View Full Version : hummingbird 565

06-06-2010, 08:48 AM
i know that most everyone on here is a lowrance guy and i will be when i get some cash.....but for know my question is: i have a humming 565 and i turned off the fish i.d. but now i havent marked anything, i dont get the arches at all, does this model even show arches?


06-06-2010, 09:31 AM
If you are not seeing arches either the sensitivity is too low, or the transducer angle is incorrect. If you only see the leading edge of the arch, the transducer is angled too far back, and the opposite is true if only the trailing edge of arches are visible. The transducer should be parallel to the waterline on the boat. Many guys set the angle parallel to the ground when the boat is on trailer, and this may not correspond w/ the waterline.

If you are seeing fish w/ ID on, but nothing when fish ID is off, then you have discovered the reason no one suggest using fish ID. If the arches aren't there, how does the unit know where to put the fish symbol? Fish ID is a sales tool for demo modes. It is useless in the real world.

The 565 is a very capable unit, and once you get the settings dialed in, you won't be so eager to replace it w/ a Lowrance unit.

06-06-2010, 06:37 PM
I did pick up some spots but if it was part of an arch I don't know if it was the beginning or the end. How do you determin the right angle while the boat is on thr trailor?

06-07-2010, 05:53 AM
You should be able to see the waterline on the side of your boat. The transducer should be adjusted so it is parallel to the water line.

Here is a really good tutorial on how they work put together by Lowrance. Your Hummingbird works exactly the same, and the screen images will be very similar.

(http://www.google.com/imgres?imgurl=http://www.jamestowndistributors.com/userportal/woeimages/HowTos/172e.jpg&imgrefurl=http://www.jamestowndistributors.com/userportal/document.do%3FdocId%3D172&usg=__N1KgpyqogFvBM7V5EeN8leEi8mk=&h=266&w=258&sz=12&hl=en&start=6&sig2=bMTdnTrDBfk_665KbWOICw&um=1&itbs=1&tbnid=7y2B-BZ0GZ9gPM:&tbnh=113&tbnw=110&prev=/images%3Fq%3Dadjusting%2Btransducer%2Bangle%26um%3 D1%26hl%3Den%26client%3Dfirefox-a%26sa%3DN%26rls%3Dorg.mozilla:en-US:official%26tbs%3Disch:1&ei=QfkMTNCgHIqmNomDtLYE)

06-07-2010, 07:47 AM
Transducer angle is only part of the equation. If you look at my sig pic you can see that the ReelJerks has a pretty good rake to her. Enough that you would assume a problem...not so. I'm using an Airmar P319 thru-hull ducer that is level to the bottom of my log. While I don't get the perfect arch most of the time, I do get them. There are more settings that need to be considered such as, Gain, Zoom, and relaxing some of the other filters like Noise and Surface Clarity. And let's not forget a lot of this arch stuff depends on HOW the fish goes through the cone. DOC is most knowledgeable of HB sonars on this board.

Good luck,

06-07-2010, 12:58 PM
thanks guys, ill just keep playing around with it everytime i go out...