Yealink VC400 User Manual page 65

The current ringer volume of the system is displayed on the left of the display device.
Press
-
The LCD screen of the VCP40 phone displays the current ringer volume.
The display device will display the ringer volume simultaneously.
If ringer volume is adjusted to 0, the
Note
will appear on the LCD screen of the VCP40 phone.
To adjust the volume when the system is during a call:
Press or
-
Customizing the VC400 Video Conferencing System
on the VCP40 phone to adjust the ringer volume.
icon will appear on the display device. The
on the remote control to adjust the receiver volume of the system.
icon
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