Polycom 4080 manual During conversation Volume regulation, Microphone mute

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8.2 During conversation

8.2.1 Volume regulation:

Use the two keys placed at the right side of the handset for volume control

8.2.2 Microphone mute:

Press the 3-key (mute-key), MIC. MUTED is showed in the display Press the 3-key (mute-key) to enable the microphone again

8.2.3Transferring the call to another handset: Press R, and dial new number

Press the -key and the call is transferred to the other handset

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