M-Audio ProFire Lightbridge User Manual
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M-Audio ProFire Lightbridge User Manual

34-in/36-out firewire lightpipe interface
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34-in/36-out FireWire Lightpipe Interface

User Guide

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Summary of Contents for M-Audio ProFire Lightbridge

  • Page 1: User Guide

    34-in/36-out FireWire Lightpipe Interface User Guide English...

  • Page 2: Table Of Contents

    Table of Contents English ............2 Introduction .

  • Page 3: English

    M-Audio ProFire Lightbridge User Guide Introduction hank you for purchasing M-Audio’s ProFire Lightbridge interface. ProFire Lightbridge uses the ADAT optical I/O standard to bring extensive digital connectivity to your studio. With its four ADAT optical inputs, four ADAT optical outputs, S/PDIF coaxial input and output, and stereo analog outputs, ProFire Lightbridge lets you connect a variety of devices to your FireWire-equipped digital audio workstation.

  • Page 4: About Profire Lightbridge

    ProFire Lightbridge User Guide About ProFire Lightbridge IMPORTANT: ProFire Lightbridge comes with premium roFire Lightbridge is a 1U, half-rack audio interface six-pin-to-six-pin and four-pin-to-six-pin FireWire cables. designed to greatly expand the power of your We strongly suggest you use one of these cables to digital studio.

  • Page 5: Profire Lightbridge Features

    M-Audio ProFire Lightbridge User Guide ProFire Lightbridge Features Four ADAT optical Lightpipe inputs and outputs < Two channels of coaxial S/PDIF I/O < Stereo balanced 1/4” analog outputs with dedicated level control < All 34 inputs and 36 outputs can be used simultaneously <...

  • Page 6: System Requirements

    ProFire Lightbridge User Guide System Requirements Minimum System Requirements 16 channels of ADAT Lightpipe at 16-bit/44.1kHz Windows: Macintosh: Pentium IV 1.8 GHz Power Mac G4 1 GHz (G4 accelerator cards not supported) 512 MB RAM 512 MB RAM 7200 rpm HD (8 MB buffer)

  • Page 7: Controls And Connectors

    M-Audio ProFire Lightbridge User Guide Controls and Connectors Front Panel Headphone Output – Accepts a standard 1/4” stereo headphone connector. This output always mirrors the analog line output. The headphone level is independent of the line output level, and is controlled by the headphone level knob (2).

  • Page 8: Rear Panel

    ProFire Lightbridge User Guide Rear Panel 11. Power Supply Connector – Connect the 12V DC 1A power supply here. Use only the power supply provided with the interface or an equivalent power supply with the same rating and polarity. If you are using the six-pin-to-six-pin FireWire cable to attach ProFire Lightbridge to your computer, the interface will draw power from your host computer.

  • Page 9: Driver Installation

    M-Audio ProFire Lightbridge User Guide Driver Installation or detailed instructions on installing ProFire Lightbridge drivers, please refer to the printed Quick Start Guide. IMPORTANT: Do not connect ProFire Lightbridge to your computer until you have installed the driver files. If you have already connected the interface to your computer, please disconnect it and follow the driver installation instructions as detailed in the Quick Start Guide.

  • Page 10: Midi

    ProFire Lightbridge User Guide MIDI Connect a MIDI device to the MIDI I/O connectors on the breakout cable. The interface’s MIDI connection appears as a standard MIDI data port in your audio workstation software. This connection can be used to connect any MIDI compatible synthesizer, drum machine, or controller to your computer.

  • Page 11: The Software Control Panel

    ProFire Lightbridge drivers, you can use the control panel software to configure various parameters of the interface. To access the control panel in Windows, click the red M-Audio icon in the system tray, or click Start > Control Panel and select the ProFire Lightbridge control panel icon.
  • Page 12 ProFire Lightbridge User Guide Macintosh Sample Rate Detected This window displays the incoming sample rate of the sync master source. This is an information-only display–the incoming sample rate must be changed through your audio software (if the sync source is set to internal), or by changing the sample rate output of the designated master device (if your sync source is set to any of the external options).
  • Page 13 M-Audio ProFire Lightbridge User Guide ASIO/WDM Buffer Size (Windows Only) In this field you can select the buffer size you wish to work with. Lowering the buffer size will result in lower latency (“latency” refers to the time it takes for your input signal to pass through your audio software and appear at the outputs).

  • Page 14: About Page

    This page contains information about your hardware and current driver software versions. This information may be helpful, should you ever need to contact technical support. Clicking the M-Audio web links will take you directly to the designated page on our website (you will need an Internet connection to use this feature).

  • Page 15: Word Clock Synchronization

    M-Audio ProFire Lightbridge User Guide Word Clock Synchronization Understanding Word Clock Your computer-based DAW stores and manipulates music as digital samples. Those samples are sent to and from your DAW as “snapshots” of data. These snapshots are all the same size—16- or 24-bit, depending on your selected resolution—with a beginning and an end, and are sent one after the other as a stream of data.
  • Page 16 ProFire Lightbridge User Guide Scenario 2: ProFire Lightbridge Slaved to an Optical Input If you prefer to use another device as word clock master, you will need to configure that device to act as master and select that device’s input on ProFire Lightbridge as the sync source. This slaves ProFire Lightbridge (and any other devices connected to the ProFire Lightbridge) to that master device.
  • Page 17 M-Audio ProFire Lightbridge User Guide Scenario 3: ProFire Lightbridge Slaved to S/PDIF Input You may need to use a two-track device as word clock master. This is because many two-track digital devices, such as consumer CD players, are not designed to be slaved to other devices and must be selected as the word clock master when inputting a digital audio signal.
  • Page 18 ProFire Lightbridge User Guide Scenario 4: ProFire Lightbridge Slaved to Word Clock BNC Input In many larger digital setups, a master word clock generator is employed to provide an accurate timing reference to the entire setup. In this case, ProFire Lightbridge can be slaved to the word clock generator’s BNC output, with other devices configured as slaves and receiving their word clock distribution via ProFire Lightbridge.

  • Page 19: Specifications

    M-Audio ProFire Lightbridge User Guide Specifications D/A Converters 44.1, 48, 88.2, 96kHz Supported Bit Rates 16-bit, 24-bit 4 optical Lightpipe Digital Inputs stereo coaxial S/PDIF Digital Audio Outputs 4 optical Lightpipe stereo coaxial S/PDIF Line Outputs 1/4” TRS balanced/unbalanced Output Impedance...

  • Page 20: Warranty

    Warranty Registration Thank you for registering your new M-Audio product. Doing so immediately both entitles you to full warranty coverage and helps M-Audio develop and manufacture the finest quality products available. Register online at www.m-audio.

  • Page 21: Technical Support

    M-Audio USA M-Audio Germany 5795 Martin Rd., Irwindale, CA 91706 Kuhallmand 34, D-74613 Ohringen, Germany Technical Support Technical Support web: www.m-audio.com/tech e-mail: support@m-audio.de tel (pro products): (626) 633-9055 +49 (0)7941 - 9870030 tel (consumer products): (626) 633-9066 fax: +49 (0)7941 98 70070...

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