Strange HP-41 IR Module Problem Message #1 Posted by Mike on 18 Dec 2000, 10:59 p.m.
I have a couple of HP-41 (several actually). I also have an IR module that I would like to use in port 3. But, in the calculator that I want to use it in, it won't work in port 1 or 3. By "not work" I mean it does not show up with Cat 2.
I have several other modules that I used for testing. Here is what I have determined:
Calculator 1:
1) All modules (except IR) work in all ports.
2) IR module works in all ports in calculator 1.
Calculator 2 (the one I want to use it in):
1) All modules (except IR) work in all ports.
2) IR module won't work in port 1 or 3 but does work
in 2 or 4.
I thought this might be a connection problem and formed the module contacts for more contact, with same results.
So, it might not be a connection problem. Is there some other explanation that I might be overlooking? I have tried the module without any other modules inserted, just in case there was some conflict.
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