Garmin GSD 28 Sonar Module Software

Garmin GSD 28 Sonar Module Software

Latest Update: 1/2/2025


Changes made from version 5.01 to 6.01:

  • Enhanced transducer thermal management.
  • Fix manual configuration for discrete transducers.

Changes made from version 5.00 to 5.01:

  • Improve handling of invalid XID temperature readings

Changes made from version 4.01 to 5.00:

  • Added Support for Garmin GT17M.
  • Improved Ping Rate for 1000ft and deeper.

Changes made from version 3.00 to 4.01:

  • Added Support for Airmar R599LM, CM599LM, R509LM.
  • Added Support for Airmar PM111LHW.
  • Improved Transmit Rate at 400 to 1000ft.

Changes made from version 2.20 to 3.00:

  • Added support for Airmar B75HW, B175MW and TM185MW.

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    • Garmin GSD28 Installation Manual

      Manual Attached

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