Lowrance fish finder nmea 2000 questions

Kevincbr900

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Joined
Apr 6, 2019
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Just got a new fish finder a lowrance lms 332c. It has the power supply cord and then another 2 cords that say needs to be connected to a nmea 2000 unit. I have no clue what that unit is. I have a very old boat from the 70s.

so my question is can I use this fish finder without this nmea unit? If I connect it to the power supply, the transducer and the GPS will it work without that nmea 2000 thing?
 
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