Hi, am new to this, I just bought 998c, I also got the transom highe speed transducer to hook with sidby cable with si.
My question is what to choose in the transducer setup section, do I keep it on HD sideimging , do I have to switch the setup when you go fast. , or dose the head unit use that as the main 2d transducer as soon as you hook it up?
Thanks