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43
Programming
Text Commands
02/11/2009 TTP 7020™/TTP 7030™ Technical Manual P1003636-001
Moves the print-position one step to the left. Backspace can be used to combine characters.
For instance to print a Ø, send text commands O BS / to the printer, and the slash will
overprint the O.
Only one backspace can be used at a time. Excessive backspaces will be ignored.
Cancels text and attributes sent before the CAN command on the same line.
Commands, are not cancelled.
By default, carriage return is ignored.
By changing the default settings, you can:
1. Interpret is as CR which returns print position to beginning of line without line feed.
2. Interpret CR as CR/LF which inserts line space as specified by the line spacing setting
(see parameter p13), and returns the print position to beginning of the line.
See “Carriage return and line feed behavior” under CR/LF behavior on page 83.
Linefeed is interpreted as CR/LF by default. This inserts line spaces as specified by the line
spacing setting (see parameter p13), and returns the print position to beginning of the line. LF
also converts text from the input buffer to pixel lines and stores them in the line buffer, ready
to be printed.
By changing the default settings, you can:
1. Interpret LF as Linefeed. This inserts line space as specified by the line spacing setting (see
parameter 13 on page 82), without returning the print position to the beginning of the line.
2. Ignore LF.
See CR/LF behavior on page 83.
BS
Backspace
08 Hex
8 Decimal
CAN
Cancel
18 hex
CR
Carriage Return
0D hex
13 decimal
LF
Linefeed
0A hex
10 decimal
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