FIRST OFF LET ME WISH ALL A VERY MERRY AND HEALTHY CHRISTMAS.<br /><br />NOW; DOES ANYONE KNOW OF ANY REASON WHY A 192 KH CAN'T BE USED IN PLACE OF A 200 KH TRANSDUCER ON A DEPTH FINDER? IS IT THAT IT JUST WILL NOT WORK? OR JUST SHOW IT WRONG DEPTHS? THANKS