Ask for a refund mate its obvious that its not fit for use and not what it is advertised as ,consumer affairs will support you i am sure phone them and check. Pack it up and buy the furuno its appaulling that they treat there customers this way no wonder people buy o/s since the service you get here is nonexistant bugger lowrance they may have some great features but they're no good if they dont bloody work ,i feel your pain ..matt