Epson 1010 User Manual page 240

ESC -
Format:
ASCII code:
Decimal:
Hexadecimal:
Comments:
This mode provides continuous underlining including spaces.
The following values can be used for n:
1: Turns mode on.
0: Turns mode off.
Areas skipped with HT or ESC $ are not underlined.
ESC q
Format:
ASCII code:
Decimal:
Hexadecimal:
Comments:
The following values can be used for n:
0: Selects normal.
1: Selects outline.
2: Selects shadow.
3: Selects outline with shadow.
This command is valid for all characters, with the exception of
character codes BOH to DFH, F4H, and F5H (176 to 223, 244, and
245 decimal) in the graphics character sets.
9-32 Command Summary
ESC -
27 45
1B 2D
ESC
q
27 113
1B 71
Turn Underline Mode On/Off
n
n
n
Select Character Style
n
n
n