hey guys i need a little help. i got my unit installed on my boat and everything worked fine for about a month and now the unit some times say transducer not connected and when it reads my temperature don't reads. i tried calling hummingbird and they told me to make sure its in advanced mode and make sure the setting is on. which everything is set up good. do you guys think it could be my unit or my transducer any help would be great thanks.