Studio Technologies 770 User Manual
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Studio Technologies 770 User Manual

Audio mixer/ifb controller
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Model 770
Model 770 Audio Mixer/IFB Controller
User Guide
© 1997 by Studio Technologies, Inc., all rights reserved

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Summary of Contents for Studio Technologies 770

  • Page 1 Model 770 Model 770 Audio Mixer/IFB Controller User Guide © 1997 by Studio Technologies, Inc., all rights reserved...
  • Page 3 Model 770 Table of Contents Model 770 User Guide Issue 1, October 1997 Studio Technologies, Inc. Page 3...
  • Page 4 Model 770 Issue 1, October 1997 Model 770 User Guide Page 4 Studio Technologies, Inc.
  • Page 5 Model 770 Foreword Model 770 User Guide Issue 1, October 1997 Studio Technologies, Inc. Page 5...
  • Page 6 Model 770 Issue 1, October 1997 Model 770 User Guide Page 6 Studio Technologies, Inc.

  • Page 7: What This User Guide Covers

    Model 770 Model 770 Introduction What This User Guide Covers Figure 1. View of Model 770 Front Panel Figure 2. View of Model 770 Back Panel Model 770 User Guide Issue 1, October 1997 Studio Technologies, Inc. Page 7...

  • Page 8: System Features

    Model 770 System Features Mixer Section Mic/Line Inputs AUX Output Configurable Outputs Stereo Line Inputs Main Output IFB Section Issue 1, October 1997 Model 770 User Guide Page 8 Studio Technologies, Inc.
  • Page 9 Model 770 Telephone Interface Audio Sources Model 770 User Guide Issue 1, October 1997 Studio Technologies, Inc. Page 9...

  • Page 10: Monitor Section

    Model 770 Monitor Section IFB Outputs Issue 1, October 1997 Model 770 User Guide Page 10 Studio Technologies, Inc.

  • Page 11: Locating The Unit

    Model 770 Locating the Unit Talk Back Mounting, Connectors, and Mains Power Installation Mounting Model 770 User Guide Issue 1, October 1997 Studio Technologies, Inc. Page 11...

  • Page 12: Mixer Section

    Model 770 Connections Caution: Mixer Section Mic/Line Inputs Main Outputs—General Information Stereo Line Inputs Issue 1, October 1997 Model 770 User Guide Page 12 Studio Technologies, Inc.
  • Page 13 Model 770 Main Output 4 Note: Main Outputs 1, 2, and 3 AUX Outputs—General Information AUX Output 1 Model 770 User Guide Issue 1, October 1997 Studio Technologies, Inc. Page 13...
  • Page 14 Model 770 AUX Output 2 IFB Section IFB Line Inputs Configurable Outputs Issue 1, October 1997 Model 770 User Guide Page 14 Studio Technologies, Inc.
  • Page 15 Model 770 Telephone Interface Model 770 User Guide Issue 1, October 1997 Studio Technologies, Inc. Page 15...
  • Page 16 Model 770 Issue 1, October 1997 Model 770 User Guide Page 16 Studio Technologies, Inc.
  • Page 17 Model 770 IFB Line Output Talent Amplifier Output Model 770 User Guide Issue 1, October 1997 Studio Technologies, Inc. Page 17...
  • Page 18 Model 770 Intercom Link Output IFB Monitor Output Issue 1, October 1997 Model 770 User Guide Page 18 Studio Technologies, Inc.
  • Page 19 Model 770 Model 770 User Guide Issue 1, October 1997 Studio Technologies, Inc. Page 19...

  • Page 20: Connecting Ac Mains Power

    Model 770 Monitor Section External Monitor Inputs 1kHz Direct Output Monitor Output Connecting AC Mains Power Issue 1, October 1997 Model 770 User Guide Page 20 Studio Technologies, Inc.

  • Page 21: Configurable Outputs

    Model 770 Configuration Configurable Outputs Figure 3. Detail of back panel showing mains power and voltage configuration chart Model 770 User Guide Issue 1, October 1997 Studio Technologies, Inc. Page 21...
  • Page 22 Model 770 • • • • • Figure 4. Detail of back panel configurable output section (typical of 3) Issue 1, October 1997 Model 770 User Guide Page 22 Studio Technologies, Inc.

  • Page 23: Vu Meter Calibration

    Model 770 VU Meter Calibration Figure 5. Detail of back panel showing meter calibration trim pot Model 770 User Guide Issue 1, October 1997 Studio Technologies, Inc. Page 23...
  • Page 24 Model 770 IFB Line Input Configuration Figure 6. Detail of back panel showing IFB line input configuration section Issue 1, October 1997 Model 770 User Guide Page 24 Studio Technologies, Inc.
  • Page 25 IFB Telco Interface Telephone Interface Audible Ringing Configuration Telephone Interface Send Audio Source IFB Program Mute/Dim Configuration Figure 7. Detail of back panel showing IFB telco interface configuration section Model 770 User Guide Issue 1, October 1997 Studio Technologies, Inc. Page 25...
  • Page 26 Model 770 IFB Talent Amplifier Output Configuration • Figure 8. Detail of back panel showing PGM dim/mute and talent amplifier output • • Issue 1, October 1997 Model 770 User Guide Page 26 Studio Technologies, Inc.
  • Page 27 Model 770 1kHz Direct Output Figure 9. Detail of back panel showing 1kHz tone direct output configuration Model 770 User Guide Issue 1, October 1997 Studio Technologies, Inc. Page 27...

  • Page 28: Operation

    Model 770 Operation Figure 10. Detail of front panel showing mic/ line input channel (typical of 3) Mixer Section Mic/Line Inputs Low-Cut Filter Input Sensitivity Issue 1, October 1997 Model 770 User Guide Page 28 Studio Technologies, Inc.

  • Page 29: Level Control

    Model 770 Bus Assignment Main Bus Assignment AUX Bus Assignment Status LED Stereo Line Inputs Level Control Model 770 User Guide Issue 1, October 1997 Studio Technologies, Inc. Page 29...

  • Page 30: Master Output

    Model 770 Bus Assignment Master Output Main and AUX Master Level Controls Limiter/Compressor Figure 11. Detail of front panel showing stereo line inputs Level Controls Issue 1, October 1997 Model 770 User Guide Page 30 Studio Technologies, Inc.
  • Page 31 Talk to Main and AUX IFB Section Program and Interrupt Bus Operation Figure 12. Detail of front panel showing master output section 1kHz to Main and AUX Model 770 User Guide Issue 1, October 1997 Studio Technologies, Inc. Page 31...
  • Page 32 Model 770 Figure 13. Detail of front panel showing IFB line inputs Issue 1, October 1997 Model 770 User Guide Page 32 Studio Technologies, Inc.
  • Page 33 Model 770 Interrupt LED Source Assignment Switches Level Meter Local IFB Model 770 User Guide Issue 1, October 1997 Studio Technologies, Inc. Page 33...
  • Page 34 Model 770 Telephone Interface Figure 14. Detail of front panel showing IFB master section IFB Master Level Controls Issue 1, October 1997 Model 770 User Guide Page 34 Studio Technologies, Inc.
  • Page 35 Model 770 Auto Answer Function IFB Monitor Output Figure 15. Detail of front panel showing telco interface Model 770 User Guide Issue 1, October 1997 Studio Technologies, Inc. Page 35...
  • Page 36 Talk To Telco Function Figure 16. Detail of front panel showing monitor section Main • • Monitor Section • EXT 1 • • EXT 2 Source Selection Buttons Issue 1, October 1997 Model 770 User Guide Page 36 Studio Technologies, Inc.
  • Page 37 Model 770 Warning: Metering Practical Operating Tips Monitor Output Setting the Mixer Section’s Bus Operating Levels Headphone Output Model 770 User Guide Issue 1, October 1997 Studio Technologies, Inc. Page 37...

  • Page 38: Technical Notes

    Model 770 Signal Present/Peak LEDs Technical Notes ¼-Inch Plugs and EIA RS-453 Limiter/Compressor Talent Amplifiers Issue 1, October 1997 Model 770 User Guide Page 38 Studio Technologies, Inc.
  • Page 39 Model 770 Definition of Level VU Meter Calibration Faux VU Meter Model 32 and 33 Output Level Model 770 User Guide Issue 1, October 1997 Studio Technologies, Inc. Page 39...
  • Page 40 Model 770 Issue 1, October 1997 Model 770 User Guide Page 40 Studio Technologies, Inc.

  • Page 41: Specifications

    Main Output 4, AUX Output 2: General Audio Parameters: Type: Frequency Response: Distortion (THD+N): Source Impedance: Nominal Level: S/N Ratio: Maximum Level: Mic/Line Inputs: Type: Impedance: Common Mode Rejection Ratio: Model 770 User Guide Issue 1, October 1997 Studio Technologies, Inc. Page 41...
  • Page 42 Maximum Level: Maximum Level: IFB Intercom Link Out: Monitor Section External Monitor Inputs: Output Type: Type: Output Impedance: Impedance: Output Level: Common Mode Rejection Ratio: Nominal Level: Issue 1, October 1997 Model 770 User Guide Page 42 Studio Technologies, Inc.
  • Page 43 Type: Source Impedance: Nominal Level: Maximum Level: Headphone Output: Compatibility: Maximum Voltage: 1kHz Tone Output: Type: Source Impedance: Wave Form: Output Level: Metering: Type: Calibration: Illumination: Polarity: Model 770 User Guide Issue 1, October 1997 Studio Technologies, Inc. Page 43...
  • Page 44 Model 770 Issue 1, October 1997 Model 770 User Guide Page 44 Studio Technologies, Inc.

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Model 770

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