Extron electronics Matrix 50 Series User Manual Download

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Matrix 50 Series

Matrix Audio/Video Switchers

68-218-01

Rev. J

11 04

Summary of Contents for Matrix 50 Series

Page 1: ...Matrix 50 Series Matrix Audio Video Switchers 68 218 01 Rev J 11 04 ...

Page 2: ...rksam machen daß im Inneren des Gehäuses dieses Produktes gefährliche Spannungen die nicht isoliert sind und die einen elektrischen Schock verursachen können herrschen Achtung Lesen der Anleitungen Bevor Sie das Gerät zum ersten Mal verwenden sollten Sie alle Sicherheits und Bedienungsanleitungen genau durchlesen und verstehen Aufbewahren der Anleitungen Die Hinweise zur elektrischen Sicherheit de...

Page 3: ...input to output connection Set of ties An input tied to 2 or more outputs An output can never be tied to multiple inputs Configuration One or more ties or sets of ties Current configuration The currently active configuration also called configuration 0 Global preset A configuration that has been stored One preset can be assigned to each input button When a preset is retrieved from memory it become...

Page 4: ...Touch labeler Create a tie A Press and release the Video and or Audio button s to select audio and or video B Press and release the desired input button C Press and release the desired output button s D Press and release the Enter button View ties A Press and release the View button B Press and release the Video and or Audio button s to select audio and or video C Press and release the desired inp...

Page 5: ...trol buttons and LEDs 3 2 I O controls 3 3 Front panel I O label windows 3 4 Front Panel Operations 3 4 Power 3 4 Creating a configuration 3 4 Example 1 Creating a set of video and audio ties 3 5 Example 2 Adding a tie to a set of video and audio ties 3 6 Example 3 Removing a tie from a set of video and audio ties 3 6 Viewing a configuration 3 7 Example 4 Viewing video and audio audio only and vid...

Page 6: ...3 18 Configuration worksheet 3 19 Chapter 4 Programmer s Guide 4 1 Host to Switcher Instructions 4 2 Switcher Initiated Messages 4 2 Switcher Error Responses 4 3 Using the Command Response Table 4 3 Command Response Table 4 4 Chapter 5 Matrix Software 5 1 Matrix Switcher Control Program 5 2 Installing the software 5 2 Using the software 5 2 Overview 5 2 Windows buttons 5 3 Windows menus 5 4 Using ...

Page 7: ...pendix B Reference Information B 1 Hardware Procedures B 2 Opening the switcher B 2 Closing the switcher B 3 Installing and removing video and audio modules B 3 Installing a video module B 4 Removing a video module B 5 Installing an audio module B 6 Removing and audio module B 7 Swapping the serial ports B 8 Installing a firmware update B 9 Replacing the AC fuse B 10 Setting the front panel jumper...

Page 8: ...iv Matrix 50 Series Switchers Table of Contents Table of Contents cont d 68 218 01 Rev J 11 04 All trademarks mentioned in this manual are the properties of their respective owners ...

Page 9: ...Matrix 50 Series Switchers 1 Chapter One Introduction About the Matrix 50 Series Switchers Features ...

Page 10: ...t video matrix requires a separate audio module Component video Matrix 50 switchers can also route RGsB and RsGsBs video signals up to 150 MHz bandwidth Switchers configured for component video can also route multiple composite video planes or S video and composite video If used in this way the various planes cannot be broken away all inputs must be routed to the same outputs Audio only Matrix 50 ...

Page 11: ...ced or unbalanced on 3 5 mm 5 pole captive screw terminals audio models Bandwidth Bandwidth is a minimum of 150 MHz 3dB fully loaded This high bandwidth allows the Matrix 50 switchers to switch everything from NTSC video to HDTV Operational flexibility Operations such as input output selection setting of presets and adjustment of audio levels can be performed on the front panel or over the RS 232 ...

Page 12: ... and then recall those configurations when needed with a few simple steps Switching flexibility Individually buffered independent matrix switched video outputs with audio follow and audio breakaway for models with audio Any input to any or all outputs Quick multiple tie Multiple inputs can be switched to multiple outputs simultaneously This allows all displays outputs to change from source to sour...

Page 13: ...h or comparable labeler Front panel security lockout If a Matrix 50 Switcher is installed in an open area where operation by unauthorized personnel may be a problem a security lock out feature can be implemented When the front panel is locked a special button combination is required to unlock the front panel controller before it can be operated Rack mounting The switchers are mountable in any conv...

Page 14: ...Introduction cont d Matrix 50 Series Switchers Introduction 1 6 ...

Page 15: ...Matrix 50 Series Switchers 2 Chapter Two Installation Rack Mounting the Switcher Cabling and Rear Panel Views ...

Page 16: ...2 2 shows a 12x8 Matrix 50 S video switcher without an audio module Figure 2 3 shows a 12x8 Matrix 50 composite video and audio switcher Figure 2 4 shows a 12x8 Matrix 50 audio switcher The 8x4 8x8 and 12x4 matrixes are housed in the same 2U enclosure but have fewer input and or output connectors to accommodate the different matrix sizes each provides 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 1 6...

Page 17: ...t S video outputs to these BNC connectors for each output Composite video outputs single video module models only Connect composite video outputs to these BNC connectors for each output The component video and S video Matrix 50 Series switchers can also switch video lower on the video food chain by using only two or one BNC s If switching a different video format ensure that the same video planes ...

Page 18: ...hapter 5 Matrix Software for details 5 Connections for audio outputs These 3 5 mm 5 pole captive screw connectors output the selected unamplified line level audio Connect audio devices such as an audio amplifier or powered speakers See figure 2 7 to properly wire an output connector Unbalanced Output Tip See caution Sleeve Tip See caution Balanced Output Tip Ring Sleeve s Tip Ring Figure 2 7 Capti...

Page 19: ...a brief rolling sync loss or a brief change in the picture size 7 External Sync In connector Connect an external sync signal to this BNC connection for genlocking the video signal in broadcast or other sync critical applications External Sync Out connector Connect any downstream equipment that requires genlocking to this BNC connector to route the external sync signal throughout the system in broa...

Page 20: ...O MAC VGA I N P U T S O U T P U T S Figure 2 9 Multiple device external sync connection example Additional rear panel views The following figures show the rear panels of an 8x4 Matrix 50 switcher an 8x8 Matrix 50 switcher and a 12x4 Matrix 50 switcher 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 Figure 2 10 Rear panel view 8x4 component video and audio Matrix 50 Switcher Figure 2 11 Rear panel view 8x8 compone...

Page 21: ...Matrix 50 Series Switchers 3 Chapter Three Operation Front Panel Controls and Indicators Front Panel Operations Troubleshooting Worksheets ...

Page 22: ...input buttons select the desired preset memory location to load or retrieve a preset When a preset is retrieved from memory it becomes the current configuration One preset can be assigned to each input button Input buttons output buttons and LEDs If the switcher has fewer inputs and outputs than input and output buttons and LEDs only the applicable buttons and LEDs perform the function of selectin...

Page 23: ...sed and released to indicate the escape function As a secondary function on audio models the Esc button increments the audio level of the selected input In audio adjustment mode the Esc LED indicates a positive gain value A more detailed explanation of audio level adjustment is included in Viewing and adjusting the audio level on page 3 13 I O controls When creating or viewing a configuration you ...

Page 24: ... sample procedures for creating ties sets of ties and configurations changing a configuration viewing ties sets of ties and configurations muting and unmuting the video and audio saving a preset recalling a preset and viewing and adjusting the audio level Power On all models power is automatically applied when the power cord is connected to an AC source When AC power is applied the switcher perfor...

Page 25: ...that input s LED lights 6 When the Video and Audio LEDs are on if an input with an audio tie but no video tie is selected the input s LED lights and the Audio LED blinks 7 As each output is selected the associated output LED blinks to indicate a tentative tie LEDs for output s that were already tied to the input light steadily Outputs that are already tied can be left on along with new blinking se...

Page 26: ...e 3 4 Example 2 Adding a video tie A Press and release the Esc button The Esc LED flashes once B To select video only for the tie if necessary press and release the Video and Audio buttons until the Video LED lights and the Audio LED is off C Press and release the input 5 button The input 5 LED lights If the steps in Example 1 have been completed the output 3 output 4 and output 8 LEDs light to in...

Page 27: ...emain lit 1 1 2 2 3 3 4 4 5 5 6 INPUTS ENTER OUTPUTS 6 7 7 8 9 10 11 PRESET VIEW ESC VIDEO AUDIO AUDIO 12 8 CONTROL I O 5 8 ENTER E 4 D 3 LED key off on Press Press Figure 3 6 Example 3d Removing an audio tie E Press and release the Enter button The input and output LEDs turn off The current configuration is now video input 5 tied to video output 1 output 3 output 4 and output 8 and audio input 5 ...

Page 28: ...on for which there are no ties is pushed the output LEDs turn on for all outputs without ties The blinking Audio LED indicates audio breakaway for one or more of those outputs Example 4 Viewing video and audio audio only and video only ties See figure 3 7 figure 3 8 figure 3 9 and figure 3 10 and the following steps for an example of viewing the video and audio audio only and video only ties in th...

Page 29: ...hat all of the untied outputs light Then press the output button for the output LED noted previously and observe that the selected output LED the tied input LED input 5 and the output LEDs light for all of the outputs that are tied to the input E Press and release the Video button to toggle the Video LED off figure 3 9 If audio is broken away the Audio LED stops blinking and lights steadily AUDIO ...

Page 30: ...cher operation 1 You can mute video and audio video only or audio only outputs Pressing and releasing the Video and Audio buttons toggles each selection on and off 2 When you enter view only mode the output LEDs turn on for all outputs without ties 3 When you mute video the mute command mutes all video planes 4 Mutes are not saved to non volatile memory When power is removed and restored the mute ...

Page 31: ...nd audio signals are unmuted F Press and release the View button to exit view only mode The View LED and all input and output LEDs go out Using global memory presets The current configuration configuration 0 can be saved as a preset in any one of 12 preset memory addresses 1 Only the audio and video ties are stored and recalled audio gain settings are not saved and they do not change when a preset...

Page 32: ...se the Preset button C Press and release the input 1 button The input 1 LED lights flashes once The Preset LED turns off Example 7 Recalling a preset See figure 3 13 and the following steps for an example of recalling the current configuration as a preset on a 12x8 Matrix 50 switcher with audio 1 1 2 2 3 3 4 4 5 5 6 INPUTS ENTER OUTPUTS 6 7 7 8 9 10 11 PRESET VIEW ESC ESC VIDEO AUDIO 12 8 CONTROL ...

Page 33: ...by the left and right audio inputs 2 The audio level settings are stored in non volatile memory When power is removed and restored the audio level settings are retained Example 8 Viewing and adjusting an audio level See figure 3 14 and figure 3 15 and the following steps for an example of viewing and adjusting the audio level on a 12x8 Matrix 50 switcher with audio A Press and release the Esc butt...

Page 34: ... has turned off and that the View LED is blinking to indicate a negative level If another input button is pressed and released the level value for the current input is saved and the level value for the newly selected input is displayed B B 1dB LED key off value 0 dB blinking value 1dB on value 2dB B 1 1 2 2 3 3 4 4 5 5 6 INPUTS ENTER OUTPUTS 6 7 7 8 9 10 11 PRESET VIEW ESC VIDEO AUDIO AUDIO 12 8 C...

Page 35: ... all devices are plugged in and powered on The switcher is receiving power if one of the input LEDs is lit 2 Ensure an active input is selected for output on the switcher 3 Ensure that the proper signal format is supplied 4 Check the cabling and make corrections as necessary 5 Call the Extron S3 Sales Technical Support Hotline if necessary Plasma display S video problem Extron has encountered a pr...

Page 36: ... stereo Class room 1 rear proj Archive VCR Lobby monitor 3 Class room 2 rear proj Podium mic Audio CD Class room 1 VCR Class room 2 VCR Class room 1 LD Class room 2 LD VTG 200 Output destinations Security camera 2 Lobby security camera Figure 3 16 Worksheet example 1 System equipment Inputs include video cameras audio tape and CD players laser disc players VCRs and a VTG 200 video test generator O...

Page 37: ...7 is displayed on two rear projection displays outputs 3 and 4 Classical music from the CD player input 5 is played on the lunch room stereo output 8 Meanwhile security cameras inputs 2 and 3 are routed to two local monitors outputs 1 and 2 Daily configuration Input sources Camera main podium Main hall monitor Fill in the preset number use colors or dashes etc to make connecting lines Indicate if ...

Page 38: ...s outputs 3 4 6 and 8 Test configuration Input sources Camera main podium Main hall monitor Fill in the preset number use colors or dashes etc to make connecting lines Indicate if the configuration is for Video Audio or both Preset Title Video Audio 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 9 10 11 12 Main podium monitor Lunch room stereo Class room 1 rear proj Archive VCR Lobby monitor 12 Class room 2 rear...

Page 39: ... 6 7 8 1 2 3 4 5 6 7 8 9 10 11 12 Preset Title Video Audio Fill in the preset number and use colors or dashes etc to make connecting lines Indicate if the configuration is for video audio or both Input sources Output destinations Configuration worksheet ...

Page 40: ...Operation cont d Matrix 50 Series Switchers Operation 3 20 ...

Page 41: ...Matrix 50 Series Switchers 4 Chapter Four Programmer s Guide Host to Switcher Instructions Switcher Initiated Messages Switcher Error Responses Using the Command Response Table Command Response Table ...

Page 42: ...S Simple Instruction Set commands through the RS 232 RS 422 port SIS commands consist of one or more characters per command field They do not require any special characters to begin or end the command character sequence Each switcher response to an SIS command ends with a carriage return and a line feed CR LF which signals the end of the response character string A string is one or more characters...

Page 43: ...r response to the host The error response codes are E01 Invalid input channel number too large E10 Invalid command E11 Invalid preset number too large E12 Invalid output number too large E13 Invalid value out of range E14 Illegal command for this configuration E17 Timeout only caused by direct write of global presets Using the Command Response Table The command response table begins on the next pa...

Page 44: ... video only X3 X2 Out X2 In X3 Vid Audio breakaway Example1 7 5 Out05 In07 Vid Tie input 7 video to output 5 Tie input X3 to output X2 audio only X3 X2 Out X2 In X3 Aud Audio breakaway Example 12 8 Out08 In12 Aud Tie input 12 audio to output 8 Quick multiple tie Esc Q X3 X2 X3 X2 Out Multi In Multi All Example Esc Q3 4 3 5 3 6 Out Multi In Multi All Tie input 3 to outputs 4 5 and 6 Tie input to al...

Page 45: ...d command without the start command or the Quick recall command without a prior direct preset write 6 The switcher must receive the Quick recall command within 100 msecs of the End command Example Esc P10 Write Preset 10 Ready Creates new preset 10 with 1 3 A V Input 1 tied to output 3 7 8 Video input 7 tied to output 81 10 4 RGB input 10 tied to output 41 12 4 Audio input 12 tied to output 4 Esc ...

Page 46: ... each position is the input tied to the output represented by that position Response description Input I assigned to output O 1 I to O 2 I to O n Vid I to O 1 I to O 2 I to O n Aud Example2 12 x 8 model V0 Preset 0 is current configuration 01 Output Response tied input Video input 8 tied to output 2 02 03 04 05 06 07 08 08 08 08 08 07 09 11 03 Vid 05 05 05 05 07 09 11 00 Aud 01 02 03 04 05 06 07 0...

Page 47: ...Matrix 50 Series Switchers 5 Chapter Five Matrix Software Matrix Switcher Control Program Button Label Generator ...

Page 48: ...ar on the screen The program occupies approximately 3 MB megabyte of hard drive space By default the Windows installation creates a C MTRX directory and it places two icons Matrix Switcher Control Program and Matrix Switcher Help into a group or folder named Extron Electronics The program was designed to control most Extron matrix switchers but its operation will be limited to the features and con...

Page 49: ...g the output box to its tied input box Figure 5 1 Extron Matrix Switcher Control Program window blank Figure 5 2 Sample program window complete Windows buttons The buttons on the right side of the window perform the following functions Power Unavailable for Matrix 50 switchers because the switcher power cannot be controlled via software Executive mode Allows you to lock out front panel operations ...

Page 50: ... are also loaded Select printer Selects the target printer Print tie map Prints the tie set that is displayed on the screen Exit Closes the Extron Matrix Control Program Tools menu Assign device icons Displays the complete set of input and output device icons You can drag any of these icons to the input and output boxes Edit device palette Allows you to add your own device icon graphics Audio gain...

Page 51: ...program folder or group double click on the Matrix Switcher Help icon shown at left From within the Matrix Switcher Control Program click on the Help menu on the main screen From within the Matrix Switcher Control Program press the F1 key Button Label Generator The program is contained on the same set of 3 5 inch diskettes as the Matrix Switcher Control Program and is installed automatically when ...

Page 52: ...trix Software 5 6 Figure 5 3 Extron s Button Label Generator window You can also see an example of a completed Extron s Button Label Generator window by clicking on the Help menu on the main screen choosing Show Help and clicking on the Load Demo button ...

Page 53: ...Matrix 50 Series Switchers A Appendix A Specifications Specifications Part Numbers ...

Page 54: ...ideo Minimum maximum levels Analog 0 5V to 2V p p with no offset Impedance 75 ohms Return loss 30dB 5 MHz Maximum DC offset 1 5V External sync genlock 0 3V to 0 4V p p Video output Number signal type 4 or 8 RGsB RsGsBs component video Y R Y B Y HDTV S video composite video Connectors 4 or 8 x 1 2 or 3 BNC female Nominal levels 1V p p for Y of component video and S video and for composite video 0 7...

Page 55: ... 600 ohm 15dBm balanced at stated THD N 0dBu 0 775 volts RMS Control remote Serial control port RS 232 or RS 422 9 pin female D connector Baud rate and protocol 9600 8 bit 1 stop bit no parity Serial control pin configurations 2 TX 3 RX 5 GND Program control Extron s control program for Windows Extron s Simple Instruction Set SIS General Power 100VAC to 240VAC 50 60 Hz 30 watts internal autoswitch...

Page 56: ...59FZ 8 x 4 S video and audio switcher 60 359CY 8 x 4 S video switcher 60 359CZ 12 x 8 composite video and audio switcher 60 359KV 12 x 8 composite video switcher 60 359KZ 12 x 4 composite video and audio switcher 60 359HW 12 x 4 composite video switcher 60 359HZ 8 x 8 composite video and audio switcher 60 359EX 8 x 8 composite video switcher 60 359EZ 8 x 4 composite video and audio switcher 60 359...

Page 57: ...lk cable Extron Part Part RG6 super high resolution cable RG6 1 bulk 500 22 098 02 RG6 1 bulk 1000 22 098 03 RG6 4 bulk 500 22 099 02 RG6 5 bulk 500 22 100 02 RG6 male crimp connectors qty 50 100 075 51 BNC 2 Mini HR Cable BNC 2 Mini HR bulk 250 22 123 02 BNC 2 Mini HR bulk 500 22 123 03 BNC 4 Mini HR Cable BNC 4 Mini HR bulk 500 22 032 02 BNC 4 Mini HR bulk 1000 22 032 03 BNC 5 Mini HR Cable BNC ...

Page 58: ...feet 90 0 meters 26 210 53 BNC 5 Mini HR Cable BNC 5 25 HR 25 feet 7 5 meters 26 260 03 BNC 5 50 HR 50 feet 15 0 meters 26 260 04 BNC 5 75 HR 75 feet 23 0 meters 26 260 16 BNC 5 100 HR 100 feet 30 0 meters 26 260 05 BNC 5 150 HR 150 feet 45 0 meters 26 260 12 BNC 5 200 HR 200 feet 60 0 meters 26 260 06 BNC 5 250 HR 250 feet 75 0 meters 26 260 18 BNC 5 300 HR 300 feet 90 0 meters 26 260 14 S video ...

Page 59: ...Matrix 50 Series Switchers B Appendix B Reference Information Hardware Procedures Button Labels ...

Page 60: ...so installing a firmware update remove two screws in this location on the bottom cover Fuse Video module Power supply NOTE Front panel board Pin 1 Bus cable Figure B 1 Removing the top cover screws 4 Lift the top cover straight up Lift the cover evenly to clear the grooves at the edge of the rear panel 5 If you are updating the firmware remove the two screws at the front edge of the bottom cover a...

Page 61: ...ng from any of the above configurations Adding or removing audio capabilities Changing to a different switching matrix configuration from an 8 x 4 configuration to a 12 x 8 configuration for example 1 Audio modules are always installed on the bottom of the switcher chassis figure B 2 Removing or installing an audio board cannot be accomplished with video modules in the way If changing the audio co...

Page 62: ...moving an audio module see Installing an audio module step 3 on page B 6 or Removing an audio module on page B 7 before continuing to install the video modules Return here when finished with the audio module procedure 5 Mount the new video module s and any module s removed in step 3 starting at the lowest required video module location For example if upgrading the switcher from composite video to ...

Page 63: ...n cable that connects any video and audio modules to the front panel board by pressing the two receptacle tabs on the top cable outward as shown at the left and pulling back gently on the cable connector to remove it from the receptacle Do this for each video or audio board connection and move the ribbon cable out of the way 3 Using an Extron BNC extraction tool part 100 096 01 or a 9 16 deep well...

Page 64: ...slot Remove the screw on the left side of the cover figure B 4 pull the audio cover away from the left and then shift it to the left to free the tab from the slot on the right Put the audio cover aside slide left Figure B 4 Removing the audio cover 3 Insert the audio module into the Matrix 50 chassis and position the board such that the input output connector strip on the module protrudes through ...

Page 65: ...audio module out of the switcher 3 Reinstall all video modules and the bus ribbon cable in accordance with Installing a video module on page B 4 4 If the size of the matrix was changed 8 x 4 configuration to 12 x 8 configuration for example or if video or audio capabilities were added or removed see Setting the front panel jumper on page B 10 Ensure that tools and hands are outside the switcher be...

Page 66: ...ch is normally empty is located to the left of the RS 232 ribbon cable receptacle 4 Remove the RS 232 RS 422 ribbon cable by pressing the two RS 232 RS 422 receptacle tabs outward as shown at the left and pull up evenly on the cable connector to remove it from the current receptacle 5 Plug the cable in to the desired receptacle by aligning the holes in the connector with the pins in the RS 232 or ...

Page 67: ... button side down on a suitable workspace 5 Locate IC U7 figure B 7 6 Use the PLCC IC puller to remove the existing firmware IC Squeeze the tool to align its hooks with the slots in opposite corners of socket U7 Insert the hooks squeeze gently and pull the IC straight out of the socket Set the IC aside 7 Note the key angled corner of the new firmware IC and the dot on the underside that indicates ...

Page 68: ...er on page B 3 If you choose to check the switcher for proper operation before putting the cover back on ensure that tools and hands are outside the switcher and then connect the power cord to the unit and to an AC source The switcher should power up normally Unplug the AC power cord and reinstall the switcher 6 Attach the power cord to the switcher and to the AC power source Make sure the switche...

Page 69: ...ation the switcher should power up normally Unplug the AC power cord and reinstall the switcher 4 Reinitialize the switcher to recognize the new configuration as follows a Connect the power cord to the AC power source b Press and hold the Enter button while you connect the power cord to the switcher c Observe that the Input Output Preset View and Esc LEDs all flash d Release the Enter button 5 Ens...

Page 70: ...Reference Information cont d Matrix 50 Series Switchers Reference Information B 12 Blank ...

Page 71: ...B 13 Matrix 50 Series Switchers Reference Information Figure B 10 Button label blanks 12 button strip ...

Page 72: ...Reference Information cont d Matrix 50 Series Switchers Reference Information B 14 ...

Page 73: ...tral America Extron Electronics Extron Electronics Europe 1230 South Lewis Street Beeldschermweg 6C Anaheim CA 92805 USA 3821 AH Amersfoort The Netherlands Asia Japan Extron Electronics Asia Extron Electronics Japan 135 Joo Seng Road 04 01 Daisan DMJ Bldg 6F PM Industrial Bldg 3 9 1 Kudan Minami Singapore 368363 Chiyoda ku Tokyo 102 0074 Japan This Limited Warranty does not apply if the fault has ...

Page 74: ...t The Netherlands 31 33 453 4040 Fax 31 33 453 4050 Extron Electronics Asia 135 Joo Seng Road 04 01 PM Industrial Building Singapore 368363 65 6383 4400 Fax 65 6383 4664 Extron Electronics Japan Daisan DMJ Building 6F 3 9 1 Kudan Minami Chiyoda ku Tokyo 102 0074 Japan 81 3 3511 7655 Fax 81 3 3511 7656 www extron com 2004 Extron Electronics All rights reserved ...

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