6411CONTROL COMMANDNew200112345678910111213141516■ GeneralThe IC-R6 can be connected to a PC via the PC’s RS-232Cport using an optional CT-17 CI-V LEVEL CONVERTER. Thisallows you to control the receiver from the PC and/or transferdata from the receiver to the PC.Control is provided via Icom’s CI-V Communication Interface.An appropriate application for CI-V command is not sup-plied from Icom.■ Data formatThe CI-V system can be operated using the following dataformats. Data formats differ according to command numbers.A data area is added for some commands.Controller ➡ IC-R6IC-R6 ➡ Controllerq Preamble code (fixed)w Receiver’s default addresse Controller’s default addressr Command number (see page 65)t Sub command number (see page 65)y BCD code data for frequency/mode/Squelch condition entryu End of message code (fixed)FE FE 7E E0 Cn Sc Data area FDq w e r t y uFE FE E0 7E Cn Sc Data area FDq e w r t y uCT-17DC9–15 VIC-R6 to [SP]CI-V connections exampleCI-V compatible transceiverCI-V compatible transceiverPC3.5(d) mmGNDI/OSPGNDSPI/O3-conductor 3.5(d) mmplug must be used.Externalspeaker2-conductor3.5(d) mm plugRS-232C cable