void endCd() {
     std::cout << "Shutting down CD..." << std::endl;
     _amp->off();
     _amp->setCd(_cd);
     _cd->eject();
     _cd->off();
 }
 void endCd()
 {
   HUM_TRACE(ACE_TEXT("HomeTheaterFacade::endCd"));
   std::cout << "Shutting down CD..." << std::endl;
   _amp->off();
   _amp->setCd( _cd );
   _cd->eject();
   _cd->off();
 }