Icom IC-R75 Instruction Manual - Page 44

14 CONTROL COMMAND ■ Remote jack (CI-V) information • CI-V connection example The receiver can be connected through an optional CT-17 ci-v level converter to a PC equipped with an RS-232C port. The Icom Communications Interface-V (CI-V) controls the following functions of the receiver. IC-R75 9-15 V DC Up to 4 Icom CI-V transceivers or receivers can be connected to a PC equipped with an RS-232C port. See p. 32 for setting the CI-V condition using set mode. ct-17 PC • Data format The CI-V system can be operated using the following data formats. Data formats differ according to command numbers. A data area or sub command is added for some commands. mini-plug cable CONTROLLER TO IC-R75 q wert y u FE FE 5A E0 Cn Sc Data area FD OK MESSAGE TO CONTROLLER FE FE E0 5A FB FD Preamble code (fixed) Receiver's default address Controller's default address Command number (see table at right) Sub command number (see table at right) BCD code data for frequency or memory number entry End of message code (fixed) Preamble code (fixed) Controller's default address Receiver's default address OK code (fixed) End of message code (fixed) IC-R75 TO CONTROLLER q wert y u FE FE E0 5A Cn Sc Data area FD NG MESSAGE TO CONTROLLER FE FE E0 5A FA FD Preamble code (fixed) Controller's default address Receiver's default address Command number (see table at right) Sub command number (see table at right) BCD code data for frequency or memory number entry End of message code (fixed) Preamble code (fixed) Controller's default address Receiver's default address NG code (fixed) End of message code (fixed) 40