User guide

18
AUDIO CONTROLS
Adjusting Ring Tone Volume
To adjust the ring volume, while the handset is on hook and the speakerphone
is off, press and on the volume button. By pressing repeatedly,
you can turn the ringer volume off.
Adjusting Handset Volume
To adjust the handset volume, while the handset is off hook,
press and on the volume button.
Adjusting Headset Volume
To adjust the headset volume, while the headset LED is illuminated,
press and on the volume button.
Adjusting Speakerphone Volume
To adjust the speakerphone volume, while the speakerphone LED is
illuminated, press and on the volume button.
Muting an Active Call
To mute the active call, press the Mute button . The LED turns red. To
un-mute the call, press the button again.