Teleflex Tfx 100 Id By Hummingbird?

EARLS BOAT

Petty Officer 2nd Class
Joined
Aug 2, 2008
Messages
143
Is Teleflex Tfx 100 Id Made By Hummingbird? I'm Looking For A Transducer And I Think I Have Found One. On Back Of The Unit There Are Three Ports One Is Marked P For Power , One Marked T For Transducer , One Is Marked With An (a) What The Heck Goes There?
 
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