705 DV MODE OPERATIONN Low-speed data communicationIn addition to the digital voice communication, low-speed datacommunication is available.Use the optional OPC-1529R DATA COMMUNICATION CABLE withthird-party serial data communication software.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] to RS-232CportD Low-speed data communication applicationsettingConfigure the serial data communication software as follows.• Port : The COM port into which you plugged theOPC-1529R• Baud rate : 9600/4800 bps (p. 129)• Data : 8 bit• Parity : None• Stop : 1 bit• Flow control : Xon/XoffD Low-speed data communication operationNOTE: Confirm that when in AUTO, the computer controls[PTT] to send data. In AUTO you should not have to push[PTT] to send data.q Set the current call signs, etc. as described in “Current callsign setting” (p. 42), “Simplex operation in the VFO” (p. 56)and “D-STAR repeater operation in the VFO” (p. 58).w Follow the instructions for the data communication soft-ware.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.
