How to turn onoff Bluetooth Oral
⏼.IEC60417-5010,thepoweron-offsymbol(linewithinacircle),isusedonbuttonsthatswitchadevicebetweenonandfullyoffstates.;⏾.Acrescentmoon, ...,Thelinesymbolmeans“poweron”andthecirclesymbolmeans“poweroff”.Thepresenceofboth(I/O)onapushbuttonmeanstheswitc...。參考影片的文章的如下: