I need to upgrade my transducers to work with a newly installed Raymarine
e7D. I got the "D" version, built-in sonar/fishfinder, to avoid the problems that several other boats in our PNW marina have had, hitting something hard and messing up their keel
My 1981 sailboat has a 17 degree rise from the front of the keel
to the bow. In talking to Airmar they suggest a sonar/depth/fishfinder that has a tilting element which can compensate for up to a 22 degree rise and image directly under the boat. But to avoid hitting stuff I really want to know what is in front of the boat.
What would happen if you used a 0 degree tilt sonar/fishfinder? Would that turn it into forward reading sonar so you could keep an eye on what you were about to hit rather than what was under the keel? Would the image be too distorted to be useful?