What transducer to use for humminbird 570 for ice fishing

SOURCE: go about getting operational anual for fish finder humminbird

I found what you are looking for. Go to: http://www.humminbird.com/support/FAQ.aspx?faqid=72

You can download the operating manual.

SOURCE: when powering up[on land] it says transducer not connected

Disconnect cable from back of unit clean the pin connections on the unit and on the cable. If rusty clean with Corrosion X are WD
IF it doesnt work replace cable Jim OMC Retired Mech

SOURCE: hummingbird 570.....after about 10 minutes

I had the same problem.A new transducer got it working.

SOURCE: hummingbird 570.....after about 10 minutes of unit

Install a new transducer

SOURCE: I have my Humminbird fishfinder

I would contact our customer service group and they will be able to help you. Our number is 800-633-1468.