- Install the USB driver from Icom first... then attach the radio.
- Get your HRD up and running via USB-Serial(speed: 9600).
- Choose your soundcard for TX/RX in DM780(in Win8.1: USB Audio CODEC)
- For PTT - choose "via Ham Radio Deluxe - DM780 must be connected to HRD)
- To make PTT work - assign TX button in DM780 to the physical TX button on the radio.