Are fish sensitive to depth/fish finder?

[Abbeysdad]

I've been out 5 times now in my 'new'/used boat I just got in mid June and with the exception of one small perch, I've been skunked - no bites even.
I've always had the depth/fish finder on and have 'seen' fish, but nothing touches my bait (worms, minnows, crabs).

Maybe just wrong place, wrong time, and/or maybe a dumb question, but was wondering about sonar echos and if it may spook fish?
(I kinda like leaving it on especially moving in closer to shore with a 3' draft - then again I'm just a drift or slow moving with the TM, so I could turn it off.)