Select ROM character set
Mode ASCII Decimal Hexadecimal
<ESC> “%” “0” 27 37 48 1B 25 30
Both <ESC> “Q/O” < 0 > 27 37 0 1B 25 00
Stops using the download character set and returns to the built-in ROM
character set. Ignored when DIP switch 2-l is ON.

OTHER PRINTER CONTROL COMMANDS

Set MSB to 1
Mode ASCII Decimal Hexadecimal
Both <ESC> ‘L > 93 27 62 IB 3E
Sets the most significant bit of each subsequent byte received to 1, allowing
users with a 7-bit interface to access characters with ASCII codes greater
than 127.
Set MSB to 0
Mode ASCII Decimal Hexadecimal
Std. <ESC> “=” 27 61 1B 3D
IBM <FS> “z” 28 61 1C 3D
Sets the most significant bit of each subsequent byte received to 0.
Accept MSB as is
Mode ASCII Decimal Hexadecimal
Both <ESCb “#” 27 35 1B 23
Cancels the preceding commands and accepts the most significant bit as
it is sent to the printer.
Delete last character sent
Mode ASCII Decimal Hexadecimal
Std. <DEL> 127 7F
Deletes the last character received. Ignored if the last character received
has already been printed, or if the last character received was all or part
of a command.
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