Epson 1010 User Manual page 233

ESC p
Format:
ASCII code:
Decimal:
Hexadecimal:
Comments:
Turns proportional mode on and off.
The following values can be used for n:
1: Turns mode on.
0: Turns mode off.
The width of proportional characters varies from character to
character. Therefore, a narrow letter like i receives less space than
a wide letter like W. Proportional character widths are given in
the Appendix. Proportional mode is available only in Roman and
Sans Serif fonts.
SI
Format:
ASCII code:
Decimal:
H e x a d e c i m a l : O F
Comments:
Prints characters at about 60 percent of their normal width. For
example, the condensed 10 cpi mode has
Condensed mode cannot be combined with 15 cpi. Condensed
can be turned on and off by SelecType, the SI command, or DIP
switch 1-6.
ESC
p
27 112
1B 70
SI
15
Turn Proportional Mode On/Off
n
n
n
Select Condensed Mode
characters per inch.
17
Command Summary 9-25