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GEK-00029A 5000 Series Programmer’s Manual
127
HT Horizontal Tab (09H):
If there are tabs set, this code ends the
current print buffer and causes its contents to be printed. The
horizontal print position moves right to the next horizontal tab stop
position. Any tab that causes the current print position to exceed the
right print limit, or right margin, will cause a line wrap to occur
(CR,LF). Tab positions are absolute. If the character spacing changes,
tab positions remain in the same absolute horizontal positions. If
there is no tab set between the current print position and the print
limit, the tab is ignored and the current print buffer is not affected.
LF Line Feed (0AH):
Flushes all print data and then advances the paper
up one line as determined by the current line spacing. Me print
position Is moved to the left margin. This code is a line terminator
and will terminate the double-width printing mode initiated by a
received SO code. If paper positioning causes the next line to exceed
the form length, an automatic form feed will occur.
NUL Null (00H):
Causes no action when received alone. It is used by some
sequences to terminate the parameter list.
SI Shift In (0FH):
Select condensed print mode. Ends the current print
buffer and causes its contents to be printed. This code then enables
the condensed printing mode. Characters are condensed to 17.1 cpi
for the pica pitch (10 cpi) and 20 cpi for the elite pitch (12 cpi).
Double-wide printing [invoked by SO, ESC I (n), or ESC W
commands], together with 17.1 cpi, produces printing at
approximately 8.6 cpi. With double-wide and 20 cpi, the resulting
print will be approximately 10 cpi. The condensed print mode can be
selected, but not activated, while the proportional print mode is
active.
SO Shift Out (0EH):
Select double-wide printing by line. Ends the
current print buffer and causes its contents to be printed. This code
then starts double-wide printing for subsequent characters until a
line terminator, DC4, ESC I (n), or ESC W NUL command is received.
Characters are elongated to twice their current width, that is,
expanded to take up two character positions each. The tab positions
are not changed. If the double-wide print mode is already active by an
ESC W or ESC I (n) sequence. the SO code is ignored and the escape
sequence takes control.