HP75C 82713A plug-in module simulator Message #1 Posted by aj04062 on 4 Nov 2010, 8:53 p.m.
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.
|