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Hall Research Technologies VSA-X21 User Manual

Hdmi audio extractor with 50 watt audio amplifier, hdbt input, line audio input rs-232 ports and ip control (telnet & internal web gui)
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User's Manual
VSA-X21
HDMI Audio Extractor with 50 Watt Audio
Amplifier, HDBT Input, Line Audio Input
RS-232 Ports and IP Control
(Telnet & Internal Web GUI)
UMA1234 Rev A
© Copyright 2017. Hall Research, Inc. All rights reserved.
1163 Warner Ave   Tustin, CA 92780, Ph:  (714)641‐6607, Fax (714)641‐6698 

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  • Page 1 User’s Manual VSA-X21 HDMI Audio Extractor with 50 Watt Audio Amplifier, HDBT Input, Line Audio Input RS-232 Ports and IP Control (Telnet & Internal Web GUI) UMA1234 Rev A © Copyright 2017. Hall Research, Inc. All rights reserved. 1163 Warner Ave   Tustin, CA 92780, Ph:  (714)641‐6607, Fax (714)641‐6698 ...

  • Page 3: Table Of Contents

    Table of Contents 1.0 INTRODUCTION....................2 2.0 FEATURES ...................... 3 2.1 P ACKAGE ONTENTS ..................3 3.0 SETUP ......................4 3.1 I NSTALLATION ....................4 4.0 OPERATION ....................5 4.1 F RONT ANEL ....................5 4.2 R ANEL ....................7 4.3 F ACTORY EFAULT...

  • Page 4: Introduction

    HDMI Audio Extractor with Power Amplifier 1.0 Introduction The VSA-X21 is a 4K HDMI Audio Extractor with built-in 50 watt audio amplifier for direct connection of 8 ohm speakers. It provides an additional line-level stereo audio input that can mix with the HDMI audio. Volume can be controlled using front panel buttons, RS- 232 commands, WebGUI, Telnet, or via an external rotary digital encoder.

  • Page 5: Features

    Compact, Rugged, Reliable, and Economical  Made in the USA 2.1 Package Contents Qty (1) VSA-X21 Qty (1) 48V DC Universal DC Power Adapter Qty (1) User’s Manual Qty (1) Type A to Mini-B USB cable Qty (1) 4 Position Screw Terminal Strip...

  • Page 6: Setup

    HDMI Audio Extractor with Power Amplifier 3.0 Setup 3.1 Installation  Connect an HDMI compatible source signal to the HDMI IN connector.  Optionally, connect the HDMI display device to the HDMI OUT connector. A display device is NOT required for audio only applications. ...

  • Page 7: Operation

    VSA-X21 4.0 Operation The following is a functional block diagram of the audio routing in the VSA-X21: Figure 2 – Audio Routing and Processing Diagram 4.1 Front Panel Figure 3 - Front Panel MUTE Press this button to mute the output audio. When the unit is muted, the LED glows.
  • Page 8 When the AUTO LED is on when AUTO MODE has been activated. This means the VSA-X21 can switch to an active INPUT and optionally transmit RS- 232 ON and OFF strings to an external device (like a projector or LCD).

  • Page 9: Rear Panel

    VSA-X21 Connect the supplied USB cable to a compatible Windows™ PC using for use with the Software GUI available for download from http://www.hallresearch.com. 4.2 Rear Panel Figure 3 – Rear Panel HDMI IN Connect the HDMI connector to a compatible video source. (e.g., such as a DVD or Blu- ray player).

  • Page 10: Factory Default

    HDMI Audio Extractor with Power Amplifier VOL Control / PAGE Sense Terminals These 3 terminal strip connections have different purposes based on the system configuration.  For VOLUME Control  Connect a compatible rotary encoder (Model UI-KNOB-DP) to the CW, CCW and GND terminals for system volume control.

  • Page 11: Line In Connection

    AC cord has a ground prong). If the preamp does not provide a balanced (differential) output, you should not tie the return of your source to the ground of the VSA-X21. Doing so would create a ground loop that will most likely cause audio hum.

  • Page 12: L/R Speaker Connections

    HDMI Audio Extractor with Power Amplifier 4.6 L/R Speaker Connections NOTE The audio amplifier is designed to drive loads equal to or greater than 8 Ω Using lower loads may cause an over-current shutdown of the audio amplifier, this will be detected and the amplifier will be reset. Audio output from the amplifier will mute during this time.

  • Page 13: Serial Commands

    VSA-X21 5.0 Serial Commands  The following table lists the RS-232 commands: o A single carriage return character (0x0D) must terminate each command. o Invalid input, spaces and line feeds characters (0x0A) are ignored.  RS-232 communication on the RS-232 IN terminal strip is: o 9600 bps, 8 Bit, No Parity, 1 Stop bit.
  • Page 14 HDMI Audio Extractor with Power Amplifier Response Command Function and Example VDNxx VOLxx<CR> Controls Audio output level. Optional range is 0 to 100%. VDN<CR> – Adjust volume level down 2% VDN10<CR> – Adjust volume level down 10% VCx<CR> Controls current volume control setting VC?<CR>...
  • Page 15 VSA-X21 Response Command Function and Example MOx<CR> Controls the MONO/STEREO Status MO?<CR> – Query current MONO/Stereo Setting MO1<CR> – Turn on MONO MO0<CR> – Turn off MONO (Stereo) (Factory Default) FPx<CR> Controls the Front Panel Lock Status FP?<CR> – Query current Front Panel Lock Setting FP1<CR>...
  • Page 16 HDMI Audio Extractor with Power Amplifier Response Command Function and Example SB? or SBxxx.xxx.xxx.xxx<CR> Controls Subnet Mask setting |SBx SB?<CR> – Query current Subnet Mask |SB255.255.255.000<CR> - Set the Subnet Mask to 255.255.255.000 Note: Setting takes effect when Gateway address is set GW? or GWxxx.xxx.xxx.xxx<CR>...
  • Page 17 VSA-X21 Response Command Function and Example PGx<CR> Controls the Encoder/Page Sensor Setting PG?<CR> – Query current Encoder/Page Sensor setting PG0<CR> – Rotary Encoder (Factory Default) PG1<CR> – Page Sensor (Model VSA-PGSNS) PG2<CR> – Contact Closure (CW & GND) Note: Using the Rotary Encoder or Page Sensor will disable the ability to use the PAGE SENSE (CW &...
  • Page 18 HDMI Audio Extractor with Power Amplifier Response Command Function and Example WPx<CR> UHBX-SW3-WP/S Installed Selection WP?<CR> – Query current UHBX-SW3-WP/S Installed selection WP1<CR> – UHBX-SW3-WP/S Installed WP0<CR> – UHBX-SW3-WP/S NOT Installed UIx<CR> X21-UI Installed Selection UI?<CR> – Query current X21-UI Installed selection UI1<CR>...
  • Page 19 VSA-X21 Response Command Function and Example BGx,y<CR> Button Group Selection Button x = 0 thru 7 Button Group y = 0 thru 8 0 = NO GROUP, 1 thru 8 separate groups available BG?<CR> – Query current all button group states BGx?<CR>...

  • Page 20: Auto Detection

    Using this feature disables the use of a Rotary Encoder or Page Sensor. 5.3 Device Addressing The model VSA-X21 units have the ability to daisy chain the RS-232 IN and RS-232 OUT together with other units and have a serial controller at the head of the chain be able to access all the units in the chain.
  • Page 21 VSA-X21 For example: With any number of units daisy chained together and factory default setting of “0” for a device address, sending a “PW1” command will result in all units powering on.  RS-232 Controller connected to Unit #1 RS-232 IN ...

  • Page 22: Webgui And Telnet Operation

    HDMI Audio Extractor with Power Amplifier 6.0 WebGUI and Telnet Operation The VSA-X21 has a built-in webpage that can control the basic functions of this model via a compatible LAN Network. The webpage has buttons and indicators that show the state of that feature.

  • Page 23: Locating The Device On A Compatible Lan Network

    It uses a non-invasive sensor that monitors existing PA lines without having to splice into the wires. The sensor detects when an external PA system has activated and sends a signal to the VSA-X21 to mute the audio. Once the external PA line goes quiet, the VSA- X21 will resume audio output.

  • Page 24: Page Sensor Installation

    The sensitivity is related to the number of turns used.  Connect the leads on the sensor to the VSA-X21 terminals labeled “SENSE” (CW and CCW). Connect white to CW (+) and black to CCW (-) terminals. ...

  • Page 25: Troubleshooting

    VSA-X21 9.0 Troubleshooting If you are experiencing problems getting the VSA-X21 to work properly, please use the following troubleshooting suggestions.  Make sure that all of the connections are solid. Loose connections are the number one cause of issues. ...

  • Page 26: Specifications

    (32mm H x 229mm W x 109mm D) Depth excludes connectors Product weight Amplifier 1.5 lbs Kit (shipping) 4.2 lbs includes: VSA-X21, power supply w/cord, USB cable, terminal strips, users manual, and packaging Vibration ISTA 1A in carton (International Safe Transit Association) Safety...
  • Page 28 © Copyright 2017. Hall Research, Inc. All rights reserved. CUSTOMER Order toll-free in the U.S. 800-959-6439 FREE technical support, Call 714-641-6607 or fax 714-641-6698 SUPPORT Mail order: Hall Research, 1163 Warner Ave. Tustin, CA 92780 INFORMATION Web site: www.hallresearch.com E-mail: info@hallresearch.com...

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