Select Graphics Mode (Esc *); Auto Underscore (Esc -); Select Vertical Tab Channel (Esc /); Set 1/8 Inch Line Spacing (Esc 0) - IBM 4247 A00 User Manual

Select Graphics Mode (ESC *)

This control selects the graphics mode MM from the table below. The total number
of columns equals N1 + (N2
Option
Single-Density
Double-Density
High-Speed Double-Density *
Quadruple-Density *
CRT I
Plotter (1:1)
CRT II
Double-Density Plotter
Note: (*) Adjacent dots cannot be printed in this mode
Auto Underscore (ESC –)
This control turns on and off the continuous underscore function.
If NN is an odd value (1, 3, 5 ...), the printer underscores all text characters and
spaces following this sequence. The printer does not underscore white space
caused by horizontal tabs.
If NN is an even value (0, 2, 4 ...), the printers stops the underscore of all data
following this sequence.

Select Vertical Tab Channel (ESC /)

This control selects the vertical tab channel. The values for CH are 0 to 7. The
channel selected by this control is used for all subsequent vertical tab commands.
Channel 0 is used if no channel has been selected.

Set 1/8 Inch Line Spacing (ESC 0)

This control sets the line spacing to eight lines per inch.
The application program is responsible for keeping track of the vertical position on
the current page relative to the current line spacing. Changing the line spacing
within a print job without changing the page length can cause printing on the page
perforation. For additional information, see "Set Page Length (ESC C)" on
page 233.
230
4247 Printer Model A00 User's Guide
1B 2A MM
1B 2D NN
1B 2F CH
1B 30
N1 N2
256).
Alternate
Code
ESC K
ESC L
ESC Y
ESC Z
NONE
NONE
NONE
NONE
Horizontal
Density
MM (dots/in.)
0 60
1 120
2 120
3 240
4 80
5 72
6 90
7 144