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Max Online: 36273 @ 01/23/13 02:34 PM
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#11504615 - 03/27/16 06:22 PM Hummingbird Helix 7 Di-GPS install
Greg W Offline
Outdoorsman

Registered: 10/14/15
Posts: 26
Marine place that installed my unit got sealant on the bottom of the transducer, but the window at the back is clear. Does the transducer just use the little window at the back, or can this cause problems?

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#11504778 - 03/27/16 07:55 PM Re: Hummingbird Helix 7 Di-GPS install [Re: Greg W]
Wayne P. Offline
TFF Team Angler

Registered: 11/16/10
Posts: 3443
Loc: Charlottesville, Va
What "little window at the back" ?????????

The transducer broadcasts the sonar pulses from the bottom.



Edited by Wayne P. (03/27/16 08:06 PM)
_________________________
Humminbird Helix 12 CHIRP SI, 1198c SI, 1198c SI, ONIX 10 SI NT, Helix 7 CHIRP SI GPS G2, 360, RC-1

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#11504866 - 03/27/16 08:27 PM Re: Hummingbird Helix 7 Di-GPS install [Re: Greg W]
44 Diesel Online   content
TFF Team Angler

Registered: 12/25/12
Posts: 3432
Loc: Burleson,TX
It can cause imaging issues. as Wayne stated the transducer shoot pulses through the bottom of the transducer. I would let them know about it and test it to See how the imaging is.

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#11504990 - 03/27/16 09:30 PM Re: Hummingbird Helix 7 Di-GPS install [Re: Greg W]
Greg W Offline
Outdoorsman

Registered: 10/14/15
Posts: 26
Transducer looks like this, and there is a glass or plastic opening at the narrow (tail end).

http://www.humminbird.com/Products/XNT-9-DI-T/

But, yea, I'll call the boat place. There may be something that can take the sealant off. If it causes issues, I took pics, so worst case they can buy me a new transducer.

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#11505290 - 03/28/16 05:53 AM Re: Hummingbird Helix 7 Di-GPS install [Re: Greg W]
Wayne P. Offline
TFF Team Angler

Registered: 11/16/10
Posts: 3443
Loc: Charlottesville, Va
That "window" is where the inside is filled after the transducer is assembled. There is a temp sensor there also.
_________________________
Humminbird Helix 12 CHIRP SI, 1198c SI, 1198c SI, ONIX 10 SI NT, Helix 7 CHIRP SI GPS G2, 360, RC-1

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