Epson LQ-850 User Manual page 200

ESC :
Format:
ASCII code:
Decimal:
Hexadecimal:
Comments:
This code copies the characters in the ROM into RAM so that
specific characters can be redefined. The variable n represents the
font family. Roman = 0; Sans Serif = 1.
ESC %
Format:
ASCII code:
Decimal:
Hexadecimal:
Comments:
ESC & is required to define the character set. The following
values can be used for n:
0: Selects the normal set.
1: Selects the user-defined set.
9-34
ESC
27
1B 3A
ESC %
27 37
1B 25
Copy ROM into RAM
0
0
00 00
Select User defined Set
0
0