John Wix posted a discussion

I have an Airmar 150WX supplying true wind speed and true wind angle to my SeaTalkng network. The e195 and e125 MFD's correctly display TWS and TWA but my two i70's display --.- for both if these values. I tried setting the Data Source but the i70 says "Source selection not possible. Refer to manual for more info." I don't see any such reference in the manual. Incidentally, the same Data Source issue occurs on my two p70's. Any thoughts?See More