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Audiocom MS-2002 User Manual

Master station and power supply
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MS-2002
Master Station and Power Supply

User Manual

9350-7749-000 Rev C
May/2006

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Summary of Contents for Audiocom MS-2002

  • Page 1: User Manual

    MS-2002 Master Station and Power Supply User Manual 9350-7749-000 Rev C May/2006...
  • Page 2 OTICE The product information and design disclosed herein were originated by and are the property of Telex Communications, Inc. Telex reserves all patent, proprietary design, manufacturing, reproduction, use and sales rights thereto, and to any article disclosed therein, except to the extent rights are expressly granted to others.

  • Page 3: Table Of Contents

    Chapter 1 Introduction ...3 Description ...3 Features ...3 Chapter 2 Installation ...5 Configuration Pre-check ...5 Headset Microphone Type Selection DIP Switch ...7 Mic Kill Send Enable DIP Switch ...7 Program Interrupt DIP Switches ...7 Incoming Call Beep DIP Switches ...7 Monaural or Binaural Operation DIP Switches ...8 Balanced Unbalance Switches ...8...

  • Page 5: Chapter 1 Introduction

    Description The MS-2002 is a complete 2-channel master station and system power supply (24 VDC, 2 Amps total power) in a single unit. Simply plug it into any AC power outlet from 100 to 240 volts, add a microphone or headset, connect intercom stations to the back panel, and you’re ready to communicate.
  • Page 6 All Talk Key - Used to talk to all stations that are listening on all channels. This includes both MS-2002 channels and all channels of any connected EMS4001 Expansion Stations. PA Key - If the MS-2002 is connected to a public address system, this key may be used to talk over the public address system.

  • Page 7: Chapter 2 Installation

    Configuration Pre-check Before connecting the MS-2002 make sure it is properly configured for you intended usage. Figure 2 shows the locations of the configuration switches. To access internal switches, remove three screws from the top cover and three screws from the bottom portion of each side.
  • Page 8 Installation Switch # SW1-1 Headset Microphone Type SW1-2 Call Signal Send, channel 1 SW1-3 Call Signal Receive, channel 1 SW1-4 Call Signal Send, channel 2 SW1-5 Call Signal Receive, channel 2 SW1-6 Mic Kill Signal Send SW1-7 Program 2 SW1-8 Program 1 Rear Panel Audiocom or Clear-Com operation...

  • Page 9: Headset Microphone Type Selection Dip Switch

    Program Interrupt DIP Switches If you plan on using external program sources with the MS-2002, you have a choice of whether or not you want the program audio to shut off on the intercom channel while you are talking. By default, program audio does not interrupt during talk. You can change this as follows: For channel 1 program interrupt during talk, set SW1-7 to ON.

  • Page 10: Monaural Or Binaural Operation Dip Switches

    The combined signals also go to the Speaker 1 jack on the back panel. The MS-2002 can also be used with two speakers for binaural operation. In this case, channel 1 is sent to the Speaker 1 jack and channel 2 is sent to the Speaker 2 jack.

  • Page 11: Mounting

    NOTE: You will have to perform the sidetone adjustment (page 17) after all components are connected. With the MS-2002 being rack mounted, you may not be able to access the sidetone trimmers. In this case, you can position the MS-2002 in the rack and make all required connections.
  • Page 12 Installation Shielded patch cable, stereo miniplug to stereo miniplug. Customer local purchase. Available at most electronic stores. Shielded audio cable. Must have male 3-pin XLR connector at one end for connection to the XP-USPG or XP-4PGM program inputs. Pin-out for program inputs is as follows: Pin 1: common Pin 2:...
  • Page 13 FIGURE 3. systems when you want to operate the MS-2002 as a master speaker station, with one speaker to monitor both intercom channels. In this configuration, the Combine/Isolate switch is set to the Isolate position. With this setting the 2 intercom channels are completely separated.
  • Page 14 FIGURE 4. systems when you want to operate the MS-2002 as a master speaker station, with a separate speaker for each intercom channel. Make sure the MS-2002 intercom DIP switches are set for binaural speaker operation as described on page 8.
  • Page 15 MS-2002 Typical Speaker Station and Belt Pack Connections. Typically, a headset is connected to the front FIGURE 5. panel of the MS-2002, and the DIP switches are set to the monaural operation (default setting) so that both intercom channels are heard in the monaural headphones (binaural headphone operation is not supported). Note, beltpacks use less power than speaker stations, and you can daisy-chain more of them on a single cable run.
  • Page 16 22, for connector pin-out.) However, a more convenient method is to use an XP-USPG Breakout Panel as shown. The XP-USPG also interfaces the PA jack of the MS-2002 to a standard, 2-pin XLR audio cable. Note: The SP-USPG Breakout Panel can be rack mounted using a BOP-1000 Rack Mount Plate.
  • Page 17 Cables Shield Cable Type: 22AWG Stranded, 2-Pair Twisted-wire, with Shield Connector Type: 3-Pin XLR Audio (Neutrik or Switchcraft) Pin 1: Common Pin 2: Channel Audio / Power Pin 3: Channel Audio / Power Shield : Earth ground Shield Cable Type: 22AWG Stranded, 3-Pair Twisted-wire, with Shield Connector Type: 6-Pin XLR Audio (Neutrik only, not compatible with 6-pin Switchcraft) Pin 1: Channel 1 &...
  • Page 18 Installation...

  • Page 19: Operation And Specifications

    Power-Up Check Plug in the MS-2002. When power is first applied to the MS-2002, it will perform a power-up reset, in which the front panel indicators will cycle through all of their possible colors and then turn OFF. This verifies the general operation of the intercom station and indicators.

  • Page 20: Voice-Activated Microphone (Vox) Setup

    Using a small, flat-bladed screwdriver, adjust the channel 1 sidetone through the access hole in the bottom of the MS-2002 (Figure 8) to minimize the tone volume. Tap the channel 1 Call key to turn off the test tone on channel 1 when finished.

  • Page 21: Operation

    The MS-2002 has two operating modes: normal operating mode and programming mode. In normal operating mode, the Mic Kill key will be unlit, and in programming mode it will be lit continuously. To return the MS-2002 to normal operation if it has been left in programming mode, tap the Mic Kill key.

  • Page 22: Microphone Mute During Talk

    NOTE: To insure that the All Talk key is never accidentally left in the ON position, it does not latch. Public Address (PA) If the PA output on the back panel of the MS-2002 is connected to a public address system, you can talk on the public address system as follows: If you are using manual microphone activation instead of Vox, make sure the proper microphone switch is turned ON (either Headset or Panel Mic).

  • Page 23: Using Voice-Activated Microphone (Vox)

    Press and hold the Mic Kill Key for about 2 seconds, then release it. It should now be glowing green to indicate that the intercom station is in programming mode. Tap either Call key on the MS-2002 to turn the beep feature ON or OFF. (It doesn’t matter which one you tap, since this feature affects both channels.)

  • Page 24: Specifications

    Operation and Specifications Specifications General Power Requirements: AC Input: 100-240 VAC, 50/60 Hz Channel Power: 24 VDC nominal (12 to 30 VDC), 65 to 150 mA MS2002 is capable of supplying 2 amps overall Dimensions: 1.75” (44.5 mm) high x 19” (483 mm) wide x 10.31” (261.9 mm) deep Weight: approximately 4.5lb.
  • Page 25 Specifications Call Signaling: Send: 11 ±3 VDC Receive: 4 VDC minimum Connector Type: Uses same connectors as for balanced mode, above, but without pinouts modified by BAL/UNBAL switch on back panel as follows XLR-3 Unbalanced Configuration Pinouts Pin 1 Common Pin 2 +24 VDC input Pin 3...
  • Page 26 Operation and Specifications Notes...

  • Page 27: Quick Reference

    Quick Reference Quick Reference Description Reset MS-2002 Reset EMS-4001 Test signal ON Test signal OFF Mic latched ON Mic latched OFF Mic momentary ON VOX mode ON VOX mode OFF All talk ON All talk OFF Public address Mic kill, one channel...

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