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CBM-710/720/730/750 User’s Manual
34 CITIZEN
(3) Slide Switch Setting (Serial interface specifications only)
RS232-C or 20mA current loop can be selected by changing slide switch SW1 on the control board. The side
labeled "RS" is for RS232-C and the side, labeled "CL" is for 20mA current loop. The switch is set at the factory for
RS232-C.
(4) DIP Switch and Slide Switch Locations
DIP switches and slide switches are mounted on the control board to make function selection possible. When
function selection is performed, remove the printer bottom cover.
Special care should be taken to avoid damage to electronic parts and wiring. Furthermore, be sure to disconnect
the power plug from the electric outlet before opening the printer case.
Note: 1. DS2 is mounted for RS232C and RS422A type only.
2. SW1 is mounted for RS232C type only.