Basic rules of operation
Charge level of the battery
Charge level of the battery
Your Blue Voice sounds signal tones to let you know that the battery is almost flat:
• Single signal tone: The remaining charge in the battery will soon be used up.
Please charge the battery immediately.
• Double signal tone: There is no charge left in the battery and Blue Voice will switch
off presently.
Note
• No battery warning tones are sounded during a call.
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