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Full Version: HP75C 82713A plug-in module simulator
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I just picked up one of these and I suspect the internal battery is dead. Does this prevent it from working or? I am also seeking a manual (pdf) and other info on it. Does it require a magnetic card to run?

Edited: 4 Nov 2010, 8:54 p.m.

Hi, You need the battery to get full functionality of the unit. Send me an email. Prabhu