InfoPrint LQ-1600K Programmer's Reference Manual page 125

Underline, 86
Unidirectional Printing, 87
Unsupported features, 11
Vertical format unit (VFU), 91
Vertical tabbing example, 92
Vertical tabs, 88
Epson FX-1050, 91
selecting channels, 69
set in channels, 82
set/clear, 88
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