User's Manual
CHAPTER4:PARAMETERSETTINGS.....................................................27
4.1AUTOPOWER‐OFF ....................................................................... 27
4.2AUTOSLEEPMODE ....................................................................... 27
4.3INTERFACEBRIGHTNESS ................................................................. 27
4.4DISPLAYLANGUAGE ...................................................................... 27
4.5.INTERFACETHEMES ...................................................................... 27
4.6SPEAKERSTATUS .......................................................................... 27
4.7.RECORDINGFUNCTION .................................................................. 27
4.8AUDIOCOMPRESSION .................................................................... 27
CHAPTER5DISPLAYDESCRIPTIONS....................................................28
CHAPTER6PRODUCTSMAINTENANCE...............................................29
6.1UPGRADEMAINTENANCE ................................................................ 29
6.2ROUTINEMAINTENANCE................................................................. 29
6.3TROUBLESHOOTING ...................................................................... 29