Plugginginthe Card Reader - HP 82104A Owner's Handbook Manual

6 Using the HP 82104A Card Reader
Plugging in the Card Reader
1. Make sure the calculator is turned
off.
2. Remove the plug-in module or
port cap that is in port 4. (If you
remove a memory module, make
sure the HP-41C has enough
memory allocated to data storage
registers—executing [size] 064
will ensure this.) Refer to section
S or 7 in the HP-41C Owner's
Handbook and Programming
Guide for more information about
(size].
3. Insert the card reader connector
into port number 4 as shown.
Press the card reader straight into
the calculator until it snaps firmly
into place.
Your HP-41C calculator and card reader system is now ready to use!