User`s guide

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4 CONTROL CODE
The DPU-414 uses control codes to change forms and characters.
The control codes are not printed. There are two types of function
codes: basic function codes that can be used independently and
extended function codes used with the ESC Sequence.
Basic codes
Code Function
BS Back space
HT Horizontal tab
LF Line feed
FF Form feed
CR Carriage return
SO Set double-width printing by line
SI Set condensed printing
DC2 Reset condensed printing
DC4 Reset double-width printing by line
CAN Cancel
DEL Delete