Humminbird Side Imaging Forums

Side Imaging Forums => 997c SI, 998c SI & 999ci HD SI => Topic started by: Gdog on April 28, 2013, 11:05:55 AM

Title: Mystery Lines in my image on 998 SI
Post by: Gdog 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.

Title: Re: Mystery Lines in my image on 998 SI
Post by: rnvinc 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

Title: Re: Mystery Lines in my image on 998 SI
Post by: Humminbird_Greg on April 29, 2013, 02:11:31 PM

Also try drifting and see if they are still there or not.