ESC b
Set Vertical Tabs in Channels
Format:
ASCII code:
E S C
b
c
n 1
n 2
. . .
N U L
Decimal:
2 7
9 8
c
n 1
n 2
. . .
0
Hexadecimal:
1 B
6 2
c
n 1
n 2
. . .
0 0
Comments:
Functions the same as ESC B, except that the variable c selects a
channel for the vertical tabs, which must be between O-7. Therefore,
up to eight sets of vertical tabs can be set. The channels are selected
by ESC /. To clear the tabs in channel c use ESC b c NUL.
ESC /
Select Vertical Tab Channel
Format:
ASCII code:
ESC / c
Decimal:
27 47 c
Hexadecimal:
1B 2F c
Comments:
This command is used to select the vertical tab channel, with the
value of c from O-7. All subsequent VT commands use the channel
selected by this command.
Margins
ESC l
Set Left Margin
Format:
ASCII code:
ESC I
n
Decimal:
27
108
n
Hexadecimal:
1B 6C
n
Comments:
Sets the left margin to
n
columns in the current pitch. This
command clears previous tab settings and all previous characters in
the print line. Use lowercase 1 (for left), not the numeral one. The
minimum space between the margins is the width of one double-
wide pica character.
A-16
Command Summary