Humminbird 525 Fish Finder

User Review: - Stay Away!
The depth reading on this fish finder bounced all over the place. It would jump from 3' to 15' constantly in 10' of water. I would have thought it a fluke but I later learned that two other people I work with had the same problem. Then I learned from a few fishing forums that several other people had this problem. I'm not sure if it's specific to the M#525 or the entire 500 series but no one is complaining about the other Humminbird models. I sent this back and bought a Lowrance X96, problem solved.

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User Review: - spot humidity
Once installed the Fish Finder had a humidity spot in the screen. after 7-8 hours disappeared, but I am nervous that happens again.
Other problem, maybe by my fault, it is not possible to convert to metrics, (unbelievable at this time)
"quick-disconnect mounting system" jajaja...
I am not happy with this fish finder. My last Garmin 100 (discontinued) was very good.

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User Review: - disappointed
I requested that my wife get me this for my birthday. Took it to the lake on a week's vacation late Sept thru early Oct. so I worked with it for more than a week.
-I don't know if I can trust the depth readings. For a while, it was telling me I was in less than a foot of water when I knew it was 2 feet deep. I noticed that there is an offset you can program in to correct how deep you might have it mounted and used that to correct it, but still, why was it so far off? The way I had it mounted it was only a few inches under water. I tried using string with a weight to ck the depth, seemed ok 2 out of 3 times, but 3rd time seemed about a foot off.
-On cool mornings, when some sun would hit it, it fogged up and I couldn't read most of the display. The fog is internal. 15 years ago I bought a Wide-Eye 100 Hummingbird, it didn't fog for years. When it did I contacted Hummingbird tech support, and they said they could fix it but it would have cost more than buying a new unit. So I got the impression from that, that fog is a defect. But the FAQ's at their website say that's just the way it is - when did this change? I always thought that such an electronic device would have been assembled in a humidity controlled assy room so moisture wouldn't get in and fog the display. Maybe that's in the 'good old days' before everything is crap-made in China.