_ident_audible_node = node->getChild("ident-audible", 0, true);
_power_btn_node = node->getChild("power-btn", 0, true);
+ if (_power_btn_node->getType() == simgear::props::NONE)
+ _power_btn_node->setBoolValue(true); // front end didn't implement a power button
+
SGSoundMgr *smgr = globals->get_soundmgr();
_sgr = smgr->find("avionics", true);
_sgr->tie_to_listener();