Re: HP28C Message #2 Posted by Mike (Stgt) on 3 Nov 2004, 7:07 a.m., in response to message #1 by Van-Trang Nguyen
How could you run the self test if you can't switch it on? If you mean you can't switch it _OFF_ then pls note that the on/off key is not a toggle, press Shift then ON to put it off (that's like M$: "press Start for shutdown").
Ciao.....Mike
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