Video to VGA Converter/Switch
Contents
1. NOTE The VGA input and out connectors have standard pin outs as shown below High Density 15 pin VGA Output Connector PIN Function Red Green Blue Not Used Gnd Red Return Gnd Green Return Gnd Blue Return Gnd Key Not Used Gnd Gnd SDA plug n play Horizontal Sync 1 2 3 4 5 6 7 8 9 Rh ee ee WN nm Vertical Sync SCL plug n play un Table 2 1 3 Operation Upon plugging in the power the unit performs a self test and selects the video input that was previously selected If the unit was in Auto mode prior to shut down then it will come up in auto mode To select an input simply press the push button on the front of the unit corresponding to that input Corresponding LED indicates the selected input Alternatively the AC135A R2 can be controlled by the serial RS232 port from any computer or RS 232 device see details in following section If the VGA input is selected then the unit buffers the signal and passes it to the output without modification If the input is from one of the 3 NTSC or PAL channels the unit automatically converts the signal to VGA Line doubling and image processing via digital filtering do the conversion The output signal preserves the entire information contained in the TV input signal and also improves the way it appears on the screen by line doubling de interlaced The output resolution during conversion is 640x480 for NTSC Systems and 768x572. base correction output jittery and unstable video signal timing especially in FF or PAUSE modes however the AC135A R2 performs the conversion to VGA regardless Some VGA monitors or LCD s may not be able to handle the instability in refresh rate and may lose the image lock periodically If this occurs the solution is to use a different VCR with time base correction TBC change the monitor to a different brand model or use a time base corrector or sync stabilizer If you want to substitute power supplies The universal power supply that comes with the AC135A R2 generates 6v DC output Do not apply a DC voltage higher thatn 7 5 V to the unit Calling Black Box If you determine that your converter is malfunctioning do not attempt to repair the unit Contact Black Box Tech Support at 724 746 5500 Before you do make a record of the history of the problem We will be able to provide more efficient and accurate assistance if you have a complete description including The nature and duration of the problem The components involved in the problem that is what type of cable makes and models of computers and monitors etc Shipping and Packaging If you need to transport or ship your converter Package it carefully We recommend that you use the original container Before you ship the unit back to Black Box for repair or return contact us to get a Return Authorization RA number MA Video to VGA Converte
3. 6 for PAL Almost all VGA monitors and LCD s today should automatically size the image to perfectly fit the screen The Enhancement switch on the front panel applies the level of gamma correction previously defined via the Serial control Default level is 1 The audio selection follows the video input signal If the line level volume of the input is different between your sources for example if ooo MW Video to VGA Converter Switch the DVD player has louder output than the VCR you can balance equalize the volume settings using the serial input control so that when you switch from one input to another the output volume level stays the same Special Front Panel Operations a To enter the Auto mode from the front panel press the left two switches VGA and CV1 simultaneously for 1 second In auto mode if there are no TV inputs the unit selects the PC input As soon as it detects a valid TV input on any of the video inputs the ACI35A R2 switches to the TV input The TV inputs have priority over the VGA input from the PC there is no priority structure among TV inputs as soon as a valid TV signal is found on CV1 CV2 or S Video the unit selects it and stays on it as long as the video signal is present a To reset the system to factory default settings press the left and right switches VGA and S Video simultaneously for 3 seconds The system will reset to factory settings This capability is available even if the fron
4. Switch Normas Oficiales Mexicanas NOM Electrical Safety Statement INSTRUCCIONES DE SEGURIDAD 1 Todas las instrucciones de seguridad y operaci n deber n ser le das antes de que el aparato el ctrico sea operado 2 Las instrucciones de seguridad y operaci n deber n ser guardadas para referencia futura 3 Todas las advertencias en el aparato el ctrico y en sus instrucciones de operaci n deben ser respetadas 4 Todas las instrucciones de operaci n y uso deben ser seguidas 5 Elaparato el ctrico no deber ser usado cerca del agua por ejemplo cerca de la tina de ba o lavabo s tano mojado o cerca de una alberca etc 6 El aparato el ctrico debe ser usado nicamente con carritos o pedestales que sean recomendados por el fabricante 7 El aparato el ctrico debe ser montado a la pared o al techo s lo como sea recomendado por el fabricante 8 Servicio El usuario no debe intentar dar servicio al equipo el ctrico m s all a lo descrito en las instrucciones de operaci n Todo otro servicio deber ser referido a personal de servicio calificado 9 El aparato el ctrico debe ser situado de tal manera que su posici n no interfiera su uso La colocaci n del aparato el ctrico sobre una cama sof alfombra o superficie similar puede bloquea la ventilaci n no se debe colocar en libreros o gabinetes que impidan el flujo de aire por los orificios de ventilaci n 10 El equipo el ctrico deber ser situado
5. W BLACK BOX NETWORK SERVICES Video to VGA Converter Switch With Audio RS 232 Control and PC VGA input SF SA AS PEASE SAR NOR Comer sn eo iS June 2004 AC135A R2 L VES CE E RE E E IE VE VE CE CE VS o oo LLL LLL LLL LL TL TTL TTLLTTTTTII Order toll free in the U S 24 hours 7 A M Monday to midnight Friday 877 877 BBOX FREE technical support 24 hours a day 7 days a week Call 724 746 5500 or fax 724 746 0746 CUSTOMER SUPPORT INFORMATION Mail order Black Box Corporation 1000 Park Drive Lawrence PA 15055 1018 Web site www blackbox com E mail info blackbox com Video to VGA Converter Switch TRADEMARKS USED IN THIS MANUAL P S BLACK BOX and its logo NY are registered trademarks of Black Box Corporation Apple and Macintosh are registered trademarks of Apple Computer Inc IBM is a registered trademark of International Business Machines Corporation SGI is a registered trademark of Silicon Graphics Inc Sun and Sun Microsystems are registered trademarks of Sun Microsystems Inc in the United States and other countries Any other trademarks mentioned in this manual are acknowledged to be the property of the trademark owners Video to VGA Converter Switch FEDERAL COMMUNICATIONS COMMISSION AND CANADIAN DEPARTMENT OF COMMUNICATIONS RADIO FREQUENCY INTERFERENCE STATEMENTS This equipment generates uses and can radiate radio frequenc
6. fuera del alcance de fuentes de calor como radiadores registros de calor estufas u otros aparatos incluyendo amplificadores que producen calor O MA Video to VGA Converter Switch 11 12 13 14 15 16 17 18 El aparato el ctrico deber ser connectado a una fuente de poder s lo del tipo descrito en el instructivo de operaci n o como se indique en el aparato Precauci n debe ser tomada de tal manera que la tierra fisica y la polarizaci n del equipo no sea eliminada Los cables de la fuente de poder deben ser guiados de tal manera que no sean pisados ni pellizcados por objetos colocados sobre o contra ellos poniendo particular atenci n a los contactos y recept culos donde salen del aparato El equipo el ctrico debe ser limpiado nicamente de acuerdo a las recomendaciones del fabricante En caso de existir una antena externa deber ser localizada lejos de las lineas de energia El cable de corriente deber ser desconectado del cuando el equipo no sea usado por un largo periodo de tiempo Cuidado debe ser tomado de tal manera que objectos liquidos no sean derramados sobre la cubierta u orificios de ventilaci n Servicio por personal calificado deber ser provisto cuando A El cable de poder o el contacto ha sido da ado u B Objectos han ca do o l quido ha sido derramado dentro del aparato o C El aparato ha sido expuesto a la lluvia o D El aparato parece no operar normalmen
7. he system is in Auto mode the installer may wish to also lock the front panel so that accidental hitting of the front panel switches does not take the system out of Auto mode The unit features a front panel switch for enhancing the TV video input prior to display on a VGA monitor The enhancement is based on non linear Gamma correction to bring out the details in the dark areas without over driving the already bright regions of the image The Serial input gives the user or installer full control over all aspects of the device including Contrast Brightness Saturation Hue OSD Front Panel Lock Volume settings Auto mode TV format NTSC PAL Enhancement factor and more The Model AC135A R2 is housed in a compact shielded enclosure and includes a small power adapter and 6 ft video and audio cables for connection to the PC s VGA and sound outputs 1 2 Features 3 NTSC PAL and 1 PC input to one VGA output Eliminates interlace flicker from video presentations Includes line doubler with motion compensations Video enhancement via Gamma factor correction VGA input for full screen TV or PC Video display RS 232 control input port Free Serial Control Software available for download 4 Stereo audio inputs User programmable brightness and contrast for TV input Packaged in portable EMI shielded enclosure VGA input resolutions to 1600 x 1200 Individual volume controls for each audio input Auto mode for switching to active video Fro
8. lable for external control and or changing the internal configuration of the unit The unit has the ability to switch between the PC and TV inputs automatically When in Auto mode if no TV video signal is present it selects the PC input and as soon as a TV input is detected it switches to the TV input by itself This feature makes the unit perfect for educational facilities where the presenter does not even have to worry about making selections on the AC135A R2 The AC135A R2 also provides 4 Stereo audio inputs one for each corresponding video input The audio switching follows the selected video input channel In addition each audio input has its own adjustable volume setting making it perfect for balancing the output volume level regardless of the input selection The AC135A R2 s VGA output can drive VGA extension cables to 200 feet It is recommended that when video extension cables are used only high quality multi coaxial VGA or RGBHV such as Black Box EVNPS05 0050 MF be used ET Video to VGA Converter Switch When enabled OSD On Screen Display shows the selected TV input for a few seconds or if the selected input does not have video it continuously indicates the selected input Screen Saver feature moves the OSD around the screen when no video input is detected The OSD can be permanently disabled via the serial port The front panel can be locked out This is a handy feature in many installations For example if t
9. nt panel and OSD enable disable control o MA Video to VGA Converter Switch 2 Installation 1 Connect one or more of the video and audio input signals to the input connectors on the AC135A R2 Figure 2 1 shows a typical setup Video Conferencing Document Camera Notebook PC VCR or DVD ae AC135A R2 RUIN VGA m LCD Monitor Figure 2 1 Video to VGA Converter Switch 2 The following table summarizes the available inputs VGA IN HD15 Female VGA SVGA From any PC MAC or XGA Notebook A 6 ft high resolution VGA cable is supplied with unit 3 5mm 1 8 Line level One 6 ft m m input cable is Mini Stereo stereo Audio provided for connection to a PC sound output NTSC or PAL Mini Stereo stereo Audio NTSC or PAL 3 5mm 1 8 Line level Mini Stereo stereo Audio Female S VHS 3 5mm 1 8 Line level Mini Stereo stereo Audio AUD IN AUDIN AUDIN AUD IN AUD OUT D o 666 O E et em S a Kay e So VGA IN CVIN1 CVIN2 S VID IN VGA A OUT Figure 2 2 The output connectors are a HD15 F VGA and a 3 5mm 18 Mini Stereo audio Plug your VGA monitor and speakers must be powered to these connectors o MA Video to VGA Converter Switch 3 Plug the supplied AC adapter to the Power input connector Use the supplied adapter or a 10046 equivalent only NOTE Do not connect a supply with an output voltage of greater than 7 5 V DC to the unit The power connector is center positive
10. r Switch Compliance Standards Interfaces Supported Video Types Bandwidth Video Level Connectors Temperature Tolerance Enclosure MTBF Power Size Weight 6 Specifications CE FCC Part 15 Subpart B Class A IC Class VGA SVGA or XGA video RGBHV Video VGA Composite and S Video Audio Stereo line level analog Serial RS 232 pinned according to TIA 574 DCE VGA Input to 1600 x 1200 up to 100 Hz TV Inputs NTSC or PAL auto detect VGA Output Same as VGA input or 640x480 800x600 for conversion NTSC PAL respectively Video DC to 250 MHz 0 7 volts peak to peak on RGB TTL on H amp V HD15 for VGA RCA for CV MD4 for S VHS Operating 32 to 122 F 0 to 50 C Storage 40 to 185 F 40 to 85 C Steel 90 000 hours calculated estimate From utility power mains outlet through included external power adapters Output Voltage 6v DC to 7 5 v DC Center Positive 750 ma minimum 6 9 W x 3 3 D x 1 8 H 1 2 Ib box only 2 7 Ib shipping 1 5e A P BLACK BOX O Copyright 2004 Black Box Corporation All rights reserved 1000 Park Drive Lawrence PA 15055 1018 724 746 5500 Fax 724 746 0746
11. t panel has been locked Video to VGA Converter Switch 4 Configuration 4 1 RS 232 Control and configuration The AC135A R2 is ready and fully operational right out of the box and no customer configuration is normally needed However the RS 232 port provided on the box can be used not only to make input channel selection but to adjust a few of the internal settings of the AC135A R2 such as default contrast brightness and audio switching mixing parameters You can use any ASCII terminal emulation software such as Windows Hyper Terminal or contact Black Box to obtain a Windows based control and setup program for the AC135A R2 You would need a straight through DB9 Male to Female cable for connection to a PC For example when using Windows Hyper Terminal do the following Use Comm port 1 or 2 of the PC Configure for 4800 baud 8 bits no parity one stop bit Set for ANSI emulation ASCII with no Local Echo 4 2 Control Panel Software for Windows Optional Windows based Control Panel software is available for the AC135A R2 The software includes options for changing the default brightness contrast audio switching mixing setup selecting input channels getting a status report and restoring factory default settings If you are interested please contact the Black Box ftp site or Tech Support to obtain a copy You would need a straight through DB9 Male to Female cable for connection to a PC AUTO OA C2 SVID Va Inp
12. te o muestra un cambio en su desempe o o E El aparato ha sido tirado o su cubierta ha sido da ada Video to VGA Converter Switch Contents 1 Jntroduction tete eben page 6 Lily General sisi sn tente rt rt ege page 6 1 2 Beatutes tia page 7 2 Installation neo eo oett as page 8 3 Op ration eese mien internet page 11 A ss page 13 4 1 RS 232 Control and Configuration sess page 13 4 2 Control Panel Software for Windows page 13 4 3 Serial Command Set page 14 5 Troubleshooting eese page 15 6 Specifications eco i le tenon E Hei eire page 16 Video to VGA Converter Switch 1 Introduction 1 1 General The Model AC135A R2 converts an NTSC or PAL video signal to VGA for display on PC monitors projectors or other progressive scan displays The converter de interlaces and doubles the frame rate by turning the interlaced Video input signal into a progressive scan signal suitable for high resolution display devices The AC135A R2 provides multiple TV video inputs two 2 ea RCA composite video and one 1 ea S Video all with their own corresponding stereo audio inputs Additionally the unit provides a separate VGA and audio input from a PC that can be switched to the output This makes the AC135A R2 a 4 input to multi standard switcher The user can select any of the inputs using individual push button switches on the front panel An RS232 serial port is avai
13. ut Select c C C gt OSD CON CO FrontPanel C ACTIVE C LOCKED C nTHER AUTO 8 Enhancement Factor A Lal Contrast X _ Saturation EA E Hue Video to VGA Converter Switch 4 3 Serial Command Set Configure port for 4800 Baud 8 bits no parity 1 stop bit Command Description D1 enter Restore Defaults lO enter Auto Scan Ix enter Select Input x 1 CV1 2 CV2 3 S Vid 4 VGA Bx enter Brightness set 8 Save 0 lt x lt 255 ABx enter Brightness set 0 lt x 255 Cx enter Contrast set 8 Save 0 x 127 Cx enter Contrast set 0 lt x 127 Vx enter Volume set amp Save for current input selection 0 lt x 255 Vx enter Volume set 0 lt x 255 Sx enter Saturation set 0 x 127 ASx enter Saturation set 0 lt x lt 127 Hx enter Hue set 0 lt x lt 255 Hx enter Hue set 0 lt x 255 Ox enter OSD Control x 0 Off 1 On Fx enter Front Panel Control x 0 Off or Disabled 1 On or active Gx enter Gamma Enhancement Level x 1 1 3 2 1 5 3 1 8 Nx enter NTSC x 1 Configure Specifically for NTSC 0 Other or Auto Rx enter Read Bus follow instructions FOR ADVANCED USE ONLY Wx enter Write Bus follow instructions FOR ADVANCED USE ONLY 5 Troubleshooting If your monitor goes blank periodically Some VCR s particularly lower cost ones with no time
14. y 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 B 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 party 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 the Canadian Department of Communications 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 publi par le minist re des Communications du Canada EUROPEAN UNION DECLARATION OF CONFORMITY This product complies with the requirements of the European EMC directive 89 336 EEC BB 3 A 3 3 Video to VGA Converter
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