I just got a "Quad Memory" module (from eBay) for my recently-purchased 41C.
I already had two modules: "Standard" and "Math 1."
Without the new Quad Memory module, when I executed "CATALOG" "2," I got a full list of the programs on both of those modules (starting with the module names: the display would say "STANDARD" and "MATH1" and then list all the programs).
Bit with the Quad Memory module installed, the functionality is different: the selecting "CATALOG" (meaning, shift-"ENTER") has the display showing CAT ' (with a caret or single quote after the word. When I select 2 (to get the listing of the programs on the modules), it only names the modules, and then lists the programs that (apparently) are on the Quad Memory module (meaning, the previous owner had put a few programs on there).
I realized that, if I press "R/S" while the display was naming one of the ROM modules ("MATH1" for example), and then pressed "ENTER," I'LL get a catalog of that module's programs.
This is very interesting functionality that, as far as I can tell, isn't documented in the 41C manuals. The "CAT" display appearing with the caret (') after it, to indicate that the cataloging will now let you pick a ROM module, or, if you let them go by, will catalog the contents of the memory module (but only if one is installed) is a great feature, but I can't find it documented anywhere. Do I have this right?
Also, when you're viewing the catalog this way, the functionality changes: you can stop the "CATALOG" function (by pressing R/S) and then, by pressing "XEQ," run the program that was named when you stopped the catalog. (This doesn't seem to work, when the memory module is removed.) So far as I can tell, this isn't documented either.
Is "CAT ' " (with the caret) a different, better version of "CATALOG" that's only available when a memory module is present?
Thanks in advance for any help or advice — and, apologies if I'm being obtuse.
Jordan