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Description: What could it be?
Picture Stats: Views: 1788 Filesize: 139.01kB Height: 1365 Width: 1024 Posted by: Moonwalker at June 17, 2011, 11:42:54 CET Image Linking Codes
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| Moonwalker Posts:585 
| June 20, 2011, 09:36:41 CET Thanks that explains it better. |
| ganni Posts:685 
| June 18, 2011, 05:11:35 CET however if it was a slow moving fish, the intense red would have lasted much longer, producing a red line instead of a red dot. at those depths you were surely using 50hz, the 50hz opens a wider cone so the fish could have been a bit far away and not exactly vertically under the boat...this is another reason for the low signal. |
| Moonwalker Posts:585
| June 18, 2011, 02:13:53 CET I was busy fishing with the boat slowly moving with the current, then took a look at the ff and saw that track. I am not sure if the thing dived while my line was going down though and I did not try jigging. So it must have been a slow moving object/fish but since it changed height it could only be a fish I guess. |
| ganni Posts:685
| June 17, 2011, 18:32:38 CET the furuno doesn't mark ajs that way, they are slow moving fish so they are marked more as a line than an arch. tuna are fast moving fish therefore they are marked as a clear arch. its is not very defined in your pic because the range is high (you were probably bottom fishing not interested in surface activity). were you jigging or deploying your bait? because the fish could have been moving downwards following the bait or jig (the mark is diagonal and not horizontal). if the range was smaller the line would have been even more vertical |
| Granitu Posts:1511 
| June 17, 2011, 12:09:39 CET there is a kind of a fish arch i can notice that it could be amberjack but it can be albacore too. |
| Moonwalker Posts:585
| June 17, 2011, 12:03:32 CET I am referring to the track at 70-80m depth near the 100m mark. The other is just surface noise. @ granitu - Yes I could lower the gain to remove the surface noise but I am more interested in the bottom than the top. |
| Granitu Posts:1511
| June 17, 2011, 12:03:02 CET One small question, is this view always there, anytime you use it? i would say that is surface noise, you can eliminate that setting from the fish finder settings i think every transducer has a noise cancellation setting. To be honest i play around with the setting. If i am fishing at surface sometimes i disable the noise cancellation as the fishfinder may interpret fish as noise and not display it. What definately could be also is a poor insallation location that comes into contact with air bubbles afffecting fishfinder performance. Nich |
| The_Gaffer Posts:2278 
| June 17, 2011, 11:54:15 CET I'm just guessing, as you didn't provide too much info: Gain open to wide - surface noise large area of fish bait |
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