747 DV MODE OPERATIONN Low-speed data communicationIn addition to the digital voice communication, low-speed datacommunication is available.The optional OPC-1529R DATA COMMUNICATION CABLE andserial data communication software (purchase locally) are re-quired in addition.NOTE: Turn OFF "GPS-TX" (p. 138) in advance to operatethe low-speed data communication.D ConnectionConnect the transceiver to your PC using with the optionalOPC-1529R as illustrated below.OPC-1529R(optional)to [DATA]PCD Low-speed data communication applicationsettingConfigure the low-speed data communication application asfollows.• Port : The same COM port number as IC-E80D’s• Baud rate : 9600/4800 bps (p. 127)• Data : 8 bit• Parity : None• Stop : 1 bit• Flow control : Xon/XoffD Low-speed data communication operationNOTE: Confirm that in AUTO, the computer controls when[PTT] is activated to send data and the user doesn’t haveto operate the radio.q Set the current call signs, etc. as described in “Current callsign setting” (p. 47), “Simplex operation in VFO” (p. 60) and “Re-peater operation in VFO” (p. 62) .w Refer to the instructions of the low-speed data communica-tion application.e To transmit data• At the same time as your voice audio, push and hold [PTT] totransmit while sending data from the PC. Release [PTT] to re-ceive.• Under computer control, see Transmission condition setting atright.
