Black Box AC400A User's Manual
Contents
1. The power supply may not be plugged into a live AC outlet Check to ensure that the power supply is connected to the Projection Panel and to a live AC wall outlet e Your power supply may be plugged into a power strip that is not turned on e Your overhead projector may not be set up correctly Check to see that the projector is on and plugged in properly Also check the bulb and make sure the overhead deflector is correctly positioned e You Projection Panel may not be adjusted properly Also check and adjust the contrast and level control settings Problem Color or VGA text not being projected Possible Causes and Solutions e Your level control may need to be adjusted Adjust the Projection Panel level control up or down until the text is visible e Your software may be displaying colors that are too similar Set your software to increase the difference between displayed colors Problem Image not centered on the screen Possible Causes and Solutions e Adjust position to center image on screen Problem Only the test pattern is being displayed Possible Causes and Solutions e Your Projection Panel video cables may not be connected correctly Check to see that the cable is connected to the video port on the computer s graphics card Your computer graphics system may not be set up correctly Check the following your computer s color graphics card is turned on your computer has a compa2. Track are for informational purposes and cannot be adjusted If you are experiencing problems be sure to write down these values before calling Technical Support 4 7 5 LANGUAGE Menus can be displayed in either English French German Italian or Spanish The User Menu allows you to choose the language The default is English 4 7 6 REAR PROJECTION Select ON to flip the image from left to right for rear projection screens The default is OFF Rear projection allows you to use a standard overhead projector without complex mirror setups for rear projection AK p CHAPTER 4 Operation Fig 4 17 Rear Projection 4 7 7 TEXT SLICE Text Slice allows you to adjust VGA text characters to look their best The Projection Panel discards one of seven pixels to adjust characters Text Slice allows you to choose which of the seven pixels you want the Projection Panel to discard Text Slice is ON for only 720 text mode VGA text Text Slice has no effect on characters when Text Mode is OFF Adjust the Text Slice until your characters are solid and fully formed 4 7 8 TEXT MODE The Projection Panel screen area is 640 pixels wide Text that extends beyond 640 pixels may be either compressed or truncated When text or graphics is compressed it is tightly spaced to fit the display screen Truncated text or graphics is not respaced to fit the display rather anything beyond the right edge of the screen d
3. 0 Sync 4 3 2 RESET The master reset function holding down the Shift button and pressing Reset returns the display settings Position Sync Palette Reverse and Level for the video mode being displayed to factory defaults The Reset function does not affect Tracking Text Mode Text Slice Tint Contrast or EGA mode unless the menu is showing on the screen If the menu is displayed all display settings and menu items including the color bars are reset to factory default values a OO A CHAPTER 4 Operation reset shift clear OO Fig 4 11 Reset 4 3 3 PALETTE Pressing the Palette button selects the displayed color palette size This button allows you to switch between 8 color and 16 color displays on the Real Color Panel and select one of seven color to greyshade mappings on the Monochrome panel palette shift reverse OO Fig 4 12 Palette 4 3 4 LEVEL UP AND LEVEL DOWN The Level button adjusts the color mapping to compensate for computer to computer differences Just as colors look different on different monitors there will always be some color differences between the monitor and the Projection Panel If the color match between the monitor and the Projection Panel is not satisfactory the level can be adjusted to change the mapping It is important however to ensure that the Tint or Contrast is set correctly prior to adjusting the level Level Up or Level Down increa
4. 020 mean satnceaaetaed suas ioceeanaae ica teadarnenastactismseaainte stapes msocauineatoanestmnace 5 Ar Deis eis belie rt 5 2 2 SOMPPI Container Conten iS essececccesss stan simian cet innesupaeysassseeliedeiestadetass 6 2 3 General Guidelines a ccsccascecdacsecrocatsaeseccotneseosnacessevedenesreiaseetedsesenenonnestoss 7 SMMIo e inem RET 8 Dil Semp eimi HON tr 8 3 2 Connecting the Projection Panel to a Desktop Computer 12 3 3 Connecting the Projection Panel to an IBM PC Compatible Laptop GODIDUHIGT aceto teE eite en aiies i iei 13 3 4 Connecting the Projection Panel to a Macintosh BD SSC ODIDUIESE A eques dedecus taste mE MM abe DNUS 14 wor 15 d adjusting the Projection Panel esa vmaserin stet estsuvt aa kcupa bua bo o unseen 15 4 2 Non Shift Control Button EUDICtIODS neon osea oe erst RSS bn exer etr RUn Pas 17 4 3 Shift Activated Control Button Functions eei oo et ertet etes to epeses I9 4 4 Using the Control Buttons to Make Adjustments 22 MEL gu m A 22 40 LOVING Throuth the User MenUssurisesairasiernes narcis 24 4 7 Adjusting a Menu Option ssssssesesseesesesssesseresssessresssesseresssesseessseeseressees 24 5 Maintenance and Troubleshooting 2s RUM IDEE MM muU MEE UD M EE 28 ol Cleaning the Display DUE OE oque te ep waistcoat quU 28 5 2 Cleaning the Projection Panel Filter epos ieie oo tui pur UP b n Egone Hos 28 wa Lroubleshoonno Gide cr tetce
5. E EGA 7 10 18 21 26 MCGA 10 24 MS DOS 38 R RGB 7 V VGA 7 10 13 18 22 24 26 28 BLACK BOX Copyright 1993 Black Box Corporation All rights reserved 1000 Park Drive Lawrence PA 15055 1018 724 746 5500 Fax 724 746 0746
6. ND MONOCHROME 16 LCD PROJECTION PANELS C Special Guidelines for IBM and Compatibles C 1 IBM Computers with Two Display Cards If your computer has both a color and monochrome display you may need to turn on the color card Because your computer will only display on one monitor at a time you need to ensure that the color display is on when using the Projection Panel You can do this in a variety of ways Some computers require special commands other than MS DOS commands The best reference for finding these commands is your computer manual See Section C 2 for instructions on how to setup a color or monochrome display For most IBM and IBM compatibles 1 Follow the instructions for setting up the Projection Panel 2 Insert your MS DOS disk in drive A Skip this step if you have a hard drive 3 When the DOS prompt appears type MODE COS80 CO for color the number 80 for 80 columns 4 The color card should be activated If you have a monochrome monitor and want to switch back at the DOS prompt type MODE MONO The Projection Panel will go off and your monochrome monitor will come on APPENDIX C Special Guidelines for IBM and Compatibles C 2 Instructions for Activating Portables and Laptops Refer to Table C 1 for commands to activate or de activate the Projection Panel Table C 1 Portable and Laptop Activation Chart Computer Activate Port De activate Video Model Comma
7. anted random patterns that may have appeared on the screen outside the image area In some cases positioning the image will leave a trail of data Use the Clear button to remove this unwanted data You may also use this control to blank the screen by clearing the test pattern to all black or all yellow Disconnect the video signal to bring up the test pattern and press Clear Background color depends on the state of Reverse Pressing Clear again will restore the screen CHAPTER 4 Operation reset palette clear reverse Fig 4 7 Clear Fig 4 8 Reverse 4 2 REVERSE 4 3 Shift Activated Control Button Functions If you wish to reverse the way you see an image light letters on a dark background or dark letters on a light background press the Reverse button Pressing it again causes the display to return to the original image All colors will be switched with their complements See Appendix A for more infor mation on working with colors The functions shown on the operating control panel in blue letters are activated when the Shift button is held down while a command button is pushed REAL COLOR AND MONOCHROME 16 LCD PROJECTION PANELS Fig 4 9 Holding Down Shift and Pushing a Command Button 4 3 1 SYNC Each time Sync is pushed it fine tunes the Projection Panel to match signals from the graphics system Sync continuously cycles backward through all 16 positions sync shift sync o0 Fig 4 1
8. arty responsible for compliance could void the user s authority to operate the equipment This digital apparatus does not exceed the Class A limits for Radio noise emission from digital apparatus set out in the Radio Interference Regulation of Industry Canada Le pr sent appareil num rique n met pas de bruits radio lectriques d passant les limites applicables aux appareils num riques de la classe A prescrites dans le R glement sur le brouillage radio lectrique dict par Industrie Canada REAL COLOR AND MONOCHROME 16 LCD PROJECTION PANELS TRADEMARKS UL is a registered trademark of Underwriters Laboratories Incorporated Macintosh and Apple are registered trademarks of Apple Computer Inc IBM and PS 2 are registered trademarks of IBM Corporation MS DOS is a registered trademark of Microsoft Corporation Compaq is a registered trademark of Compaq Computer Corporation Dell is a registered trademark of Dell Corporation Epson is a registered trademark of Seiko Epson C orporation Sharp is a registered trademark of Sharp Corporation Toshiba is a registered trademark of Toshiba Corporation Zenith is a registered trademark of Zenith Electronics Corporation Any other trademarks mentioned in this manual are acknowledged to be the property of the trademark owners REAL COLOR AND MONOCHROME 16 LCD PROJECTION PANELS Contents Chapter Page I jer CUE CALA 6 1 M D ee eee ee E er 4 2 IDEROC CHOU 2
9. ation 3 1 Setup Instructions This chapter explains the connections you must make between the three pieces of equipment you will be using the Projection Panel your computer and monitor Be sure to follow the instructions for your type of computer Fig 3 1 Projection Panel and Overhead Projector Showing Cable Connections CHAPTER 3 Installation 3 1 1 CABLES The cables that come with your Three cables are supplied with the Projection Panel are used to connect Projection Panel the computer s video port to the Projection Panel and the monitor 1 A Macintosh II Macintosh Each of the three cables has a 26 pin LC Apple IIGS loop through connector for the Projection Panel cable a connector matching the video card and a connector for the monitor 2 A VGA MCGA loop through The Projection Panel receives the cable computer s signals amplifies the signals and sends them out to the 3 A loop through cable for EGA monitor CGA or Macintosh video 15 pin Macll 15 pin VGA 9 pin VGA Fig 3 2 Cables REAL COLOR AND MONOCHROME 16 LCD PROJECTION PANEL 3 1 2 CONNECTING THE PROJECTION PANEL TO YOUR COMPUTER You are going to make eithertwo or three connections You will connect the computer s graphics card to the Projection Panel the Projection Panel to the wall outlet with the power supply and optionally the Projection Panel to the computer s monitor The steps you need to follow are given in Se
10. ction 3 1 3 Illustrations on the pages following the steps show the cable connections for your configuration 3 1 3 SETTING UP THE PROJECTION PANEL FOR PROJECTION To set up the Projection Panel for projection follow these steps 1 Set up your overhead projector and plug it into the wall outlet Turn it on to be sure it is working properly and position it so it projects onto the screen 2 Place the Projection Panel on the overhead projector so the connectors and controls are on the right side of the projector as you face the front of the projector 3 Connect power to the Projection Panel but do not connecta video signal yet This will bring up a test pattern Move the Projection Panel on the projector until the lines are solid rather than rainbows Adjust the tint for the best color saturation or the contrast for the best greyscale CHAPTER 3 Installation Computer Cable IBM or compatible 15 pin with VGA Graphics Card or IBM PS 2 with built in VGA or MCGA Graphics IBM or Compatible 9 pin with EGA or CGA Graphics Card or Classic Style Macintosh Macintosh II Series or 15 pin Macintsoh LC Apple IIGS Looks like Fig 3 3 Selecting the Proper Y Cable for Your Computer Refer to Appendix A for additional important information on how to properly place a Projection Panel on an overhead projector 4 Follow the instructions in this table to select the proper Y cable for your comp
11. e BLACK BOX BBEREHEREEEETEHE E EIE E EHE E TE SEPTEMBER 1993 AC400A AC401A Real Color 16 LCD Projection Panel Monochrome 16 LCD Projection Panel aaa ee Ss Se ee ee es ee ee a S s es ese E CUSTOMER Order toll free in the U S 24 hours 7 A M Monday to midnight Friday 877 877 BBOX SUPPORT FREE technical support 24 hours a day 7 days a week Call 724 746 5500 or fax 724 746 0746 INFORMATION Mail order Black Box Corporation 1000 Park Drive Lawrence PA 15055 1018 Web site www blackbox com E mail info blackbox com REAL COLOR AND MONOCHROME 16 LCD PROJECTION PANELS FEDERAL COMMUNICATIONS COMMISSION RADIO FREQUENCY INTERFERENCE STATEMENT This equipment generates uses and can radiate radio frequency energy and if not installed and used properly that is in strict accordance with the manufacturer s instructions may cause interference to radio communication It has been tested and found to comply with the limits for a Class A computing device in accordance with the specifications in Subpart J of Part 15 of FCC rules which are designed to provide reasonable protection against such interference when the equipment is operated in a commercial environment Operation of this equipment in a residential area is likely to cause interference in which case the user at his own expense will be required to take whatever measures may be necessary to correct the interference Changes or modifications not expressly approved by the p
12. e color of your image or text for the best viewing Tint or contrast is easiest to adjust with an image that contains large areas of different color or greyscale 2 Move the image on the screen with the Position Up Down Left and Right buttons until itis centered 3 Focus the overhead projector until the image is crisp and clear NOTE The Projection Panel must be placed correctly on the overhead projector Incorrect placement may cause the Projection Panel to project blurry or mis converged images For more infor mation see Appendix A 4 Press Sync until the image is locked in as a solid image with no shimmer or movement This button toggles through the present settings to the specific computer graphics type Press Sync until you achieve the best image For VGA MCGA and Macintosh II you may need to hold down Shift and press Level Up or Level Down to choose the best color matching For best results when adjusting the level display an image that has a wide range of colors For VGA text display you may need to adjust the Text Mode if the text characters are jagged or shimmering CHAPTER 4 Operation 6 If your computer is one of the standard supported systems your image should be fully adjusted at this point However if your computer is any other type you may see evenly spaced fuzzy vertical lines or text may appear to be too wide or too narrow for the screen To correct this problem go to t
13. eat buttons that is pressing and holding these buttons causes them to constantly send instructions Tint Contrast and Level buttons are still active when in Menu Mode 4 7 Adjusting a Menu Option Use the Position Up and Down control buttons to adjust menu options These keys auto repeat Pressing Shift RESET when the menu is showing resets all menu items including the color adjustments to factory default values O CHAPTER 4 Operation If the colors still need adjustment follow these steps and use the red and green adjustments to fine tune the panel 1 Move the green bar down until you have a rich red and a solid black 2 Move the red bar down until you have a rich true green If cyan turns green the green bar turns brown and the white turns magenta you have moved the bar too far down 3 If your white is magenta tinted drop the red bar down a few steps until it is white but not so far that the black turns red White and black however are always going to be slightly reddish 4 7 2 EGA 64 For the True Color Panel EGA 64 may affect the color brown on some EGA systems and some VGA systems when in EGA mode If your brown is displaying as light red turn on the EGA 64 setting For the Monochrome Panel EGA 64 may allow you to get all 16 shades of grey instead of 15 shades Default value is OFF 4 7 3 TRACKING The Tracking adjustment bar allows you to match the Projection Panel s i
14. er systems CGA EGA VGA PS 2 and Macintosh series However each individual video card varies slightly V from others Fig 4 2 Tint True Color sync 4 2 CONTRAST MONOICHROME sync The Contrast key allows the user to adjust the brightness of the displayed image for optimum viewing Contrast Up increases the perceived brightness of all shades equally while Contrast Down decreases the brightness of all shades equally There are 64 contrast levels available Fig 4 4 Sync REAL COLOR AND MONOCHROME 16 LCD PROJECTION PANELS Projected characters or graphics may appear to shimmer because of differences in signal outputs of some computers Press the Sync button until projected characters lock into position and shimmering is eliminated Each time Sync is pushed it fine tunes the Projection Panel to match signals from the graphics system Sync continuously cycles forward through all 16 positions press sync to cycle back to a good sync position 4 2 4 POSITION UP OR DOWN Press the up or down position button to center the image vertically on the screen This button auto repeats position V Fig 4 5 Position Up or Down 4 2 5 POSITION LEFT OR RIGHT Press the up or down position button to center the image horizontally on the screen This button auto repeats menu position Fig 4 6 Position Left or Right 4 2 6 CLEAR Pressing the Clear button cleans any unw
15. etct airn E eass te haber ceages 29 Appendix A Working With Colors AC400A only eee 32 Appendix B Tierlice Keguire men NE emer err eer ee me enone 33 D L Tower Connector POlATIC sesssisaseressdigeowonecnccsnurssansnsncensbentantenanssigacanntbeds 34 D CT UL 2e Oc cores tatic stags E sand on Debecs Edel ctor De bditc oqen dun Depie pe 34 Appendix C Special Guidelines for IBM and Compatibles 36 C 1 IBM Computers with Two Display Cards esee 36 C 2 Instructions for Activating Portables and Laptops 37 nn REAL COLOR AND MONOCHROME 16 LCD PROJECTION PANELS 1 Specifications Resolution 640 x 480 Power UI approved 12 VDC 1 5A power supply Size 15 3 H x 13 1 W x 2 6 D 38 9 x 33 3 x 6 6 cm Weight 5 9 Ib 2 7 kg CHAPTER 2 Introduction 2 Introduction 2 1 Description For remarkably impressive presentations use the Real Color or Monochrome 16 LCD Projection Panel The Panel which projects 16 real colors or 16 shades of grey delivers the computer compatibility and ease of use you never thought possible in an LCD projection panel Fig 2 1 illustrates the Panel coupled with an overhead projector Fig 2 1 The Projection Panel on an Overhead Projector REAL COLOR AND MONOCHROME 16 LCD PROJECTION PANELS The Projection Panel is easy to use Simply connect the Panel toa compute
16. he User Menu press the Menu control button and adjust the tracking 7 You may want to press Reverse to select either light characters on a dark background or dark characters on a light background Use the setting which best suits your graphics or text 8 To restore factory set default values hold down Shift and press Reset while the menu is being displayed 4 5 User Menu Pressing the Menu control button displays the User Menu on your computer s monitor The User Menu allows you to change the color balance adjust the tracking and control how information is displayed REAL COLOR AND MONOCHROME 16 LCD PROJECTION PANELS NO VIDEO RED GRN TRACK Level TRACK 800 LANGUAGE ENGLISH HORZ 15 3 REAR PROJECT OFF VERT 60 TEXT SLICE 1 MODE 15 TEXT MODE ON EGA 64 OFF Fig 4 15 Projection Panel Menu 4 6 Moving Through the User Menu 4 7 1 CoLor BALANCE TRUE COLOR ONLY Adjust the Tint control to get the best colors Black and white will always have a reddish tint If the colors still need adjustment display the menu by pressing Shift Menu If you press Shift Reset when the menu is displayed the color balance will be reset to its factory default values Resetting to default and slightly adjusting the Tint control may be enough to improve the colors After you display the User Menu use the Position control buttons left and right to move within and between option columns These keys are auto rep
17. he Real Color 16 LCD Projection Panel AC400A is designed to be scratch and dent resistant However you should avoid scratching it with sharp metal objects The Monochrome 16 LCD Projection Panel AC401A surface is made of glass and you should follow the instructions in step 2 front of the Projection Panel catches dust particles before they get into the Projection Panel You need to routinely clean the filter To clean the filter follow these steps Unsnap the fan cover CHAPTER 5 Maintenance and Troubleshooting Filter Fig 5 1 The Projection Panel Filter 2 Gently remove the filter and clean it by washing it in gentle soap Be sure to let the filter dry completely before re inserting it in the Projection Panel The frequency with which you will need to clean the filter depends on how often you use the Panel Typically you will need to clean the filter approximately once every three to six months or when the Projection Panel overheats from a clogged filter 5 3 Troubleshooting Guide Before calling Technical Support for assistance attempt to solve the problem by checking this troubleshooting guide Problem Nothing on screen Possible Causes and Solutions e You may not have any power or you may be using the wrong power supply Check to see that the proper Projection Panel power supply is being used with the Projection Panel REAL COLOR AND MONOCHROME 16 LCD PROJECTION PANELS e
18. isplay is not shown re Selecting ON for the Text Mode locks VGA text to solid pixels no shimmering CGA graphics however may be compressed Unless you regularly project CGA graphics with the Projection Panel text mode should be set to ON Text Mode works only when text is present For example this mode works in VGA text but not in VGA graphics You are now ready to begin a presentation Now that the Projection Panel is properly connected and you have adjusted the image on the screen you are ready to begin projecting your computer data and graphics The projected images will be live from your computer and change as you change the computer data REAL COLOR AND MONOCHROME 16 LCD PROJECTION PANELS 5 Maintenance and Troubleshooting The information in this chapter 2 If the surface needs cleaning is a guide to the cleaning and you can use any normal non maintenance of your Projection abrasive glass cleaner on it Panel as well as to locating and Apply the cleaner to a cleaning solving possible problems cloth and then wipe the surface lightly Do not use excessive amounts of liquid Do not use 5 1 Cleaning the Display Surface abrasive cleaners solvents or 1 Handle the Projection Panel other harsh chemicals as you would anything made of glass Be especially careful not 5 2 Cleaning the Projection Panel to drop it Filter The hardened polymer surface The filter which is located at the of t
19. nd Command Standard Compaq portable II Ctrl Alt lt Ctrl Alt gt Compaq portable III Ctrl Alt Ctrl Alt gt Compaq SLT Ctrl Alt Ctrl Alt gt Compaq LTE 286 Ctrl Alt Ctrl Alt gt Epson LT Switch for CRT Switch for LCD CGA On Epson 286e Switch for CRT On Gridcase 1200 series Active port Gridcase 1400 series Ctrl Alt Tab Ctrl Alt Tab Gridcase 1520 Ctrl Alt Tab Ctrl Alt Tab Gridcase 1530 Ctrl Alt Tab Ctrl Alt Tab Gridcase 1535 EXP Ctrl Alt Tab Ctrl Alt Tab BM P70 386 Active Por Mitsubishi Sw2 on off off off Sw2 off on on o Packard Bell PB286LT Fn F10 Fn F10 Sharp PC 5541 Switch for CRT for LCD Toshiba 1000 Fn End Fn Home Toshiba 1100 Ctrl Alt End Ctrl Alt Home Toshiba 1200 1600 Fn End Fn Home Toshiba 3100 Ctrl Alt End Ctrl Alt Home REAL COLOR AND MONCHROME 16 LCD PROJECTION PANELS Table C 1 continued Portable and Laptop Activation Chart Computer Activate Port De activate Video Model Command Command Standard Toshiba 3100 e Ctrl Alt End Ctrl Alt Home Toshiba 3100sx Active Port N A Toshiba 3200sx Active Port N A Toshiba 3200 Fn End Fn Home Toshiba 5100 Ctrl Alt End Ctrl Alt Home Toshiba 5100 100 Active Port N A Toshiba 5200 Active Port N A Toshiba 5100 100 Active Port N A Zenith 128 170 180 183 184 Supersport Zenith Supersport 286e Fn F10 Supersport sx Supersport Numbers 512x342 pixels 15 640 by 480 pixels 36 640x480 pixel display 7 C CGA 7 10 18 28
20. nternal clock to the different computer graphics signals Using tracking allows the Projection Panel to project crisp images from a range of computer graphics systems There are 64 tracking levels You need to adjust the tracking if the display shows evenly spaced fuzzy vertical lines or if the projected image is too wide or too narrow for the screen Move the tracking bar down lower numbers to make the image look narrower Move the tracking bar up higher numbers to make the image look wider The default Track value is shown with the Video Information As you move the Tracking adjustment bar up or down the Track value changes Move the Tracking adjustment bar up or down until the fuzzy lines move apart on the screen or disappear or the text fits the screen The ideal is to have no bars visible and all the projected text or graphics on the screen REAL COLOR AND MONOCHROME 16 LCD PROJECTION PANELS MU Fig 4 16 Tracking 4 7 4 VIDEO NO VIDEO The Video column provides information about the current video input If video is not present the User Menu displays No Video with no Horizontal or Mode information and the test pattern or blank screen visible in the image area The Video information column shows the tracking setting described previously the horizontal sync frequency and polarity HORZ the vertical sync frequency and polarity VERT and the video mode number MODE These values except for
21. ommands Projection Panel to a The short end of the loop through Macintosh laptop Serious cable is not connected in this damage to the computer or installation Projection Panel could result nn Hi REAL COLOR AND MONOCHROME 16 LCD PROJECTION PANEL 3 4 renim the Projection Panel to a Macintosh Series Computer Figure 3 6 shows how to connect the Projection Panel to a Macintosh series computer Fig 3 6 Macintosh Series Computer Because classic style Macintosh computers do not have a video connector you must install an internal adapter The Macintosh 128 512 and Plus require an A10 adapter The SE and SE 30 require an A20 The Macintosh Classic requires an A21 Call your dealer for more information Note that the short end of the loop through cable is not connected in this installation nu o AI OP O 3 NOTE Because the SE and Plus models of the Macintosh computer only display in monochrome at a resolution of 512x342 pixels a Real Color 16 LCD Projection Panel connected to one of these models will only project monochrome and will not fill the entire Projection Panel screen 4 Operation 4 1 Adjusting the Projection Panel pam or ISO e repeat buttons that is pressing and At this point bring up the software holding these buttons causes them you want to project You should be to constantly send instructions projecting an image on the screen Other buttons toggle through a This section
22. r graphics card and place the unit onto an ordinary overhead projector The data and graphics normally displayed on the computer monitor will be projected in images that you can easily see in typical room lighting The Projection Panel has a temperature regulating fan which works with the heat producing overhead projector to hold the liquid crystal display LCD to the optimum temperature You can use the Projection Panel on a wide range of overhead projectors rated up to 650 watts The Projection Panel with a 640x480 pixel display is compatible with the Macintosh series and Macintosh II series with Apple IIGS RGB with IBM PC and compatibles in CGA EGA and VGA modes and with the IBM PS 2 with VGA or CGA 2 2 Shipping Container Contents The components shown in Fig 2 2 are included with the Projection Panel 1 Projection Panel 2 This User Manual 3 12 volt power supply 4 6 15 pin Mac II LC Apple IIgs 5 15 pin VGA If any pieces are missing when you first open the box contact Black Box immediately Fig 2 2 The Projection Panel and Included Components CHAPTER 2 Introduction 2 3 General Guidelines e Handle the Projection Panel as I you would anything made of Follow these guidelines when you glass Be especially careful not use the Projection Panel to drop it De sure the Projection Panel e You can easily clean the is on whenever the overhead Projection Panel with standard projecto
23. r is turned on non abrasive glass cleaner Apply the cleaner to the cleaning cloth CAUTION and then wipe the glass surface lightly Do not use excessive amounts of liquid or pressure on the top or bottom optical panels If the Projection Panel is not on when it is on top of an operating overhead pro jector the Panel could sustain damage e Avoid scratching the Projection Panel surface with sharp metal Do not use the Projection Panel objects The top surface is made for extended periods of time on of glass or a scratch resistant an overhead projector known for hardened polymer If you need discoloring or melting standard to clean the surface use normal transparencies glass cleaner solution Do not use abrasive cleaners solvents e When you use the Panel with a or other harsh chemicals high wattage projector or if you notice extreme discoloration of Avoid leaving the Projection the Panel periodically remove Panel in direct sunlight or the Panel from the overhead extreme cold for extended projector to allow it to cool periods of time e The bottom of the Panel can become very hot to the touch after use Be careful to let the Panel cool before lifting it e Do not block the Projection Panel fan or free air movement under and around the Panel Air flows from back to front e Turn the overhead projector off and unplug the Projection Panel when not in use REAL COLOR AND MONOCHROME 16 LCD PROJECTION PANEL 3 Install
24. ses your flexibility by allowing you to choose which tones of color greyscale will be projected Pressing Level Up increases the limits of the range of tone which will be depicted by that color Pressing Level Down will cause a smaller band of tone to be depicted as a given color There are 64 steps The level controls operate only on analog video signals such as those from VGA MCGA or Macintosh II display systems REAL COLOR AND MONOCHROME 16 LCD PROJECTION PANELS level tint shift Cy V Fig 4 13 Level Up and Level Down 4 3 5 MENU Pressing the Menu control displays the User Menu which allows you to adjust the initial color balance and tracking change the text mode and language and flip the projection image The User Menu also provides information about the video input After you display the User Menu use the Position control buttons to move within and between menu options and the Position or V to change an option For information about the User Menu see the section later in this chapter Shift Menu either button moves you in or out of menu mode menu shift position OK gt Fig 4 14 Menu 4 4 Using the Control Buttons to Make Adjustments Now that you have reviewed the functions of each of the control buttons here is the order in which you use them to achieve the best possible projected image 1 Press the Tint or Contrast buttons up or down to change th
25. sor GND GND Hercules REAL COLOR AND MONOCHROME 16 LCD PROJECTION PANELS B 1 Power Connector Polarity The power connector on your Projection Panel uses the polarity shown in Fig B 1 OQ 9 0G Fig B 1 Power Connector Polarity The Projection Panel is shipped with a 12 Volt 1 5 Amp power supply designed to work specifically with the Projection Panel Many portable computers and peripherals use similar looking power supplies CAUTION Do not substitute other power supplies You could damage the Projection Panel To double check look for the label on the Projection Panel power supply B 2 Screen Area The Projection Panel s screen is 640 by 480 pixels Pixels are tiny rectangular dots that are turned on and off by the computer to create images Various computer monitors have different pixel dimensions Depending on the computer s resolution the images may not fill the entire screen Fig B 2 represents the Macintosh display Table B 2 lists several common computer monitors and their screen areas APPENDIX B Interface Requirements 640 pixels 512 pixels s oxid Zye sjexid O8r Fig B 2 Macintosh Display Table B 2 Common Computer Monitors and Their Screen Areas Computer Monitor Projection Panel Screen Area AT amp T CGA 640 x 400 pixels EGA 640 x 350 pixels Macintosh 512 x 342 pixels Macintosh Il VGA 640 x 480 pixels Macintosh LC 512 x 384 pixels REAL COLOR A
26. tible graphics card and the computer s external video card has been turned on Problem Image is too wide or narrow for screen Possible Causes and Solutions e You may need to adjust the tracking to reduce or enlarge the projected image e Check to see that your computer is using a compatible graphics card e You may be using a high resolution display card Make sure your computer is compatible Change the resolution if you can E CHAPTER 5 Maintenance and Troubleshooting Problem Image is out of focus Possible Causes and Solutions e Overhead is not adjusted correctly Adjust overhead until image is in focus e The surface of the Projection Panel or overhead projector may need cleaning Problem Vertical lines or bleeding Possible Causes and Solutions e Adjust tint to minimize vertical lines or bleeding from around projected boxes or borders Problem The projected colors do not match the monitor Possible Causes and Solutions e Adjust the level and or tint controls However just as there are differences in the displays of different monitors there will always be some differences between the computer screen and the projected image REAL COLOR AND MONOCHROME 16 LCD PROJECTION PANELS A Working With Colors ACAOOA only NOTE This appendix applies only to the Real Color 16 LCD Projection Panel AC400A Convergence Color alignment on a screen is kno
27. uter 5 Connect the 26 pin end marked LCD of the Y cable to the Projection Panel NOTE Skip step 6 if you are connecting to a classic style Macintosh 6 Unplug the computer monitor cable from the graphics card Plug the monitor to the short end marked Monitor of the Projection Panel cable to the computer monitor 7 Plug the long end of the Projection Panel cable marked for the appropriate computer to the computer s video port 8 Tighten the thumb screws on the cable connectors to ensure proper grounding REAL COLOR AND MONOCHROME 16 LCD PROJECTION PANEL 3 2 Connecting the Projection Panel to a Desktop Computer Figure 3 4 shows how to connect the Projection Panel to typical desktop computers which include CGA EGA VGA Macintosh II and Macintosh LC setups All cables are labeled for example LCD Monitor VGA etc to indicate where they connect Fig 3 4 Desktop Computer with a Y Cable CHAPTER 3 Installation 3 3 Connecting the Projection Panel to an IBM PC Compatible Laptop Computer Figure 3 5 shows a typical laptop installation Fig 3 5 Typical Laptop Installation When the external port is CAUTION activated many laptop computers automatically turn off their internal display For more information see The Projection Panel is not compatible with the Macintosh laptop Do not Appendix C or your computer attempt to connect the manual for typical laptop c
28. will show you how to fixed number of settings and require adjust the Projection Panel to get you to press the button each time to clear crisp images You can adjust trigger the next setting the Projection Panel using the 10 function keypad 4 1 1 GONTROL BUTTON FUNCTIONS There are ten operating control buttons on the Projection Panel A SHIFT button located in the lower left corner allows several of these buttons to have a dual function non shift functions are printed in gray shift functions are in blue Six of the buttons are combined as dual action switches REAL COLOR AND MONOCHROME 16 LCD PROJECTION PANELS position V menu position Fig 4 1 Projection Panel Keypad Table 4 1 Non Shift and Shift Keys NON SHIFT KEYS Tint up down Level up down Contrast up down Sync Sync Position up down Position left right Menu toggle Clear Heset Heverse Palette CHAPTER 4 Operation 4 2 Non Shift Control Buttons To activate one of the non shift level buttons printed in grey on the conirast operating control panel just press the button A 4 2 1 TINT TRUE COLOR Press the Tint key to adjust the color The Tint Up key adds red and green MV to the image Blue levels are affected by a mix of red and green Fig 4 3 Contrast Monochrome level 4 2 3 SYNC tint The Projection Panel has been calibrated to automatically match VAN signals sent by specific comput
29. wn as convergence Colors that are aligned correctly pixel by pixel will produce sharp lines on the screen If the colors do not align correctly objects on the screen will seem to have multi colored shadows Poor color convergence or misconvergence then creates blurred images which can cause eye strain You can adjust convergence by positioning the Projection Panel on an overhead projector To adjust the convergence follow these steps 1 Apply power to the Projection Panel but do not connecta video cable to it Place the Projection Panel on your projector and turn the projector on A test pattern consisting of a series of color bars and a line grid should appear Looking at the projection screen move the Projection Panel around on the projector until all lines both horizontal and vertical are solid As you move the Projection Panel around you will see the lines split apart from single dark lines to rainbow colored lines Position the Projection Panel on the spot at which the lines are the most converged APPENDIX B Interface Requirements B Interface Requirements The Projection Panel is equipped with a 26 pin connector Table B 1 shows the pin assignments for the 26 pin connector Table B 1 Pin Assignments for the 26 pin connector Vertical sync Horizontal sync Blue analog Intensity TTL Green TTL Red analog Blue TTL Red TTL Green analog GND GND Key T TL analog sen
Download Pdf Manuals
Related Search