void start_serial() throws InterruptedException {
if (remote) {
- serial_line.set_channel(AltosPreferences.channel());
+ serial_line.set_channel(AltosPreferences.channel(device.getSerial()));
serial_line.set_callsign(AltosPreferences.callsign());
serial_line.printf("p\n");
serial_line.flush_input();