ThinkPad S540 - Using the AMD Switchable Graphics Feature; Using Audio Features

Itmighttakeseveralsecondsbeforetheprojectordisplaystheimage.Ifyoudonotseeyourdesktop
displayedafter60seconds,pressF7toswitchbetweendifferentdisplayoutputlocations.
Yourprojectormighthaveoneormoreaudio-inputconnectors.Toprojectsound,youwillneedtoattach
thecomboaudioconnectoronyourcomputertotheseconnectors,usinganaudiocable(commercially
available).
UsingtheAMDSwitchableGraphicsfeature
SomeThinkPadnotebookcomputerssupporttheAMDSwitchableGraphicsfeature.
Toachievethebestbalancebetweenthecomputerperformanceandalongbatterylife,dependingonthe
graphicsqualitydemandoftherunningprogramandthesettingsofthepowerplanthatyouuse,theAMD
SwitchableGraphicsfeatureautomaticallyswitchesbetweenHighPerformanceGraphicsandEnergySaving
Graphics,withnoneedtorestartyourcomputer,closeprograms,orintervenemanually.
Usingaudiofeatures
Yourcomputerisequippedwiththefollowing:
•Comboaudioconnector,3.5mm(0.14inch)indiameter
•Speakers
•Microphone
Yourcomputeralsohasanaudiochipthatenablesyoutoenjoyvariousmultimediaaudiofeatures:
•CompliantwithIntelHighDefinitionAudio
•PlaybackofMusicalInstrumentDigitalInterface(MIDI)andMovingPictureExpertsGroupAudioLayer-3
(MP3)files
•Recordingandplaybackofpulse-codemodulation(PCM)andWaveformAudioFileFormat(WAV)files
•Recordingfromvarioussoundsources,suchasaheadsetattached
Note:Thecomboaudioconnectordoesnotsupportaconventionalmicrophone.
Thefollowingtableshowswhichfunctionsoftheaudiodevicesattachedtotheconnectorsonyourcomputer
orthesupportedThinkPadOneLinkDockaresupported.
Table3.Audiofeaturelist
Connector
Headsetwitha3.5mm
4-poleplug
Conventional
headphone
Conventional
microphone
Comboaudioconnector
Headphoneand
microphonefunctions
supported
Headphonefunction
supported
Notsupported
Comboaudioconnectorofthe
supportedThinkPadOneLink
Dock
Headphoneand
microphonefunctions
supported
Headphonefunction
supported
Notsupported
Configuringforsoundrecording
Toconfigurethemicrophoneforoptimizedsoundrecording,opentheRealtekHDAudioManagerwindow
bydoingthefollowing:
38UserGuide