Agilent Technologies Turbo-V 550 Notice De Mode D'emploi page 256

17 Technical Information
Optional Serial Port
Figure 17
Figure 18
Request is an ASCII character identifying the action that must be
performed by the controller or the requested information.
Allowed ASCII characters:
256/310
Communication RS 232 serial port connections
Communication RS 422 serial port connections
"A" = START
"B" = STOP
"C" = Low Speed ON
"D" = Low Speed OFF
"E" = Request for operational parameters
"F" = Pump times zeroing
"G" = Parameters reading
"H" = Parameters writing
Turbo-V 550 Controller User Manual / 87-900-873-01 (G)