused by dropping or shocks during ship ment or movement by the customer or by improper handling by the customers 3 Problems or damage caused by improper usage or unwarrant able alterations or repairs by the customer 4 Problems or damage caused by fire salt dama...

Page 131: ...an Telephone 81 465 85 2369 Fax Line 81 465 85 2393 Email Address support_pjweb nevt nec co jp WEB Address http www nec pj com Regions Covered Japan NEC Hong Kong Ltd Address 25 F The MetropolisTower 10 Metropolis Drive Hunghom Kowloon Hong Kong Telephone 852 2369 0335 Fax Line 852 2795 6618 Email Address esmond_au nechk nec com hk WEB Address http www nec com hk Regions Covered Hong Kong NEC Taiw...

Page 132: ...eriod I also confirm following information is correct Regards Application Sheet for TravelCare Service Program P 1 Country product purchased User s Company Name User s Company Address Phone No Fax No User s Name User s Address Phone No Fax No Local Contact office Local Contact office Address Phone No Fax No User s Model Name Date of Purchase Serial No on cabinet Problem of units per User Required ...

Page 133: ...lem Enduser is required to fill in Application Sheet Enduser needs to confirm the availability of the Service to NEC Au thorized Service Stations 3 Loan Only For this service NEC Authorized Service Station supplies the cus tomer with a loan unit for US 200 up to 12 days Customer keeps the inoperable unit and when customer returns home customer arranges to have the projector serviced in the home co...

Reviews: