... Radio(Type: A/B without radio,Type:AR/BR with radio) Battery installationAG10 battery: open thhe battery cover, insert one"AG13" button cell battery, according ... as normal. Otherwise, please install the battery again. DC Adapter usage for Type A&BInsert an adapter into the ... unit lacks of power, please replace the AG 10 button cell battery with the same specifications. SoundConnect audio with "AUDIO" ...