SeaTalk Error Message

I've attached a screen shot of an error message that I see when I'm looking to select a data source. I can find no reference to it.

Is there a location on the net or manual I can download to troubleshoot this?

Thanks,

Rick Segal
S/V Tessie Marie, Campbell River, BC

  seatalkmsg.jpg (Size: 307.99 KB / Downloads: 1)