I have two of these HPgx's both with a Land surveying TDS Cogo GX/SX card and no ram cards (calculator used for cogo only not a data collector)...and neither one will allow me to access my survey program...and even without the cards in the slot...the command of alpha alpha won't perform...
I press alpha once and the symbol comes on, then when I press for a second time nothing happens..no second alpha symbol..third press and the first alpha symbol goes off....all performance tests prove ok...tried the reset with paperclip with no avail.....Anybody know what is going on?.....Help....
HP48gx....alpha....alpha...won't work?
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