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Data transfer is carried out by observing the ACKNLG
or BUSY signals. Data
transfer to the printer occurs only after receipt of the ACKNLG signal or when the
BUSY signal is LOW.
TIMING
DATA IIN
STROBE-
BUSY
I
ACKNLG
I-
I
t
Data must be present a minimum of 0.5 u sec before and after a minimun 0.5
µ sec STROBE Pulse. BUSY goes high before the end of the STROBE signal and
remains high until the end of an ACKNLG pulse of’ minimun 4 µ sec.
EBCDIC CHARACTER TABLES
PC850 character table
See Appendix A-S for an example of the PC850 character table.
Note: PC850 is the recommended
character table for matrix emulations.
HP Roman 8 character table
See Appendix A-6 for an example of the HP Roman 8 character table.
Note:
This character table is available only when HP emulation is selected
(3812 emulation).
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