Yealink VC110, Руководство администратора

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Troubleshooting
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loss may occur due to network congestion. Jitter may occur due to information
reorganization of the transmission or receiving equipment, such as, delay
processing, retransmission mechanism or buffer overflow.
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Noise devices, such as computers or fans, may make it difficult to hear each other's
voices clearly.
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Wires may also cause this problem. Replace the old with the new cables, and then
reconnect to check whether the new cables provide better connectivity.

Check whether the near site camera is connected to the VC110 all-in-one unit
correctly.

Check whether camera is powered on, and the LED indicator illuminates green.

Check whether the camera is selected for the current video input source.
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Check the screen layout to see whether the remote video image is shown in full
size.
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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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Check whether a PC is connected to the VC110 all-in-one unit.

Check whether the PC is sending a signal.

Check the call statistics to see whether the endpoint is sharing content.
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Ensure that dual-stream is configured correctly. For more information, refer to
Dual-Stream Protocol on page 167 .
Refer to your monitor‘s documentation for specific recommendations and instructions.
The following guidelines help prevent image burn-in:

Ensure that static images are not displayed for long periods.

Be aware that meetings that last more than an hour without much movement can