HRT VS-4A User Manual Download Page 2 | Manualshive

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Summary of Contents for VS-4A

Page 1: ... Ph 714 641 6607 Fax 6698 H Ha al ll l R Re es se ea ar rc ch h T Te ec ch hn no ol lo og gi ie es s I In nc c Model VS 4A 4 Channel VGA Switch with Audio Serial Control Switches Between 4 PC Video and Audio Signals Manual or Auto Switching Based on Active Video RS 232 Serial Control UMA1120 Rev 1 1 ...

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Page 3: ... 2 INPUTS OUTPUTS 3 2 3 CONNECTING THE VS 4A 3 2 4 CONNECTION DIAGRAM 4 3 CONFIGURATION OPERATION 5 3 1 MODES OF OPERATION 5 3 2 FRONT PANEL SWITCHES 6 3 3 RS 232 CONTROL 7 3 4 SERIAL PORT CONTROL CODES 8 4 TROUBLESHOOTING 11 4 1 IN CASE OF TROUBLE 11 4 2 CALLING HALL RESEARCH TECHNOLOGIES 11 4 3 SHIPPING AND PACKAGING 11 5 SPECIFICATIONS 12 ...

Page 4: ...rmal There is a priority selection that can be used to set for the video inputs The switched output can be blanked and un blanked from the PC command sent through the serial port The front panel buttons can be locked to prevent accidental changes to the settings from a PC command sent through the serial port The unit also has EEPROM internal non volatile flash memory to restore the last operating ...

Page 5: ...has 1 video and audio output marked Video and Audio Output The unit has 1 serial port connector labeled RS232 2 3 Connecting the VS 4A Connect your video and audio sources such as computer or notebook PC to any of the Video and Audio Inputs 1 through 4 Connect the display device such as a monitor or a video projector to the switched video and audio outputs Video and Audio Output Connect the includ...

Page 6: ...4 Channel VGA Switch w Audio Serial Control 4 2 4 Connection Diagram ...

Page 7: ...onfigured to scan the non active VGA inputs as well as the active VGA inputs Normal Mode VGA inputs are selected based on front panel push button selections The VS 4A can only be in one of these modes at a time You can specify mode of operation either from the Serial port or from the front panel by pressing switch combinations simultaneously Pressing SEL 1 SEL 2 simultaneously selects AUTO mode Pr...

Page 8: ...ed and the front panel is not locked The second use of the front panel buttons is to put the VS 4A into Auto Mode Press buttons 1 and 2 simultaneously and the VS 4A will enter the Auto Mode when the front panel is not locked The third use of the front panel buttons is to put the VS 4A into Scan Mode Press buttons 3 and 4 simultaneously and the VS 4A will enter the Scan Mode when the front panel is...

Page 9: ... program the Switch you may need a USB to RS 232 Serial converter Please contact your Hall Research Technologies sales representative if you need to buy one The VS 4A will output a menu to a serial port on power up This menu will also be displayed when a List command is sent to it via a serial port To view the menu An ASCII serial terminal or terminal emulator software is needed An example is Micr...

Page 10: ... Serial Port Control Codes 1 byte commands from external control device ASCII 1 or Hex 31 Selects Video input 1 ASCII 2 or Hex 32 Selects Video input 2 ASCII 3 or Hex 33 Selects Video input 3 ASCII 4 or Hex 34 Selects Video input 4 Ver1 0 1 1 In 2 2 In 3 3 In 4 4 In a Auto mode s Scan b Blank u Un Blank p Priorities r Reset l Lock Unlock ...

Page 11: ...st prompted to enter the switching time delay from 1 60 seconds Seconds between switching 1 60 The users are then prompted to select whether non active video input channels should be scanned or not Scan non active Y n ASCII b or Hex 62 Blanks the output When the output is blanked only the color intensities of the output are reduced to zero resulting in a black screen the unit still operates in nor...

Page 12: ...being the highest and 4 being the lowest For example if Video 1 priority is set at 1 the unit will select input 1 automatically whenever the presence of the video at Video 1 input is detected even if the input from the Video 2 input is currently playing If no video is detected for a specific video input the next video input is selected based on the priority setting in order ASCII r or Hex 72 Reset...

Page 13: ...g Hall Research Technologies If you determine that your unit is malfunctioning do not attempt to repair the unit Contact HRT Tech Support at 714 641 6607 or via email or web 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 inv...

Page 14: ...udio Inputs PC or Consumer audio standard line level Video Level 0 to 0 7V p p on RGB 0 to 5 V for H and V Sync Bandwidth 200 MHz Max Altitude 10 000 ft 3048 meters Temperature Operating 32 to 122 F 0 to 50 C Storage 40 to 185 F 40 to 85 C Humidity Up to 95 non condensing Enclosure Steel MTBF 90 000 hours calculated estimate Power 6V center positive power supply Size 1 7 43mm H x 8 42 213mm W x 2 ...

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Page 16: ...Product Designed and Made in the USA ...

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