Chapter 10: IBM - Standard Functions
10-3
p
1
p
2
Character pitch
0 0 no change
0 72 20 cpi
0 84 17 cpi
0 96 15 cpi
0 120 12 cpi
0 144 10 cpi
r
1
defines whether the proportional typeface is selected. In this case
r
1
has the value 2. Is r
1
= 1 a non proportional typeface, it is selected.
Is r
1
= 0 the last selected item (proportional or non proportional), it
is kept.
Print modes
Function Dec. Hex. ASCII
Start 10 cpi 18 12 DC2
Start 12 cpi 27 58 1B 3A ESC :
Start 15 cpi 27 103 1B 67 ESC g
Start 15/17.1 cpi 15 0F SI
Start 20 cpi 27 15 1B 0F ESC SI
The pitch is usually measured in characters per inch (cpi). For ex-
ample, with 10 cpi 10 characters can be printed per inch (2.54 cm).
Each character then occupies 1/10 of an inch. The pitch can also be
defined via a multifunction command.
The function of the command SI for condensed printing mode de-
pends on the menu items SI Select Pitch (10 CPI) and SI Select
Pitch (12 CPI). Starting from a pitch of 10 cpi a pitch of 15 or 17.1
can be selected with the command SI which can be defined in the
menu item SI Select Pitch (10 CPI). Starting from a pitch of 12 cpi a
pitch of 20 cpi can be selected with the command SI if the value 20
cpi is set in the menu item SI Select Pitch (12 CPI). If the value 12
CPI is selected in the menu, the command SI will be ignored if start-
ing from 12 cpi. The following table shows the possible pitches
when using the command for double width printing.
Character pitch
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