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Furuno TZ Touch 2 and Bottom Discrimination Mode

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Furuno TZ Touch 2 and Bottom Discrimination Mode

Old 05-19-2020, 08:12 AM
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Default Furuno TZ Touch 2 and Bottom Discrimination Mode

I have the furuno tzt2 , dff3, and airman 309 transducer. my question is , do I need the bbds1 for the tzt2 to work in bottom discrimination mode, or is it built into the unit?

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Old 05-19-2020, 08:29 AM
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Bottom discrimination is part of the internal TZT2 1kw sounder. You just have to have a transducer that works with it. I dont think it works with the DFF3 and the R309 as your sounder source. I believe You could add a bottom discrimination transducer and connect directly to the unit and when you are in less than 300' of water (furuno manual states bottom discrimination works from 5-100m) select the TZTL as the sounder source and transmit through the bottom discrimination capable transducer.

You can find a list of the capable transducers here: https://www.furunousa.com/en/support/tztl12f Select "Accessories" and "Bottom Discrimination Transducers"

Last edited by iFishMD; 05-19-2020 at 08:37 AM.
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Old 05-19-2020, 09:20 AM
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what would be the best way to identify mud bottom in around 650 feet of water? using the current setup or upgrading the transducer?
Old 05-19-2020, 09:34 AM
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I dont have any experience using the R309. However I would think the DFF3 and R309 would give you as good as bottom reading as any unit on the market at those depths.
Old 05-19-2020, 11:25 AM
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Originally Posted by iFishMD View Post
I dont have any experience using the R309. However I would think the DFF3 and R309 would give you as good as bottom reading as any unit on the market at those depths.
thanks !!

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