Printronix P9000 Series - Manual (Page 167)

6-69 Programming
Underline
ASCII Hex Decimal
P-Series SFCC - n SFCC 2D n SFCC 45 n
Serial ESC - n 1B 2D n 27 45 n
Purpose Enables or disables automatic underlining of all characters.
where n = 0 to disable automatic underlining (hex 00 or hex 30)
n = 1 to enable automatic underlining (hex 01 or hex 31)
Comment When automatic underline is enabled, all characters, including spaces, will be
underlined until disabled.
Example The following sample program illustrates automatic underlining and underĆ
lining reset.