I pulled my Echomap Plus 93sv and 73cv off of my boat when I sold it. I've ordered a kayak and am going to put the 73cv on it. My question is, can I swap out the GT22 transducer that came with the 73cv with the GT54 transducer that came with the 93sv? Will the 73cv "become" a 73sv? Or is it not compatible with Sidevu no matter what transducer is on it? I don't have any batteries right now to test this theory out.