if (_electrical_node->getDoubleValue() < 8.0
|| !_serviceable_node->getBoolValue()
|| !_power_btn_node->getBoolValue() ) {
if (_electrical_node->getDoubleValue() < 8.0
|| !_serviceable_node->getBoolValue()
|| !_power_btn_node->getBoolValue() ) {
string mode = _mode_node->getStringValue();
if (mode == "ant" || mode == "test") set_bearing(delta_time_sec, 90);
if (mode != "bfo" && mode != "adf") {
string mode = _mode_node->getStringValue();
if (mode == "ant" || mode == "test") set_bearing(delta_time_sec, 90);
if (mode != "bfo" && mode != "adf") {
search(frequency_khz, longitude_rad, latitude_rad, altitude_m);
if (!_transmitter_valid) {
search(frequency_khz, longitude_rad, latitude_rad, altitude_m);
if (!_transmitter_valid) {
sound->set_volume(_last_volume = 0);
_sgr->add( sound, _adf_ident );
sound->set_volume(_last_volume = 0);
_sgr->add( sound, _adf_ident );