Troubleshooting
147
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 VC110 all-in-one unit.
Ensure that the VC110 all-in-one unit is turned on.
Ensure that you have selected the correct video input source.
Why can’t the display device start a presentation?
Ensure that the PC is properly connected to the cable hub.
Ensure that the PC is turned on.
Contact your administrator for help.
Video & Audio Issues
Why can’t I hear the audio during a call?
Ensure that the endpoint has selected an available audio output device.
Ensure that the proper volume level on the endpoint.
Ensure that the microphone on the remote endpoint is not muted.
Why can’t I hear a ring tone when receiving a call?
Ensure that the endpoint has selected an available audio output device.
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 endpoint is idle via the remote control or video
conferencing phone. For more information, refer to Volume Settings on page 57.
Ensure that the microphone of the remote endpoint is not muted.
Why can’t I view the menu?
Check whether the Display1 port of VC110 all-in-one unit is connected to the HDMI port
on the display device.
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