To restore hp 48 user memory from a computer file, Sending kermit commands, An hp 48 – HP 48g Graphing Calculator User Manual
Page 381
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To restore HP 48
user
memory from a computer
file:
1. Transfer the computer file to an HP 48 variable using one of the
data transfer methods discussed above. Make sure that the transfer-
mode is Binary.
2. HP 48. Enter the received variable name (with ' delimiters) onto
the stack and press OCED to recall the backup object.
3 .
HP 48.
P r e s s f ^ fM E M O R Y ) f N ) C n R E S T u .
4. HP 48. Optional: To restore flag settings previously saved, enter
the flag-variable name (with ' delimiters), press (f»lfRCLl, and
press
fl^fMODESl
FLFlG
(MXT)
S T O P .
Example:
To back up memory into a file named
AUGl,
enter the
tagged object ; l O s F l U G l as the backup name. Then, if
you later retrieve this data to the HP 48, you can enter
' R U G l ' and press OCMD to get E-Bckup HOMED IR on
the stack—ready for the RESTORE command.
Sending Kermit Commands
You can use an HP 48 to send Kermit commands to a Kermit server—
another HP 48 or a computer. If the HP 48 is a
server,
you can send
Kermit commands to it (although it only responds to GET (KGET)
SEND, REMOTE DIR, REMOTE HOST, FINISH, and LOGOUT).
The following steps assume the receiving device is already set up as a
server.
27
To send
a Kermit command from
an HP 48:
1. Enter the command as a string (with " " delimiters).
2. Enter the packet type as a string (with " " delimiters).
3. Press QCH)
PKT .
The server sends one of the following responses to the PKT command:
B An acknowledging message. The reply to the packet is returned as
a string to level 1—an empty string is returned if no response is
appropriate.
■ An error packet. The HP 48 briefly displays the contents of the
error packet. To retrieve it, press @(H)(HD K t R R ■
Example; To request a directory listing, enter "D" and "G" and
press
P K T
. The directory is returned as a string.
Transmitting and Printing Data 27-13