Star Dot Impact Printer Specifications page 76

DC3
[Name] Printer deselect
[Code] ASCII
Hexadecimal
Decimal
[Defined Area] ---
[Initial Value] Select printer
[Function] Deselects printer.
All received data is discarded until the next DC1 (printer select) is received.
DC1
[Name] Select printer
[Code] ASCII
Hexadecimal
Decimal
[Defined Area] ---
[Initial Value] Select printer
[Function] This cancels the deselect state of the DC3 (printer deselect) and selects the printer.
STAR Command Specifications
DC3
13
19
DC1
11
17
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Rev. 0.70