Printronix MVP Series User Manual page 69

Option 28 — Underline
Discussion
When 28.0 is selected and Option 23.0 is selected (CR=0 line feeds),
characters can be underlined in the present character line.
MVP/L150
Option
Number
.0
.1
NOTE: Configuration Options 23.1, 23.2, and 23.3 effectively disables
150B/L150B
Option
Number
.0
.1
Configuration
Display Configuration
Description
28.0 Enable underline (default).
28.1 Disable underline.
underlining if CR is used as the line terminator. Underlines will still
be printed; however, they will print 1, 2, or 3 lines below the text
based on the CR option selected, 23.1, 23.2, or 23.3.
Display Configuration
Description
28.0 Leading and trailing spaces are suppressed for automatic
underline (default).
28.1 Underline all blank spaces.
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