HAS ANYONE TAKEN A REGULAR FISFINDER AND USED IT ON THE ICE? I HAVE SEEN SOME OTHER STUFF ON THE NET WHERE SOMEONE HAS MOUNTED A REGULAR FISHFINDER TO A BOX OR BUCKET, INSTALLED A BATTERY AND SUSPENDED THE TRANSDUCER FROM A HOMEMADE SUPPORT OF SOME KIND. THEY COMMENTED THAT IT WORKED WELL. ANYONE HAVE ANY COMMENTS.THANKSSHANNON