Installation Manual

54
Number
display
Show the incoming call number
Answer call
Single click to answer the call
Mute Mute the microphone while keeping the call
Volume - Single click to decrease the volume gradually;
Volume + Single click to increase the volume gradually;
Reject
Single click to reject the call
4.22.9 Single click and it will display connected. You can talk with each other as 4-49
4-49
4.22.10 Single click the button as 4-50