I just picked up a RAT SHACK "Pro-50" Scanner for use as a cheap disposable
scanner for whene I dont feel like hauling out any of my real scanners (like 
to the beach where it could get ;lifted'..  Anyway, my problem is that
the scanner always seems to  "beep"  and give me an error when I
manually enter ceartain frequencies (which I know are most definately
valid frequencies because I get them on my other scanners..) So far it
has done this for about 900 frequencies I've trie to enter manually, 
(oh, and the LCD give me an  "ERROR"  message).. Whats up?
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