It is just now getting warm enough to get out on the lake here in Wy. So I've only used the unit once. I'm still a bit sketchy on the DI side of it. Time will tell more. Everything worked on it. But, unless I have something adjusted wrong it went crazy at speeds above 10 mph while in DI mode. The depth alarm went off and was saying I was in less than a foot or so of water when the middle of the lake where I was at is over a hundred feet deep. I'm not familiar enough with it to know if this will happen in the " dual image mode. As I write this I hope maybe some light could be shed from those out there that understand the unit.
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596 HD DI
May 20, 2013
Reviewer:
DOT Chief
from Indiana
Great price! I would strongly suggest that anyone purchasing this unit print the manual and set up the unit according to the manual. Attempting to do this "on-the-water" will leave you frustrated.'
The Down Imaging (DI) is super clear - even in bright sunlight. Amazing clarity.
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Works as expected.
December 26, 2012
Reviewer:
Steve T
from Arroyo Grande
I've only been able to use it twice so far due to weather and holidays, but it is performing as expected.
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596 C HD DI
November 21, 2012
Reviewer:
BUXNDUX
from NAPA, CA
IVE ONLY USED IT ONE TIME SINCE BUYING IT BUT IF THAT IS ANY INDICATION AS TO HOW IT WILL WORK IT WILL BE GREAT! THE DEFINITION IS FANTASTIC AND THE RESOLUTION ON THE SCREEN IS REALLY GOOD. A SUGGESTION: DOWN LOAD THE MANUAL ON HUMMINBIRDS WEB SITE.
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hummingbird fishfinder 596c Hd Di
November 7, 2012
Reviewer:
gilles rouette
from canada
Very happy with my purchase excellent price and fast shipping. 100 %satisfied.Highly recommended seller.
Humminbird Fishfinder 596c DI 
596 HD DI