Re: Dual Frequency Fish Finders
This is more a practical benefit, not so much for performance. :
I'm planning on getting a GPS/FF combo. It will mainly be a GPS, but for a few more bills I'll have a backup sounder. The existing fishfinder has a single 200kHz transducer, but if I buy a dual freq. transducer for the combo unit, I would have the option to run both at the same time if one's at 50kHz and the other is at 200kHz. IIRC, you can't run two transducers at the same time at the same frequency, or else you'll get interference.
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Hybrid Mode
