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Card Reader Operations
15
Here is one procedure for reading programs from magnetic cards:
1.
Ensure that the HP-41C is not in PRGM mode.
2.
Press 8
() (] . This ensures that your last program
has an £/VD instruction and causes the program that is read
to be placed after your last program. (If the last program does
not have an £/VD instruction, it will be replaced by the new
program.)
3.
a.
Insert track one of the program card. If the program is on more
than one track of a card, the HP-41C will prompt you for each
track with the standard prompt.
RDY kk OF nn
Insert the cards for the program until all of the tracks have been
read.
You can insert the cards for a program in any order you wish.
The HP-41C knows which tracks have been read and prompts
you for the lowest-numbered track not yet read. Regardless of
the orderthe cards are read, the program is placed in the proper
order in program memory.
. If you wish to use key assignments (of labels in the program)
that were written on the card, set the HP-41C to USER mode
before reading in the program. Key reassignments recorded
with the program are only active when the program on the
card is read and executed in USER mode. Only the key
reassignments of labels contained in the card program are
written onto and read from the card.
4. The program is now recorded into program memory and the
calculator is set to the top of the new program. The reassigned
keys can be used only when the program is read and executed in
USER mode.
Note: Programs that contain specific card reader functions
(e.g., (worax], [rsus]) must be executed with the card reader
plugged into the HP-41C. Those functions are contained in
the card reader, not the HP-41C. For all other programs, the
card reader need not be in place for proper program
execution.
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