I have the HDS-9 Gen 3 with Structure Scan. I don't have the 3D module. I love it. I also bought mine on eBay and paid $1823. So it pays big time to shop around for the best price.
I have had mine for a year now and have had zero problems. Make sure to keep the software up to date and make sure you don't have any power issues happening to your power source for the unit.
From what I have seen most problems people have had is because the software wasn't up to date or they had a power source issue.
I also have a HDS-7 Gen 2 ( I bought used on eBay for $600) on the bow of my boat with the HDI transducer so that I have downscan on my trolling motor transducer. It would freeze up and loose depth readings and the screen would do all kinds of weird stuff. It ended up being a power problem. Fix the power source problem and have never had another issue.
I have the two networked together using the network cable so that I can share the map card and all of my waypoints between units. I can also share the transducers and structure scan.
Last edited by spottedbass; 07-26-2016 at 07:51 AM.
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