Genicom GEK 00031B Programmer's Manual page 118

ESC W n
ESC X n m
Chapter 5. Proprinter Emulation
Set Double-Wide Print On/Off: When enabled, printable characters
are printed twice their current width. This sequence has precedence
over the SO control code.
n = 1: doublewide is enabled
n = 0: doublewide is disabled
Decimal: 27 87 <n>
Hex: 1B 57 <n>
BASIC: CHR$(27);"W<n>";
Set Horizontal Margins: This sequence sets the left (n) and right (m)
margins. The interval is based on the current cpi setting. Variable (m)
must be greater than W. and the sequence must include both
variables.
Decimal: 27 88 <n> <m>
Hex: 1B 5B <n> <m>
BASIC: CHR$(27);"X<n><m>";
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GEK-00029B