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Might try support@johnsonoutdoors.com and hope for the best...

ZLC is included with the package.
Lakemaster cards area not shared by Helix, only Onix and Solix.

It's v3 - 600015-5

https://www.humminbird.com/Products/HCGL3/

Look for *.ACD or *.ACU files and move them off the card, or into another folder you create.