case ACTION_WPS_TRACKLOCK:
                talk_id(LANG_STUDY_MODE, true);
                if(global_settings.study_mode)
                {
                    global_settings.study_mode =false;
                    talk_id(LANG_OFF, true);
                    break;
                }
                else
                {
                    global_settings.study_mode =true;
                    talk_id(LANG_ON, true);
                    break;