NEC Univerge SV8100 Features And Specifications Manual page 985

UNIVERGE SV8100
Operation
To mute your telephone handset or Handsfree microphone while on a call:
1. Press MIC.
This only turns off the Handsfree microphone.

- OR -
Press the Microphone Cutoff key (Program 15-07 or SC 751: 40).
This turns off both the handset and Handsfree microphone.

To turn your telephone microphone back on:
1. Press MIC.
Use MIC only if you pressed it initially to turn off your Handsfree microphone.

- OR -
Press the Microphone Cutoff key (Program 15-07 or SC 751: 40).
Use the Microphone Cutoff key only if you pressed it initially to turn off your handset or Handsfree microphone.

Microphone Cutoff
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