Posted 9/25/2011 09:50 (#1977831 - in reply to #1977777) Subject: Re: ag leader 3000
North West IA/western AZ
What antenna are you using? It may need a null modem cable to work. I have always use port 1. Started with an EZ Guide + then a 500 (both took the null modem) and now a CFX 750 with a special cable that hooks up without the null modem.