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  How to best use the sonar for Garmin 545s?

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Author Topic:   How to best use the sonar for Garmin 545s?
wmueller posted 11-17-2008 08:30 PM ET (US)   Profile for wmueller   Send Email to wmueller  
I am a new boat user and just purchased a Garmin 545s for my boat. I am fishing the St. Johns and would like to know more about hot to adjust the sonat to better see fish in the 15-20 ft depth. What is the difference between 50 and 200 kw? Is this just the width of what it looks at? I would like to see how to better adjust what I see as targets. I have set to show fish and the depth on the fish but I think I am zoomed out as I never see fish.
I wish the unit was not hard mounted so I could simulate at home.
jimh posted 11-18-2008 12:51 AM ET (US)     Profile for jimh  Send Email to jimh     
It's not 50 and 200 kilowatt, it's 50 and 200-kilohertz, the frequency of the sonar pulse being used.

The owner's manual of your SONAR should explain in great detail how to adjust and use the device. The installation of the transducer has a big influence on how well a SONAR will work. If you have a transom mount transducer, see

http://continuouswave.com/maintenance-logs/transomTransducer/

for some suggestions.

jimh posted 11-18-2008 12:53 AM ET (US)     Profile for jimh  Send Email to jimh     
Also see

http://continuouswave.com/whaler/reference/sonarTransducer.html

for more discussion on transducer mounting.

mypilikai posted 11-19-2008 04:36 AM ET (US)     Profile for mypilikai  Send Email to mypilikai     
Try googling garmin 545s, and bluewaterpirate, some excellent videos out there with lots of information on functionality and features. I found the users manual provided with the 545s a bit thin on detail, you are right, having the unit on a swivel mount so you can take it home to practice and try different screens settings is nice. If you are practicing out on the water, be sure to have someone else piloting the boat when you are heads down trying to figure out what buttons to press, as you can get in trouble awfully quick. Good luck with the 545s. SK
Casco Bay Outrage posted 11-19-2008 07:04 PM ET (US)     Profile for Casco Bay Outrage  Send Email to Casco Bay Outrage     
Here is Tom's Garmin 545 video summary page.

http://albums.phanfare.com/4892322/2159358

Always worth watching his stuff.

towboater posted 11-26-2008 11:46 AM ET (US)     Profile for towboater  Send Email to towboater     
Congrats on buying the 545s.
Ive been using one daily for a year now, still have lots to learn. Great unit even I can understand.

Seeking fish, I found adjusting the gain up from the default setting works best. In salt water, I use about 85%, fresh water around 90%. But, I have a hull mounted transducer so your settings that work best should be different.

I dont have time to research the entire CW electrical topic the past 100 days right now. Sometime earlier in the summer BLUEWATERPIRATE sent me a Garmin 545s video tuitural that was awesome.

Look for Garmin topics and bluewaterpirate replies. This may take awhile, its worth it.
mk

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