Change your setting from saltwater to fresh water even if you fish in sea water,your transducer is a 00/200KHZ and not a 50/200KHZ.
Good luck
Willem
If you can drop it even a little further to about an inch below hull line and try it, that would be a good test. I guess the only other thing to check is that the transducer is close to horizontal in its positioning, and then check your gain/sensitivity settings. Try remove the settings from any auto modes they may be set on and manually set gain/sensitivity to a higher value. Often when you set a fishfinder to Auto mode you automatically lose up to 30% of the raw data that comes from the transducer!
If all of the above have been done and still no success it might be worth contacting Garmin or sourcing a replacement unit/transducer. That is about all I can think of at this stage.
Yes try lowering when you can and let me know.
I have used quite a few fishfinders and using "Auto" settings is quite a big no-no if you really want your sounder to perform in its best possible manner.
Also, I would seriously recommend grabbing https://www.amazon.com/dp/1865131032?tag...">this book
It is an awesome book showing you how to set up fishfinders properly and how to interpret what you see on the screen.
Great to hear you have it working well now after lowering it!
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The transducer is of course below the waterline and is 3/8 of an inch below the aluminium hull and 20 inches to one side of the propeller.
Thank-you for the advice, I will lower the transducer and try in on manual settings. It seems to make sense, I did get a bottom image at one time when it was on manual settings and the gain was set quite high/ low -5???
Will not be able to try it out until the weekend, but will keep you informed, thanks again.
I lowered the transducer so that it was about 3/4" below the bottom of the boat and it worked very well with all settings on manual, I will also switch it over to fresh water even though I fish only in the ocean.
Thank-you everyone for your help and advice, it has been most helpful.
I lowered the transducer so that it was about 3/4" below the bottom of the boat and it worked very well with all settings on manual, I will also switch it over to fresh water even though I fish only in the ocean.
Thank-you everyone for your help and advice, it has been most helpful.
Where do you have the transducer positioned in relation to the hull , and the height of the trasnducer... is it below the waterline?
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