Appendix B: Messages And Errors - HP 82104A Owner's Handbook Manual

Appendix B
Messages and Errors
Following is a listing of all card reader messages and errors that you
might see in the HP-41C display. For a list of all standard HP-41C
messages and errors, refer to appendix E of the HP-41C Owner's
Handbook and Programming Guide.
Display
CARD
CARD ERR
CHECKSUM ERR
LOW BAT
MALFUNCTION
MRG ERR
Meaning
The system is prompting for a card.
Unrecognizable card type (card was not recog-
nizable as a standard HP-41C, HP-67, or HP-97
card).
Card type not consistent during multiple-track
input. (Card types were mixed during a multiple
track read.)
Wrong card type for , or (MRG] .
During multiple-track input of program or
status cards, different sets of data were mixed.
The card just read by (verify) is dirty or
bad.
Battery poweris not sufficient to read or write a
card. When this message is displayed during a
multi-track read or write session, the session is
terminated.
Inoperative hardware detected. Use the head
cleaning card and try again.
An attempt was made to merge a card program
while the calculator was positioned to a pro-
gram contained in an application module.
An attempt was made to merge a card program
to a program other than the last program in
memory.
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