Itchin' for a sonar....need suggestions

[albinotrout]

I know the older ones did that when the screen got to hot. Make sure that the backlite is off and that you don't have it directly sitting in the sun. Put new batteries in and see what happens. I think the battery may have something to do with it as well. I always kept a second set of batteries on the toon with me for incase the first ones died. Came in handy a couple of times when the batteries did go caput.
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