hummingbird down image or side image

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Originally Posted by shaved ice

thank you all , that cleared up a lot. does anyone notice less quality in picture using the us2 on the terrova as to using a hummingbird xducer, like I said i have been a lowrance user for years but would like to try a bird on the terrova but I'm questioning the us2 xducer I don't feel my front imsge is as good as my back unit

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NOTE: US2 is 200kHz/83kHz ... HELIX G3N and G4N use Low Q HW CHIRP 2d ...

Meaning - while HELIX G3N and G4N can be set to use US2 - HELIX has to be “dumbed down” to do so ...

If your Terrova is US2 it’s best to use the xducer that came with HELIX ...

Rickie