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5FH — Underline
To use the underline feature, set Configuration Option 23 to 23.0 (CR=0 line
feeds), and Configuration Option 28 to 28.0 (underline enable). Using this
setting allows for a character to be underlined because it prevents the
carriage return from producing line feeds.
When the buffer is loaded with characters and underlines, printing will begin
with the next line feed sent by the host computer. Space characters must be
specified for positions that you do not want underlined, which will print a
character line with positions underlined as shown in Figure 7–3.
Line Number
1
2
S = Space (20 Hex)
LF = Line Feed (0A Hex)
NOTE: The printer must be configured for CR=CR only. If configured for a
7–14
Enter
THE PRINTRONIX PRINTER (CR)
SSSS_________________(LF)
CR = Carriage Return (0D Hex)*
_ = Underline (5F Hex)
carriage return and line feed the contents of the buffer will print
when the CR code is received.
Figure 7–3. Underline Example
Result
THE PRINTRONIX PRINTER
THE PRINTRONIX PRINTER
Programming
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