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DEC LA120/210 Emulation
67
Control Codes and Escape Sequences
Grouped by Function
Communications
Null NUL
This control code is ignored by the printer.
Control code: NUL
Hexadecimal: 00
Delete DEL
This control code is ignored by the printer.
Control code: DEL
Hexadecimal: 7F
End of Text ETX
If “ETX/ACK” is set to “On” in the interface setup menu, then receipt of an ETX causes the printer to
transmit an ACK to the host computer.
Since the ETX may be a legal value within an escape sequence, it is the user's responsibility to ensure that an
ETX used for data handshake is not sent within an escape sequence. The user must also ensure that the
maximum block size or the number of blocks sent at one time does not exceed the input buffer size of the
printer.
ETX/ACK handshake is available only with serial I/O.
Control code: ETX
Hexadecimal: 03