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Garmin GPSMAP 557xs Dual Transducers

Old 03-30-2015, 05:01 PM
  #1  
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Default Garmin GPSMAP 557xs Dual Transducers

I just purchased a Garmin Gpsmap 557xs and standard transducer. My understanding is that this transducer is not CHIRP capable but is Down Vu capable. With this in mind I went and purchased a AirMar TM150 m CHIRP transducer. The problem is that I now am unable to use the Down Vu transducer without swapping the plugs in the back of the unit. Is there a switch I can get to easily allow me to go between the CHIRP and Down Vu transducers. I know Humminbird (http://www.humminbird.com/Products/TS3/) and Lowrance (http://www.chsmith.com.au/Products/L...witch-Box.html) make a switch that will do this but I want to know if they will work on my Garmin without breaking it? Any advice?
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Old 03-30-2015, 05:43 PM
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May be out of your budget, but this is the only one I would trust to do what you're wanting to do.

http://www.airmartechnology.com/2009...d=560&manf=All
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Old 04-02-2015, 03:55 AM
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Thanks but I'm not sure both my transducers are 1 Kw transducers so I will contact them and see if it will work. I have no other solutions to my problem.

Cheers

Pete
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