no funciona la busqueda hablada en mi gps tomtom go 720

no me funciona la busqueda hablada. alguien puede echarme una mano. los datos del gps
[TomTomGo]
DeviceName=TomTom GO 720
DeviceVersionHW=GO 720
DeviceSerialNumber=M6
DeviceUniqueID=
RamDiskVersion=20130404
BootLoaderVersion=55120
LinuxVersion=842337
ApplicationVersionVersionNumber=9510
ApplicationVersion=1234792.1
UserLanguage=Español
UserName=
LastConnectionTime=Never
GPSFirmwareVersion=GSW3.2.4TT_3.1.00.12-C35B1.02
BuiltInColorScheme0=Belgica
BuiltInColorScheme1=Brittanica
BuiltInColorScheme2=America
BuiltInColorScheme3=Germanica
BuiltInColorScheme4=Australia
BuiltInColorScheme5=Deuteranopia
BuiltInColorScheme6=Greys
BuiltInColorScheme7=Antarctica
BuiltInColorScheme8=Africa
BuiltInColorScheme9=Astra
BuiltInColorScheme10=Asia
BuiltInColorScheme11=Brasilia
BuiltInColorScheme12=Concordia
BuiltInColorScheme13=NewAnglia
CurrentColorSchemeBuiltIn=11
CurrentVoiceInfo=Marta
CurrentMap=Europe_1GB_West_935_5745
CurrentMapVersion=935.5745
CurrentHomeLocation=
Traffic=N
CurrentFuelpricesType=
CurrentFuelpricesTypeString=
CurrentFuelpricesLastFullUpdate=
ValueRatio=AwUw4KzTXReHrAR2fg==
Features=PlusDownloadDynamic,PlusDownloadGeneral,PlusDownloadMap,PlusDownloadPOI,PlusDownloadScheme,PlusDownloadUpgrade,PlusDownloadVoice,PlusDownloadRingTone,PlusMessageNotification,PlusPushChannel,PlusTraffic,PlusOrRDSTMCTraffic,PlusWeather,PlusEphemeris,PlusSafetyCamerasDynamic,PlusRoadConditions,PlusSafetyCamerasStatic,PlusFuelPrices,HDTraffic,PlusTripReporting,HidRemote,HomeBackup,GPRSEngine,VoiceRecording,ASR,TTS,TTSCompressed,MP3,IPOD,MusicPlayer,PhotoViewer,PhotoJPGViewer,PhotoBMPViewer,VoiceBrowser,LinkVolumeToNoise,MapShare,Newyork,Itinerary,Caymann,Durham,Leeway,Handsfree,PhoneFeatures,CarSymbol,RichPOI,FrequentDestinations,PermanentMapCfg,RDSTMC,Prague,Bluetooth,SDSlot,InternalFlash,Microphone,ExternalModem,SMSSupported,SettingsOverride,SDK,USBAccessories,HTTPActivation,MultipleMaps,Traffic,MapOverlays,Documents,WarningSounds,ArrivalSounds,DangerZonesCameras
UnsupportedFeatures=PlusForceMessageNotification,PlusBuddies,PlusFuelPriceTimestamp,Hercules,HerculesTraffic,Oxford,TrackMe,OnDevicePayments,ASRCnC,TTSUncompressed,TTSLoquendo700,TTSNuance51,Games,LinkVolumeToSpeed,ZeroVolumeSupported,CaymannAlwaysOn,MAC,DepartureAdvisor,RouteInfoBackToSummary,VehicleProfile,MapShareVehicleProfile,3DCarModels,TextureRendering,ExtraSounds,UserSkin,InternalModem,HardDisk,Keyboard,SupportKeyControl,SupportGetAMap,Work,WorkEnabled,WorkPromotion,WorkTuria,WorkMurcia,WorkBremen,WorkUsePlus,WorkStartUpPromotion,LiveServices,SimpleMapBrowserButtonBar,AltDefaultCarSymbol
SupportedPatchTypes=3F
NrSupportedErrorTypes=138
UserPatchDatVersion=102
CompressedPatchVersion=200
MapServerPatchDatVersion=105
DeletedPoiDatVersion=200
ServerLineIndexDatVersion=102
ServerNameIndexDatVersion=102
MapShareSupportedProviders=243
CharacterSet=TTU
VehicleBrand=
VehicleModel=
VehicleOptions=

Con un mapa sin cspeech nunca en la vida te va funcionar la dirección dialogada de los x20 o las ordenes por voz si emulas a x40 ó x50