Yes the standard is the Compact SI. AND you don't need to mess with the setting. Default is the transducer that comes with the unit.
Helix 12 CHIRP MEGA SI+ GPS G3N and G4N, 1198c SI, SOLIX 10 SI G3, Helix 10 MEGA DI+ GPS G3N, SOLIX 12 SI and G3, MEGA 360, MEGA LIVE TL, RC-1
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