Re: AC Power Adapter for HP 67 Message #3 Posted by Phil Hochstetler (Portland, OR, USA) on 1 Dec 2011, 7:06 p.m., in response to message #1 by Phil Hochstetler (Portland, OR, USA)
Thanks. I did enough reading on the power supply to realize that if you try to operate it on the AC supply without a working battery, the voltage will rise high enough to damage things. Thanks for the heads up.
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