I currently have a Helix 9 DI (gen1) on the bow. I have updated my console unit from a Gen1 10 SI to a 12 MEGA SI. I want to put the 10 SI at the bow and use DI only. Can I use the dedicated DI transducer off my 9 on my 10 and just use DI only? I know that the DI crystal in the 10 SI transducer is not as good as the dedicated one off my Helix 9 DI. Is this possible or do I need to go with another transducer?