Tally Genicom Matrix Printer - Manual (Page 331)

End of Text Block ETX
Data Structure ASCII ETX end of text block
hex. 03
dec. 3
Description End of a text block.
This code concerns only serial data transfer with ACK/NAK protocol.
For a detailed description see the documentation which comes with your printer.
Positive Acknowledge
ACK
Data Structure ASCII ACK positive acknowledge
hex. 06
dec. 6
Description By sending the positive acknowledge code ACK (printer ✂ host) it is possible to transmit
a data block to the printer and thus transfer it into the printer’s line buffer.
This code concerns only serial data transfer with ACK/NAK protocol.
For a detailed description see the documentation which comes with your printer.
Miscellaneous 95