Updates & Downloads

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GSD 21 software version 2.60

as of August 10, 2009

USB Card Programmer

Download (1.33 MB)

View download instructions and system requirements

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Change History

Changes made from version 2.50 to 2.60:

• Updated software to support new memory chip.
• Fixed potential shutdown.

Changes made from version 2.40 to 2.50:

• Fixed potential shutdown.
• Improved accuracy of water temperature readings.

Changes made from version 2.30 to 2.40:

• Improved sonar performance.

Changes made from version 2.20 to 2.30:

• Improved 50kHz performance in dual frequency mode.

Changes made from version 2.10 to 2.20:

• First version to support remote updating of GSD 21 software.

Changes made from version 2.00 to 2.10:

• Improved 50kHz performance in less than 50ft of water.