System Hardware Feature Descriptions
Reference Number Feature Feature Description
1
Volume keys Adjusts the volume of the audio from the
speakerphone and ringer.
2
Mute key Mutes the microphones during calls and
conferences. The key glows red when
activated.
3 Proximity sensor
Wakes the system when it detects user
movement nearby.
Caution: Don’t press on the proximity
sensor. Doing so may damage the sensor
and the system.
4