Panasonic kx-tda30ce 用户手册

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页码 202
1.4 During a Conversation
User Manual
75
1.4.6
Mute
To set/cancel
You can disable the microphone or the handset to consult privately with others 
in the room while listening to the other party on the phone through the speaker 
or the handset.
The AUTO ANS/MUTE or VOICE CALL/MUTE button light shows the current status as 
follows:
Off: Normal
Flashing red: Mute
If mute is used during OHCA, it will become Handset Mute.
Press 
MUTE.
PT
OR
During a conversation
AUTO ANS
MUTE
VOICE CALL
MUTE