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Summary of Contents for Hall Research Technologies VS-2A-PRG
- Page 1 Model VS-2A-PRG 2-Port VGA Switch with Audio, Serial Control & EDID Programming UMA1156 Rev C © Copyright 2010 Hall Research Inc. All rights reserved. 1163 Warner Ave Tustin, CA 92780, Ph: (714)641-6607, Fax -6698...
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Page 3: Table Of Contents
1.0 GENERAL ..................2 2.0 FEATURES..................3 3.0 INSTALLATION................4 ................4 EQUIRED ABLES & O ................4 NPUTS UTPUTS VS-2A-PRG............4 ONNECTING THE ..............5 ONNECTION IAGRAM 4.0 OPERATION ..................5 ................5 WITCHED UTPUT ................ 6 ODES OF PERATION .............. -
Page 4: General
The unit also has a loop-out for PC #1 Input for connection to a local LCD. The VS-2A-PRG unit provides all the A/V and control connections on the rear panel; the front panel has a push-button switch with corresponding LED indicator for the selection of video source. -
Page 5: Features
2-Port VGA Switch w/Audio, Serial & EDID Programming 2.0 Features Read and Write EDID Information Capability to download EDID info from PC into unit Allows one video with stereo audio to be switched between two video and audio sources Loop-out for input #1 audio and video Can be manually controlled by push-button switch buttons or remotely by RS232 communication port Provides Auto mode to automatically select input source... -
Page 6: Installation
Monitor and the RS232 connection. . Inputs & Outputs The VS-2A-PRG has 2 video and audio inputs: PC 1 Input and PC 2 Input. The unit has 1 video and audio output: SW Output. There is a local video and audio output, which is a loop-out for PC 1 Input: Local. -
Page 7: Connection Diagram
2-Port VGA Switch w/Audio, Serial & EDID Programming . Connection Diagram 4.0 Operation . Switched Output The switched output SELECT button is used to select between video & audio input sources of PC 1 and PC 2. A solid-on LED is used to indicate which input is selected. -
Page 8: Modes Of Operation
However, it can be used to blank the output by holding it down for 3 seconds or to un-blank the output by pressing it once. In Manual mode, the output of the VS-2A-PRG will depend on the selection of the switched output SELECT button. . Front Panel Lockout The Front panel controls can be locked so that the unit’s configuration... -
Page 9: Rs-232 Control
These are available from Hall Research (Model USB-RS232-1). The VS-2A-PRG will output a menu to a serial port on power-up. This menu will also be displayed when a proper command is sent to it via a serial port. To view the menu, An ASCII serial terminal or terminal emulator software is needed. -
Page 10: Control Codes (1 Byte Commands From External Control Device )
Model VS-2A-PRG After power-up the unit will output the following menu in ASCII through its serial port: ---------------------- M E N U ---------------------- 1 = PC 1 Input 2 = PC 2 Input F = Front Panel Lock A = Auto Mode... - Page 11 2-Port VGA Switch w/Audio, Serial & EDID Programming ASCII F (or Hex 46) Toggles the Front Panel Lock Status. The device will respond with: Front Panel Locked or Front Panel Un- Locked When the Front Panel is locked, no changes can be made via the front panel buttons except to unlock the Front Panel.
- Page 12 Model VS-2A-PRG ASCII P (or Hex 50) Toggles the Input Priority Selection. The device will respond with: PC 1 priority selected or PC 2 priority selected If input #1 priority is selected, the unit will select input #1 automatically whenever the presence of the video at PC 1 input is detected even if the PC 2 input is currently playing.
- Page 13 2-Port VGA Switch w/Audio, Serial & EDID Programming ASCII S (or Hex 53) Request the status report. The device will respond with: Status Report -------------------------------- Input = 1 (or 2) Mode = Auto (or Manual) Priority = 1 (or 2 or None) Blank = On (or Off) Front Panel Un-Locked (or Locked) This report displays the current selection of switched output,...
- Page 14 Model VS-2A-PRG ASCII W (or Hex 57) Writes the information stored in the internal EEProm memory into the EDID device connected on the SW OUTPUT connector. ASCII D (or Hex 44) Displays the data in the internal EEProm memory in a tabular format.
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Page 15: Edid Programming
4800, 8, none, 1 and No handshake. See the paragraph titled “To configure HyperTerminal” above for more information if necessary. • Power the VS-2A-PRG and the Monitor • HyperTerminal will display the power-on menu. • Hit the "R" key once and HyperTerminal will show a series of HEX digits appear that were read from the connected monitor. -
Page 16: Troubleshooting
Model VS-2A-PRG 6.0 Troubleshooting There are no field serviceable parts or circuits in the device. If you think that the device is malfunctioning, please first make sure that all your connections are solid, and check the state of the LED’s on the front of the unit to assess the mode it is in. -
Page 17: Specifications
2-Port VGA Switch w/Audio, Serial & EDID Programming 7.0 Specifications Video Inputs VGA, RGBHV, RGBS, RGsB, or Component Video (YPbPr – would require HD15 to 3 RCA adapter) Resolutions Supported PC from VGA to UXGA (640x480 to 1920x1440) HD from 480p to 1080p Audio Inputs PC or Consumer audio (standard line-level) Video Level 0 to 0.7V p-p on RGB, 0 to 5V for H and V Sync... - Page 20 Product Designed and Made in the USA...
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