Humminbird Side Imaging Forums
Side Imaging Forums => 987c SI and 981c SI => Topic started by: fivealive on February 16, 2019, 05:39:17 PM
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Hello everyone.
I was wandering about the purpose of the two expansion ports on the left (back of unit). Can I use it to plug in a second tranducer or what?
Thanks a lot in advance
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I don't recall any accessories ever being developed for this feature ...
(https://lh3.googleusercontent.com/TG3EGIJNc02qyKTP5eTMLcQVcHYFryYtwLb9qq34UgapZdMTTRwhFU-x917sTzYm3Z7PpzL5nL_Iawcyp_nX5yNe1jNf-gVt5RFyq0zk6rgYdgfrvkzMyagOYmhfPXbdxoLb3O8hJA=w400)
You might call HB and ask ... 1-800-633-1468
Rickie