2 sonars off the same transducer

89retta

Senior Chief Petty Officer
Joined
Jul 18, 2010
Messages
780
I've got a hummingbird helix 5 on our boat . It's mounted on the port side. What I would like to know is if I got another smaller hummingbird sonar can I run both units off the same transducer? Thanks for any help
 

dingbat

Supreme Mariner
Joined
Nov 20, 2001
Messages
16,313
I've got a hummingbird helix 5 on our boat . It's mounted on the port side. What I would like to know is if I got another smaller hummingbird sonar can I run both units off the same transducer? Thanks for any help
Assuming both units would support the same transducer, (power and frequency) you would need a way to switch the cable from one unit to the other, I.e. selector switch.

Assuming both units support a NMEA 2000 interface, you could network the two units together and “share” the transducer signal
 
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