Polycom 4020 manual During conversation Volume regulation, Microphone mute

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6.2 During conversation

6.2.1 Volume regulation:

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

6.2.2 Microphone mute:

Press the ✓-key (MUTE), “MIC. MUTED” is showed in the display. Press the ✓-key (MUTE) to enable the microphone again.

6.2.3Transferring the call to another handset: Press the R-key, and dial new number.

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

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