Epson Apex-80 - Manual (Page 98)

ESC 4 Select Italic Mode
Format:
ASCII code: ESC 4
Decimal: 2 7
5 2
H e x a d e c i m a l : 1 B 3 4
Comments:
Causes characters from the italic character set to be printed.
This command is valid even if the Epson Character Graphics set has
been selected by ESC t or DIP switch 1-3, but character graphics
cannot be italicized.
ESC 5
Format:
ASCII code: ESC 5
Decimal: 2 7
5 3
H e x a d e c i m a l : 1 B 35
Comments:
Cancels the mode selected by ESC 4.
Cancel Italic Mode
Command Summary A-27