Quote Originally Posted by db50ky View Post
sorry s/b Helix SI G2N to Helix G2N any
MEGA can be shared G2N to G2N ... regardless if the 2nd unit is a SI G2N / DI G2N or a Sonar G2N ...

https://www.humminbird.com/WorkArea/....aspx?id=10463

Fixed frequency 455kHz/800kHz imaging and fixed frequency 2d can be shared to earlier networkable units (excluding ONIX SOLIX) ... CHIRP must be shut off ...

Rickie