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E-1Appendix
APPENDIX E
DOWNLOADING CHARACTERS
Introduction
P9012
printers include the ability to
create and download unique characters from the host com
Ć
puter
to the printer's working memory (R
AM). Downloaded characters must be reloaded each
time printer power is recycled or RAM is cleared unless they are saved into nonvolatile
memory.
Three
commands are involved in downloading a character:
1. SFCC c
- defining the new character in a specific print mode and pitch.
2. SFCC
V
- (Download a L
anguage) if the new character is to be stored in a
currently unused
address in the Character Library.
3. SFCC
RX
- (Character
Set Select: International L
anguages) when ready to
access
the downloaded character.
Procedure
NOTE:
Each parameter is visually separated by paired brace symbols for clarity in distin
Ć
guishing parameters. Do not
input these brace pairs in the command sequence.
The command
SFCC c
is followed by A
SCII characters:
{PP}{SSSSSE}{A};{data}
where:
{PP} is the print mode and pitch at which the downloaded character will print
(derived
from the
mn
values in P
rint Mode/P
itch Selection T
able 6-7 on
page 6-59).
{SSSSSE} is the decimal value between 0 and 65535 representing the symbol point
of
the new character in the Character Library;
E
is the terminator
follow
Ć
ing
this numeric field. No leading zeros are required.
A character can be stored in an unused address or replace an existing
character in the Character Library. If designated to an unused address,
you must use this control code in conjunction with SFCC V (DownloadĆ
ing a Language, page 6-31) to complete the downloading procedure.
However, if a downloaded character replaces an existing character in a
print mode and pitch, that character will be changed in every
character
set or international language in which that existing character was used.