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Old 22-06-2021, 17:29   #1
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2005 Catalina 387 depth finder

Hello.
Sailing a Cat 387. I'm currently in the water and wondering what the offset should be for my depth finder.
One person told me that the sensor is 18" below the waterline. Just looking to confirm.
Thanks.
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Old 22-06-2021, 17:30   #2
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Re: 2005 Catalina 387 depth finder

Thatís all depends on where your transducer is installed and how far below the waterline it is.
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Old 22-06-2021, 17:31   #3
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Re: 2005 Catalina 387 depth finder

Jump in and have a look ! Also depends if you want depth under keel or actual water depth .
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Old 22-06-2021, 18:13   #4
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Re: 2005 Catalina 387 depth finder

Yeah. Right now there is no offset programmed.
I can't accurately measure.
Hoping someone with the same boat would know the the distance the sensor is below the waterline.
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Old 22-06-2021, 18:14   #5
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Re: 2005 Catalina 387 depth finder

Boy Sailmonkey, you are just all over the place on this forum. Thanks
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Old 22-06-2021, 19:13   #6
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Re: 2005 Catalina 387 depth finder

In all seriousness. If you are in a place with sand bottoms you can run aground and see what your depth sensor reads.
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Old 23-06-2021, 16:48   #7
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Re: 2005 Catalina 387 depth finder

Get a weight on a piece of rope drop in water measure depth adjust offset accordingly !
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Old 24-06-2021, 05:32   #8
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Re: 2005 Catalina 387 depth finder

There's a great idea. Now why didn't I think of that?
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