User's Manual Part 2

Table Of Contents
Chapter 5 — Control Code Definitions
6822 Series 80-Column Printer User’s Manual 77
Select Underline Mode
Enables the underlining of all subsequent characters (including spaces)
until the Cancel Underline mode function is encountered.
Cancel Underline Mode
Cancels the effect of the Select Underline mode. Factory default also
disables the Underline mode.
Tabs and Tab Setting Functions
There are control codes for setting horizontal and vertical tabs.
Horizontal tabs:
Are not affected by subsequent changes in pitch.
May range up to maximum width for character and printer size.
All previous tab stops are cleared when new tab stops are set. If the
left margin is changed after the horizontal tabs are set, tab stops are
cleared.
Become absolute positions and are not affected by any subsequent
change in character size.
Set outside of the printable area are ignored.
Vertical tabs:
Tab positions are line numbers, counting from the Top of Form.
All tabs set beyond the page length are stored, but are not used.
Any tab set within the SOP range (Skip Over Perforation), during the
time SOP is active, are stored but not used until SOP is canceled.
Format
Decimal Hex ASCII
27 45 1* 1B 2D 01* ESC “–” 1*
Format
Decimal Hex ASCII
27 45 0* 1B 2D 00* ESC “–” 0*