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Old 05-08-2007, 08:32 PM   #1
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Default 585 water temp and TD issues

My buddy has a 585 that I kinda helped install. He got one of those big ole Airmar Shoot through 1K TD's with it.

1) What is the best way to get a temp reading on the 585 and or the Garmin 3210?

2) He gets no bottom signal past 600 feet at trolling and does not read bottom while running.

The boat is a 29 Sea Hunt and is new. Sea Hunt put in the TD at the factory and built a box around it or whatever....
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Old 05-09-2007, 08:05 AM   #2
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Default Re: 585 water temp and TD issues

Is he running the unit on auto or manual? If it is on auto then the transducer was not installed properly as the furuno auto mode does a great job of making adjustments. If the transducer has water temp capability the unit needs to be set to accept the temp signal. it took me about 15 minutes of playing with mine to figure out how to set the unit to accept the signal from the menu You will need to run the NMEA wires from the Furuno to the Garmin to share data. I don't think I am telling you anything you do not already know.
Eric
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Old 05-09-2007, 12:43 PM   #3
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Default Re: 585 water temp and TD issues

I have the exact same units,make sure its full of oil .Also have him try changing the range himself.
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Old 05-09-2007, 02:40 PM   #4
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Default Re: 585 water temp and TD issues

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flybynite - 5/9/2007 12:43 PM

I have the exact same units,make sure its full of oil .Also have him try changing the range himself.
you mean glycol?

I was on the boat and and fooled with it... it works good in shallow water, but could not even get a siganl in 600feet...

IS there something about the Seahunt hull that could cause this?
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Old 05-10-2007, 09:11 AM   #5
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Default RE: 585 water temp and TD issues

I believe sea hunt hulls are cored. My buddy has a 21 triton, it has a cored hull. This may be your problem if you are shooting through.
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Old 05-10-2007, 10:15 AM   #6
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Default RE: 585 water temp and TD issues

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He got one of those big ole Airmar Shoot through 1K TD's with it.
Which model? I assume it's a M-260?

Your not going to get water temp with that unit. The X-ducer is not touching the water.

Running these units with knobs in manual mode is VERY simple. I never run any FF in Auto mode.

Auto mode has filters in that mode. That means it will filter info out to try and give you a better pix.
Once in Manual mode, there are 2 adjustments that need to be fooled with. Depth and Gain. That's it.
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Old 05-10-2007, 11:13 AM   #7
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Default Re: 585 water temp and TD issues

I suggested auto mode b/c if the computer cant get it to read then something is wrong.
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Old 05-10-2007, 11:24 AM   #8
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Default Re: 585 water temp and TD issues

Ask any good Charter Capt. if he runs his FF in Auto mode.

He will tell you No.

Now for all the people who fish in my area. Disregard all this info.
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Old 05-10-2007, 11:57 AM   #9
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Default Re: 585 water temp and TD issues

This is not about how to get the best signal. it is about getting the unit to work properly.

If a 585 w/ a 1kw transducer doesn't work at any speed and at any depth in auto, then something is wrong. My point is not how to get the best signals, but to get any signal
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Old 05-10-2007, 07:13 PM   #10
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Default Re: 585 water temp and TD issues

If the hull was cored than the sounder would probably not work to begin with. Unless it was the first in-hull transducer ever installed by the factory I don't see this mistake being made. What I could see as a problem is air in the tank. even very small amounts of air will get agitated at speed and cause sensitivity issues. Another thing is transducer placement on the hull. If there is any problem with the laminar flow of water on the hull directly beneath the transducer it won't work properly. A couple of questions. At what speed does the bottom drop out? Does it happen instantaneously or gradually building? Same thing when you slow down. Does the bottom come right back or does it take awhile? Quick response is more indicative of a placement problem, slow response would seem more like a tank issue to me.
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Old 05-10-2007, 08:32 PM   #11
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Default Re: 585 water temp and TD issues

It does not read very well past 7 knots.... it can get the bottom, but you are not painting anything that tells you something...

I honestly do not know the exact number on the TD, but it is a 1kw shoot through Airmar that he got from Yachtjim....

I only wired it for him, the TD was installed already and the guy put glycol in it.... I have fished with him twice..

The first time we stopped in 180 feet on some of my numbers to jig....it read very well...but the seas were calm and we were drifting...

thanks for the responses.... When we get it working , I would love to talk about gain and frequency adjustments in 150 to 1000 feet...
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Old 05-11-2007, 10:14 AM   #12
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Default Re: 585 water temp and TD issues

I just installed the same system, and had a similar problem with not reading well over 7 knots.. turned out I had to isolate the transducer wire running under the cockpit from the rest of the boats wiring. I bought a 3/4 piece of PVC, ran the transducer wire through it and for the most part the problem is solved. The improvement was dramatic, before doing this I was extremely disappointed. I don't know if this is your problem but figured I would mention it just in case.
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Old 05-11-2007, 01:12 PM   #13
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Default RE: 585 water temp and TD issues

sent you a pm
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Old 05-11-2007, 03:54 PM   #14
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Default Re: 585 water temp and TD issues

Cracker,lift the t/d out of the housing and rub your hand on the bottom you should see alot of static on the screen ,also you will hear the unit clicking. Then try holding the unit face down and let it read the bottom where you are at,it should give you a read out.Have you checked the fluid level? Went thru this with Furuno Tech Support ,my tank was lacking fluid,topped off and tested out to 900 feet,did'nt miss a beat even when running.
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