3M 965AMS 用户手册

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6. Press 

 to mute the 

microphone.

 Press 

 to un-mute.

 

7. Press 

 to end the 

call.

 

1.  This function can be used as a butt set to dial out or to 

receive incoming ringing tone.

2.  You can also use this function as a talk circuit on an inactive 

pair. Multiple 965AMS units can be bridged together on 

the pair. Each tester supplies its own talk battery. You 

cannot use the talk function and any other function at the 

same time.