Ok I have 2 questions that I was hoping someone could help me out with
1) I have a lowrance gen2 10 and 8(non-touch) linked together(one at bow, on at console), and I am having a problem with my structure scan. For some reason, my structure scan seems to be moving at a slower speed than it used to. I know that you can adjust the scroll speed of the sonar, but I haven't found a way to do it for the structure scan. Is there a way to adjust the scroll speed on the structure scan?

2) I have a hds 7 touch on the bow that is running off of the motorguide tour 83/200 transducer that I
use only for sonar. I can't find the right combination of settings for this one to give me a clear sonar image, yet show the necessary details. It seems like the sensitivity is either too low and the screen is blank, or the sensitivity is too high and there is so much [censored] on the screen that I can't even make sense of all of it. I know it needs to be adjusted in different situations, but what is a good starting point for this unit?