Author Topic: Mystery Lines in my image on 998 SI  (Read 3508 times)

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Offline Gdog

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Mystery Lines in my image on 998 SI
« on: April 28, 2013, 11:05:55 AM »
I am showing these weird lines on the left image of my picture in the water column.  They are present all the time.  I even have changed out the transducer to a new one (from a previous issue with the right side not reading- unrelated).  I thought that the new trans might take care of the lines too - but they are still present.  Any ideas what could be causing this?  Images attached.


Offline rnvinc

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Re: Mystery Lines in my image on 998 SI
« Reply #1 on: April 28, 2013, 01:19:19 PM »
Most often those type of lines are caused by something blocking the "upper reaches" of the SI beam...motor, drain screen, trim tabs, jackplate, ladder, kicker motor...etc...

Post a pic of your xducer setup from the rear and from both sides (at xducer level)...

Rickie
« Last Edit: April 28, 2013, 01:21:20 PM by rnvinc »

Offline Humminbird_Greg

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Re: Mystery Lines in my image on 998 SI
« Reply #2 on: April 29, 2013, 02:11:31 PM »
Also try drifting and see if they are still there or not.
Greg Walters at Humminbird
gwalters@johnsonoutdoors.com


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