Print Display
Advance paper
Set device number
Set line width
Set word break on
set word break off
Set trace mode on
Set trace mode off

[ 2nd ] [ PRINT ]
[ 2nd ] [ ADV ]
[ I/O ] { PRT } { DEV } nnn
[ I/O ] { PRT } { WID } nn
[ I/O ] { PRT } { WB }
[ I/O ] { PRT } [ INV ] { WB }
[ 2nd ] [ TRACE ]
[ INV ] [ 2nd ] [ TRACE ]