Citizen Systems iDP-3550 - Manual (Page 53)

selected with the DIP switch segment 1-5. If CBM2 (ON) is selected with the DIP switch segment 1-5, the
functions of these commands are changed as shown in the table below.
Function
Command Code
8-bit data selected 7-bit data selected
SO 0E Canceling the double width character SO side character
SI 0F Specifying the double width character SI side character
Command Code Function
DC1 11 Selecting the printer
DC2 12 Specifying the red print
DC3 13 Deselecting the printer