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Argonaut-MD Firmware Version 20.5

October, 2006 - Argonaut-MD firmware version 20.5 has been released. This firmware includes the following features.

  • Addition of detailed diagnostic data
  • Support for new 360º solid-state compass
  • Expanded internal memory
  • Change to location of sampling volume (based on acoustic frequency of system)

If you wish to take advantage of these features, follow the instructions below based on the version of firmware currently in your system.

  • Argonaut-MD Firmware Version 7.0 or later

This is a free update for systems that currently have v7.0 or later firmware installed. We strongly recommend updating your system to this new version. To do so, simply:

  1. Download and install the latest version of SonUtils.
    - v4.20 for Windows Vista/XP/2K, or
    - v2.50a for Windows 98/95
  2. Download and install the latest version of ViewArgonaut (v3.62).
  3. Download the Firmware v20.5 update package - This package includes release notes that explain the new features and how to take advantage of them. It also includes the firmware file, your serial number access code, and instructions for loading the firmware into your system. Note: When you use the above link, you must to enter the system serial number(s) for the applicable systems.
  • Argonaut-MD Firmware Versions before v7.0

Any system with a firmware version before v7.0 would need to be returned to SonTek for a hardware upgrade. There will be a fee for this service. Please contact our Support team for an RMA to upgrade your systems (support@sontek.com; +1-858-546-8327).


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SonTek is a division of YSI Incorporated
Updated: April 21, 2008