Yealink VC120 User Manual

Troubleshooting
155
Display Issues
Why is there no video on the display device?
 Ensure that the display device is turned on.
 Ensure that the display device is properly connected to the VC120 Codec.
 Ensure that the VC120 Codec is turned on.
 Ensure that you have selected the correct video input source.
Why can’t the display device share a presentation?
 Ensure that the PC is properly connected to the VC120 Codec.
 Ensure that the VC120 Codec is turned on.
 Contact your administrator for help.
Video & Audio Issues
Why can’t I hear the audio during a call?
 Ensure that the system has selected an available audio output device.
 If you select VCS Phone as the audio output device, ensure that the video conferencing
phone is connected to the VC120 Codec, and LED indicators on the phone illuminate solid
green.
 Ensure the proper volume level on the system.
 Ensure that the microphone on the remote system is not muted.
Why can’t I hear a ring tone when receiving a call?
 Ensure that the system has selected an available audio output device.
 If you select VCS Phone as the audio output device, ensure that the video conferencing
phone is connected to the VC120 Codec, and LED indicators on the phone illuminate solid
green.
 Ensure that the ring volume is not set to 0. If it is, the icon will appear on the status
bar of display device, and the icon will appear on the LCD screen of the video
conferencing phone.
 Adjust the ring volume when the system is idle via the remote control or video
conferencing phone. For more information, refer to Volume Settings on page 51.
 Ensure that the microphone of the remote system is not muted.

Yealink VC120 Specifications

General

Brand	Yealink
Model	VC120
Category	Conference System
Language	English