FishAlarms

[Dan]

I need some HELP with my fish finder. Last year I purchased and installed a Dragonfly -5 Model E70306 on my 17 ft. Boston Whaler. The unit did not help in identifying mackerel for bait (in 100ft or less water) or striped bass/and it seemed the fish signal was continuously ringing. My previous fish finder was very effective-so I had a very frustrating year. I sent the unit to Raymarine and they indicated it was functioning properly. I am desperately looking for some help this year:

Fish Alarms-I want the FISH alarm on-what should the Shallow and Deep fish limit “values” be as I want these Limits to be totally ignored-not considered?
How do you suggest I adjust the “Fish Sensitivity” (if at all?) for bait fish?
Is the 1 or the 10 more sensitive?
Sensitivity adjustments-The Manual suggest “for optimum” performance keep the Gain/Contrast/and Noise Filter on the “automatic”. Does this make sense? Any suggestions?
I am trying to keep the finder simple-looking for bait fish-mackerel in less than 100 ft water AND for striped bass in less water. Any ideas you have will be much appreciated.
Dan