Genicom GEK 00031B Programmer's Manual page 154

ESC ^ m n1 n2
Chapter 6. Epson FX286-E Emulation
After the command is sent, the ESC L command then causes the
horizontal density to be 60 dpi instead of 120 dpi.
Decimal: 27 63 n
Hex: 1B 3F nH
BASIC: CHR$(27);"?";CHR$(s);CHR$(n);
Select 9-Pin Graphics: Turns on the 9-bit graphics mode for
n1+(n2 x 256) columns. The variable m determines the density as
follows:
This emulation does not support the 9-bit operation. The
byte containing the 9th bit is discarded and only the top
eight bits are used.
m=1 double density
m=0 single density
Decimal: 27 94 m n1 n2
Hex: 1B 5E m n1 n2
BASIC: CHR$(27);"^";CHR$(m);CHR$(nl);CHR$(n2);
NOTE
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GEK-00029A