GR-20

Updates & Drivers

  • GR-20 System Update Version 2.00 (PC)

    This is the Version 2 Operating System for the GR-20, adding support for Bass. Please refer to the "readme.pdf" for the update procedure.

  • GR-20 System Update Version 2.00 (MAC)

    This is the Version 2 Operating System for the GR-20, adding support for Bass. Please refer to the "readme.pdf" for the update procedure.

  • SMF Player for Mac OS X v10.7 / OS X v10.8 / OS X v10.9

    About the UpdSMF

    • UpdSMF is a simple SMF player that runs on Mac OS X v10.7 / OS X v10.8 / OS X v10.9.
      This SMF player is designed to be used only for updating, and cannot be used to play back conventional SMF music data.
    • Before using this, you must first install a MIDI driver so that MIDI data can be transmitted.
      For the installation procedure, refer to the documentation for your driver or application.

  • SMF Player for Windows

Owner's Manuals

Support Documents

  • GR-20 Q&A

    A collection of popular articles from the GR-20 knowledge base.

  • GR-20 TurboStart

    Turbostart for the GR-20

  • GR-20 Workshop 01: Getting Started with the GR-20

    This booklet helps you get up and running with the GR-20. You’ll learn how to set up your rig, and how to optimize the GR-20 for the way you play. It also discusses the various ways to select patches and how to get the most out of them.

  • GR-20 Workshop 02: Customizing GR-20 Patches

    The GR-20 offers lots of ways to make its patches your own. In this booklet, you’ll learn how to edit GR-20 patches, changing the way they sound and the way they behave.

  • GR-20 Workshop 03: Using the GR-20 with a Sequencer

    This booklet explains how the GR-20, together with a MIDI sequencer, allows you to make MIDI recordings from your guitar. It contains lots of setup instructions and tips for sequencing.