Epson 4100 - page 295

Operator's Guide 275
ESC o Map G3 into Lower Data Bytes
ASCII: ESC o
Control:CTRL [o
Decimal: 111
Hexadecimal:6F
Maps the G3 character map selected with control command ESC + into
the lower data bytes, making that character map active for printing.
To print only one character from the character map selected as G3, use
ESC O.
ESC ~ Map G1 into Upper Data Bytes*
ASCII: ESC ~
Control:CTRL [~
Decimal: 27 126
Hexadecimal:1B 7E
Maps the G1 character map selected with control command ESC ) into
the upper data bytes, making that character map active for printing.
ESC } Map G2 into Upper Data Bytes (default)*
ASCII: ESC }
Control:CTRL [}
Decimal: 27 125
Hexadecimal:1B 7D
Maps the G2 character map selected with control command ESC * into
the upper data bytes, making that character map active for printing.
To print only one character from the character map selected as G2, use
ESC N.