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Old 13 January 2004, 12:32   #11
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Well I had a Garmin 100Blue on my last rib. It worked well without any probs.
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Old 13 January 2004, 18:02   #12
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Originally quoted by J Walker:

Quote:
Garmin sounders are crap..... Ho hum, I don't want to hear this I have a 160 blue waiting to be fitted along with all the other electronics.
Its possibly the Airmar transducer that is at fault. A number of Garmin FF users report no problems with older models which used a smaller TDCR than the brick that is supplied with the 160.

Mike
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Old 13 January 2004, 19:13   #13
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bash Garmin Sounders!

I have a Garmin 100 that works perfectly up to 25 knots.

Haven't yet gone faster than that as am waiting for a Rev Counter but it works very, very well.

As a side note, I was under the impression that the 100 'Blue' was a new model. Yet this is discontinued on the Garmin website? I wonder why?

Oh, I use a Garmin GPSIII Pilot which is equally excellent!

Pete
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Old 13 January 2004, 19:21   #14
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I know the receiver is part of the aerial, the statement seemed to put across that it was a seperate entity.
They are pictured on seamark nunn at 99.
I would also be prepared to be disapointed with the sounder, in fact I would be go as far as to recommend that you don't fit it and either return it or put it on ebay as they are useless. I fitted a 240 blue two months ago and am now seriously considering taking it off and selling it to fit a lowrance or similiar (it is that bad)
I have the 182 plotter and think it is fantastic, don't know why the sounders are so cr**
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Old 13 January 2004, 20:02   #15
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In what way is it poor, Rupert?
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Old 14 January 2004, 04:33   #16
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It doesn't track the bottom reliably, losing it at varying speeds. When it does lose the bottom it takes ages to pick it up again and displays nothing bar a flashing number.
The picture that you do get of the bottom is very poor and, as I use it for diving, picking up large wrecks is impossible. I find that driving over a bouyed wreck that I know of at 4000grt and standing 15m off the bottom that I cannot even pick that up reliably and if I didn't know it was there I would never find it.
Other sounders I have used have been much more reliable and easy to use, I reckon that if I cannot get this thing to work by next month then it will be off and on ebay so I can find one that does for the summer.
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Old 14 January 2004, 05:16   #17
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I wonder if Garmin have changed their software / Transducers.

I had a GPS125 Sounder and this gave faultless bottom tracking at all speeds. In fact the only time it dropped out was in the lock at Cardiff which I put down to air bubbles in the water. Although the low resolution screen was a bit poor (but it was a bit long in the tooth). If it hadn't been drop tested on to concrete I wouldn't have changed it.

I have a GPSMAP 168 sounder on the way (fingers crossed for delivery today) thanks to the boys from Garmin and intend to try this with the old Transducer. I am hoping it performs to the same level but I'm starting to get a bit worried.

Could it be the transducer or the transducer location that is at fault for those getting poor performance rather than the Garmin unit itself ?

Cheers

Mike
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Old 14 January 2004, 06:27   #18
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I suspect that the transducer being on the port side of the boat may have some effect but it doesn't explain why it sometimes cannot find the bottom in 3m when stationary!
The bottom drops out at varying speeds and although it works a bit better now I have dropped the transducer lower than the instructions recommend, it is still poor.
I thought it was just my unit till I started reading here and found it was a common problem.
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