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Author Topic:   Garmin Fishfinder
sport15er posted 03-03-2002 02:58 PM ET (US)   Profile for sport15er   Send Email to sport15er  
I was given a Garmin Fishfinder 100 as a gift. According to some catalog descriptions (BoatUS), it is recommended for freshwater. However, in the supplied spec book it says nothing concerning fresh v/s salt. The unit came with a 200KHz/200' max depth transom mount transducer.
Any thoughts are appreciated.
ps>> I don't expect to be anywhere close to 200' of water; main use is on local lakes and ICW only. (SuperSport15').....
Tsuriki BW posted 03-03-2002 08:38 PM ET (US)     Profile for Tsuriki BW  Send Email to Tsuriki BW     

Check out

The unit should work fine for you. Fresh/Salt is not an issue.

200khz is the standard for 0 - 200~250 feet. Some units are dual frequency, 200/50khz. 50khz will go deeper.

Enjoy the unit.


woody7 posted 03-04-2002 02:08 AM ET (US)     Profile for woody7  Send Email to woody7     
There are so many units out there today it's confusing. Since it was given to you might as well hook it up. I think it will be fine. I have caught lots of fish with cheap fishfinders and remember when even having one at all seemed like discovering the wheel. I just got a new boat that came stripped of electronics. I bought a garmin with a dual frequency that is supposed to go to 600'. I'll never need that depth, but I can use 250-300'. Good luck.
whalerron posted 03-04-2002 09:15 AM ET (US)     Profile for whalerron  Send Email to whalerron     
That Garmin 100 will be fine in the saltwater. The hardware for mounting the transducer is all stainless. As far as I can tell, the only difference between your model and the blue series is that the blue series has a stronger transducer and a dual frequency transducer. I have a blue series and my brother has a standard model. In 100 feet of water, we cannot discern a difference betweent the 2 models.

- ron

swede5 posted 03-07-2002 07:42 PM ET (US)     Profile for swede5  Send Email to swede5     
Sport, I've got a (100) on my 22 revenge and have had great success. I've considered something a little more sophisticated yet this works to good to take it off. The fact that the transducer reads well even at 40mph+, tells me it is a decent model. I have had much less success with the brand that starts with H.

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