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Model DVS-4A
4-Port DVI Switch with Audio, Serial Control &
Long Cable Equalization
UMA1129
Rev B
© Copyright 2007. Hall Research Technologies, Inc. All rights
1163 Warner Ave Tustin, CA 92780, Ph: (714)641-6607, Fax -6698
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Summary of Contents for HRT DVS-4A
- Page 1 Model DVS-4A 4-Port DVI Switch with Audio, Serial Control & Long Cable Equalization UMA1129 Rev B © Copyright 2007. Hall Research Technologies, Inc. All rights 1163 Warner Ave Tustin, CA 92780, Ph: (714)641-6607, Fax -6698...
- Page 3 4-Port DVI Switch with Audio & Serial Control Trademarks Used In this Manual Hall Research, HRT, and (logo) are trademarks of Hall Research Technologies, Inc. Any other trademarks mentioned in this manual are acknowledged to be the property of the trademark owners.
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Page 4: Table Of Contents
2.0 Features....................4 3.0 Installation ................... 5 . Required Cables..................5 . Inputs & Outputs ................... 5 . Connecting the DVS-4A................ 5 . Connection Diagram................6 4.0 Operation ..................... 7 . Manually Switched Output ..............7 . Modes of Operation ................7 . -
Page 5: General
LCD screen). The switcher supports single-link, DVI-D video signals at resolutions up to 1920x1200 and HDTV up to 1080p. The DVS-4A 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 6: Features
4-Port DVI Switch with Audio & Serial Control 2.0 Features Clear and sharp images at resolutions up to 1920x1200 including HDTV up to 1080p Hot pluggable Supports the DDC2 standard for all input ports HDCP & HDMI 1.3 Compatible Allows one video with stereo audio to be switched between four video and audio sources Can be manually controlled by push-button switches, remotely by a RS232 communication port... -
Page 7: Installation
All of these items are available for purchase upon request. . Inputs & Outputs The DVS-4A has 4 video and audio inputs labeled ‘Video 1’ through ‘Video 4’. The unit has 1 video and audio output labeled ‘Video Output’. . Connecting the DVS-4A Connect your video and audio sources such as computer or notebook PC to ‘Video 1’, ‘Video 2’, ‘Video 3’... -
Page 8: Connection Diagram
4-Port DVI Switch with Audio & Serial Control . Connection Diagram MODEL DVS-4A REAR PANEL Universal Mounting Bracket... -
Page 9: Operation
‘Video 1’ through ‘Video 4’ sources in this mode. Pressing any of the SEL buttons will take the unit out of AUTO mode. In Manual mode, the output of the DVS-4A will depend on the selection of the SEL buttons. -
Page 10: Priority Selection In Auto Mode
For example, the priority has been set for ‘Video 2’, ‘Video 4’, ‘Video 1’ and then ‘Video 3’. If the ‘Output’ is playing the video & audio from ‘Video 3’ and video from ‘Video 1’ is detected, the output of the DVS-4A will change to select ‘Video 1’ video immediately. Video detection on either ‘Video 2’... -
Page 11: Rs-232 Control Port Usage
4-Port DVI Switch with Audio & Serial Control . RS-232 Control Port Usage The DVS-4A can also be controlled via a serial device. The unit operates at a baud rate of 4800 bps. From the serial port, you have full control over the operation of the switched output, mode, and priority buttons. -
Page 12: Serial Port Control Codes
----------------------------------------- . Serial Port Control Codes Control codes are 1 byte commands from an external device to the Serial Port on the DVS-4A. ASCII ‘1’ (Hex 31 or Decimal 49) Selects Video input #1 (immediately and unconditionally). If the unit was in AUTO mode, then MANUAL mode is selected. - Page 13 4-Port DVI Switch with Audio & Serial Control ASCII ‘4’ (Hex 34 or Decimal 52) Selects Video input #4 (immediately and unconditionally). If the unit was in AUTO mode, then MANUAL mode is selected. The device will respond with: Video 4 selected ASCII ‘A’...
- Page 14 4-Port DVI Switch with Audio & Serial Control ASCII ‘P’ or ‘p’ (Hex 50/70 or Decimal 80/112) Selects the Video Input priority. A message is displayed in the format of: Video X priority is [Y] (1-4]? Where ‘X’ is the video input (1-4) and ‘Y’ is the current priority (1-4).
- Page 15 4-Port DVI Switch with Audio & Serial Control ASCII ‘D’ or‘d’ (Hex 44/64 or Decimal 68/100) Causes the output signal equalization for long cabling to be disabled. The device will respond with: Boost disabled ASCII ‘R’ or ‘r’ (Hex 52/72 or Decimal 82/114) Request the status report.
- Page 16 4-Port DVI Switch with Audio & Serial Control ASCII ‘S’ or ‘s’ (Hex 53/73 or Decimal 83/115 ) Enters Scan Mode If the unit was already in SCAN mode, the unit will respond with the message: Scan mode already selected The user must select the desired scan time by entering a number from 1 to 60 within 20 seconds.
- Page 17 4-Port DVI Switch with Audio & Serial Control ASCII ‘M’ or ‘m’ (Hex 4D/6d or Decimal 77/109) Displays the menu. The device will respond with: MENU - Version 1.0 ----------------------------------------- 1 = Video 1 Input | B = Blank 2 = Video 2 Input | U = Un-blank 3 = Video 3 Input | E = Enable boost 4 = Video 4 Input | D = Disable boost A = Auto mode...
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Page 18: Troubleshooting
Do not open or try to repair the unit yourself. There is no customer repairable item in the unit and you will void your warranty. Contact HRT Support at 714-641-6607 or via email or web. If you need to ship your switch for repair, make sure to get a Return Material Authorization (RMA) number first. -
Page 19: Specifications
4-Port DVI Switch with Audio & Serial Control 6.0 Specifications Video Inputs DVI-D Single Link, HDCP & HDMI 1.3 Compliant Resolutions PC resolutions up to 1920x1200 @ 60 Hz and HDTV to 1080p Audio Inputs PC audio outputs Temperature Operating: 32 to 122°F (0 to 50°C); Storage: –40 to +185°F (–40 to +85°C) Enclosure Steel... - Page 20 4-Port DVI Switch with Audio & Serial Control...
- Page 21 4-Port DVI Switch with Audio & Serial Control...
- Page 24 Product Designed and Made in the USA © Copyright 2007 - Hall Research Technologies, Inc. All rights reserved...
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