Quote Originally Posted by JustinM1 View Post
the latter. helix 7 SI
Core series HB SI units do not have a dedicated DI piezo in the SI xducer to collect DI Sonar data from directly under the boat ... (MEGA, ONIX, and SOLIX do) ...

The data collected from the side pointing SI piezoes is computer generated into a format that looks like a DI image ...
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There still should be some things in the DI image ...

It may help to mark a good brushpile or stake bed with buoy markers and scan repeatedly with different settings to see what the changes do ...

Rickie