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With a PSI-1 Interface and a LiveSight Sonar transducer installed on your HDS Carbon or NSS evo3 system, you can watch fish react to your lure – as it happens – giving you insight on what’s working, what isn’t and what to do next.Simrad NSO evo3 requires a SonarHub and the PSI-1 module for LiveSight compatiblity.Note: Lowrance Carbon MFDs require software version 19.1: Simrad NSS/NSO evo3 MFDs require software version 19.3 or later.