Hi Carl
Now I've looked at it in greater detail on my pc screen and following on from Nicks post about turbulence, am I right in saying that your starboard chine ends out of shot i.e. the end of your transom? What I mean is, when I first viewed it on my iPhone the shadow/difference in colour of the transom looks like you've set the transducer at the very edge of the transom starboard side. Having looked at it again on a bigger screen it looks very close to the stern drive. I may be way off base here, but how far away do the instructions say it should be from the stern drive?
Also I've looked at some pics of mine, which was fitted at the factory and it seems to be lower that the bottom of the boat but further away from the drive.
I have to say my knowledge at this point about these things is not much and my earlier advice was that you had it correctly fitted pointing backwards rather than down, as far as anything else goes Nick is more of an expert than I, but it does seem that mine is below the hull.

- Picture 023.jpg (199.69 KiB) Viewed 11847 times