jim...help
I replaced my 3210 with the 4210 I bought from you, thanks again!
Question is, when I want to hook my fcv620 to the 4210 now, do I need to use the black ground on the nmea0183 cable or since the unit is already grounded then just bypass it. I only want to use the RX feature on port 1. The white Garmin will be connected to the FCV white, but does the orange/white need to be grounded or connected to the FCV Blue?
I want the temp and depth from my 620 displayed on the 4210.
thanks!
nick
Last edited by nmcclure; 12-24-2009 at 09:44 PM.
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