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Walleye Message Central - View Single Post - Helix 9 and NMEA 2000
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Old 02-05-2016, 09:50 PM
40fish 40fish is offline
Slot Fish
Join Date: Mar 2014
Location: Gillette Wyoming
Posts: 120

I can't help you with the NMEA, but thought I would share a bit of info on the 9SI. The Helix 9 SI comes standard with the compact SI transducer. The Helix 10 SI comes with the HD SI transducer, which gives a bit better detail. You can upgrade the transducer after you purchase you 9 SI using Humminbird's transducer exchange program. The upgrade cost around $85. It might not be a big deal to most, but I thought I should share the info. I'm doing the exchange so I have the HD transducer on my bow motor and transom.
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