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13 Troubleshooting
The screen sometimes displays no information and sometimes
displays a power supply indicator and a glittering battery indicator
after the FWT is turned off.
No information on the screen is a normal status of the FWT after power-off.
Displaying a power supply indicator and a glittering battery indicator indicates
that the FWT is charging the battery.
Hear ring tone after hearing busy tone.
Hearing ringing tone indicates that an external call is coming. If you are not in a
conversation state, you can answer the call. For specific operations of answering
a call, refer to the "Answering a Call".
Hear ringing tone when you are ready to dial or are dialing a number.
Hearing ringing tone indicates that an external call is coming. If you are not in a
conversation state, you can answer the call. For specific operations of answering
a call, refer to the "Answering a Call".
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