Question about Navman Trackfish 6600 GPS Receiver

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I bought a navman track fish 6600 reciever and the sonar isn't working properly it gives me depth at slow speeds but dose not show me the bottom acurately and dose not show fish

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Posted on Jan 02, 2017

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SOURCE: navman 4150 fishfinder

Depth: Could be for a number of reasons, too deep for the sounder - check the manual for it's max depth. Dirty water, sounder unable to penetrate through to the bottom. Weed or other debris covering the transducer. Transducer on a swing mount & being pushed out of alignment then dropping back in once stopped.

Speed: Is the speed readout controlled by a GPS or paddlewheel? If it's GPS, check the power connection of the sounder, may be loose which would also cause the depth to 'drop out'. If it's paddlewheel, you're down to bad connections or faulty unit.

Posted on Feb 24, 2008

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SOURCE: problem with navman 4150 fish finder

I installed my Navman 4150 depth finder along with the Navman GPS unit when I purchased my Bayliner Trophy 20Ft. Offshore model. Everything was ok for one year and it has been downhill since then. Losing signal, unbelievable high depth ranges, blank periods, etc.. I now can't even get a reading tieded up at the dock. I am now giving up and shoping for a quality unit.. Cape Disappointment.........

Posted on Jul 21, 2009

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My Mark 4 sometimes shows incorrect depths. The transducer has not moved and no problem with electrical. One point it is working fine, the screen then runs multiple vertical lines and the depth chan


Take note if when the vertical lines appear on the screen if the depth numbers begin to flash. If this is the case then the transducer has lost bottom contact and the unit is trying to reacquire bottom contact. If the transducer is parallel to the bottom of the lake while your boat is not moving then, the next time you have it on the trailer, turn your unit on and go listen and or feel the transducer to see if you can hear and or feel the tick or sonar ping. If you can't your transducer may be faulty. If the loss of bottom contact occurs when you are moving it will happen at a certain speed. This is the result of air bubbles passing under the transducer and disrupting the sonar signal causing loss of bottom contact.

Sep 19, 2014 | Lowrance Mark 4 Chartplotter/fishfinder...

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Lowrance X515C Manual Download



Download Lowrance X515C Manual

Models: X510C / X515C

80240ca.jpg

Have you misplaced your Lowrance X515C Fish Finding & Depth Sounding Sonar Owners Manual?

Would you like a digital, searchable, pdf version of the Lowrance X515C Fish Finding & Depth Sounding Sonar Users Guide?

Follow this link (& click FREE) to download a pdf version of the Lowrance X515C Fish Finding & Depth Sounding Sonar documentation.

I hope that helps.
__________________________________________

on May 06, 2010 | Boating

Tip

Lowrance X510C Manual Download


Download Lowrance X510C Manual

Models: X510C / X515C

80240ca.jpg

Have you misplaced your Lowrance X510C Fish Finding & Depth Sounding Sonar Owners Manual?

Would you like a digital, searchable, pdf version of the Lowrance X510C Fish Finding & Depth Sounding Sonar Users Guide?

Follow this link (& click FREE) to download a pdf version of the Lowrance X510C Fish Finding & Depth Sounding Sonar documentation.

I hope that helps.
__________________________________________

on May 06, 2010 | Boating

1 Answer

My fishfinder will not continue to read shallow depths as well as in shallow depths when drifting and occasionally running across the water. My unit is a lowrance 522c color gps/fishfinder.


Hello. Your observation is spot on and it is actually a characteristic that is always true when using sonar. Yes, your Lowrance uses the same sonar as a nuclear powered submarine does. The two factors you focus on, water depth and boat speed are perhaps, the two biggest factors when it comes to the quality of the fishfinder. The boat's engine should be in gear at an idle or just above. Experiment with your boat to find the best throttle location for good arches. Usually, a slow trolling speed works best. The depth of the fish can determine if the fish will arch on the screen. If the fish is in shallow water, the fish is not in the cone angle very long, making it difficult to show an arch. Typically, the deeper the fish, the easier it is to show an arch.
If you would like a complete tutorial on Lowrance sonar, go to this link. Enjoy. http://www.lowrance.com/Support/Tips-and-Tutorials/Sonar-Tutorial/

Nov 20, 2009 | Sport & Outdoor - Others

1 Answer

I have a garmin gpsmap 440s that will only read sonar depths a no wake speed. When I increase speed much past this the depth number blinks but does not track or change until I slow back down to idle again....


Sounds like the transducer is installed at the wrong angle or in such a way that it is getting a lot of air from something on the hull. If it is a transom mount, check that it is angled correctly and not too close to the motor or aft of some kind of thru-hull fitting that will cause turbulence.

Aug 18, 2009 | Garmin GPSMAP 440 Chartplotter GPS with...

1 Answer

When we zoom in we dont see depth i certain areas; but only grey colour. What are we doing wrong?


The image on my fish finder has a ghost like worm going across the screen. It doesn't read structure at all but will give you the depth. The arrow is pointing forward and I was told to point it in. I would think it would at least still have a picture when the boat is stopped. Any advice?

Jul 07, 2009 | Navman Trackfish 6600 GPS Receiver

1 Answer

Fishfinder 400c?


Hi there.

Ok in WIDE beam mode the cone extends out 45 degrees from the transducer. This covers a fair area, but is best used only in shallow waters as the beam may not have enough power to penetrate deeper waters effectively. 30ft should be fine for WIDE mode however. Using a bit of trigonometry, the beam would extend to a diameter of 60 feet from the center point of the transducer on the sea/river floor.

The beam is a direct beam... It is not a rotational beam from the transducer... i.e. it does not rotate like a radar beam but shoots downward in the cone arc constantly. Imagine a torch being turned on and off very rapidly... The light shoots straight out from the torch in its own cone shape. This is essentially what the transducer does when it shoots out a signal every millisecond or so.

The image you see on the screen is the result of the hole cone of signals, however, the strongest sonar returns occur near the center of the beam. Weaker returns are shown which are located towards the outer edges of the sonar cone where the signal power is less. So if a fish passes right on the edge of the beam, it will only show up as maybe 1 pixel on the sounder screen as it is a weak return on the edge of the sonar cone, whereas if that fish passes under the center of the beam, it will show a larger, more continuous or arched shaped return as the fish moves from the outside of the beam, through the center of the beam, and out to the other edge of the beam under the boat.

Regarding the flasher... I would advise not to use this. It does work by showing a continuous top and bottom reading which displays as constant flashes around the circle readout. Anything it picks up in the beam will show as flashes in between the top and bottom readings. Using the display is far better and with practice allows you to better identify fish and bottom structure readings. Flashers were earlier forms of sonar readouts. Some older folk still like them but I believe the normal display is better for finding and identifying fish and can show structure shape as well (the flasher mode really cannot).

Hope that helps!

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Jun 02, 2009 | Garmin Fishfinder 400c With Dual Beam...

1 Answer

Problem with navman 4150 fish finder


I installed my Navman 4150 depth finder along with the Navman GPS unit when I purchased my Bayliner Trophy 20Ft. Offshore model. Everything was ok for one year and it has been downhill since then. Losing signal, unbelievable high depth ranges, blank periods, etc.. I now can't even get a reading tieded up at the dock. I am now giving up and shoping for a quality unit.. Cape Disappointment.........

Jan 07, 2009 | Navman Fish 4150sx GPS Receiver

1 Answer

Proper set up for lowrance sonar


Where do you use your boat?

There are so many variables it's hard to fit it all here, but there are some excellent tutorials on the Lowrance website. The most important thing is to pick the right frequency, for the depth of the water. (200khz for less than 70', and 50 khz for greater depths). Depending on how serious you are about fishing, there are a lot of extras that you may never use. The key is to figure out which features will help you the most and forget about the rest.

You may also get some help at this link: FixYa Service Directory

It's common for SONAR to lose contact with the bottom at high speeds. The better the transducer installation, the faster you can go. Turbulence and bubbles will cause the SONAR to drop out. Lowrance's transducer installation guide explains it very clearly.

Jan 03, 2009 | Boating

1 Answer

Navman 4150 fishfinder


Depth: Could be for a number of reasons, too deep for the sounder - check the manual for it's max depth. Dirty water, sounder unable to penetrate through to the bottom. Weed or other debris covering the transducer. Transducer on a swing mount & being pushed out of alignment then dropping back in once stopped.

Speed: Is the speed readout controlled by a GPS or paddlewheel? If it's GPS, check the power connection of the sounder, may be loose which would also cause the depth to 'drop out'. If it's paddlewheel, you're down to bad connections or faulty unit.

Oct 16, 2007 | Navman Fish 4150sx GPS Receiver

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