Installation was easy and straightforward. The navigation on screen is easily learned and used. I only have a few hours on this unit on my outboard. The only downside so far is that I see alot of prop wash on screen while underway. I installed the sending unit per the instructions so it may need some tweaking. Overall, one of the best Combo units that was a non touch screen that I researched.
Humminbird 898c SI by Ranger Bob
Overall this is an excellent unit. I would suggest you go out to the internet and extensively research the use of side and down imaging, as the instructions that came with the unit were mostly sales pitches and not practical applications of the new technology. That said, I will still buy another Humminbird when the time arises.
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