| Troubleshooting | 233
Symptom Reason Solution
You may control the far-site
camera during a call.
Ensure that you are controlling
the near-site camera.
There are some objects
obstructing the sensor in front of
the camera.
Ensure that no objects are
obstructing the sensor in front of
the camera.
The remote control is broken. Replace remote control.
You forget the administrator
password for the system
You cannot access the advanced
settings.
Reset your system.
Contact your network
administrator.
Time and date are wrong The system fails to obtain the
time and date from the SNTP
server automatically.
Manually configure the time and
date.
The local image is not selected. Select local image using your
remote control before adjusting
camera.
The system is in the interface of
menu.
Adjust the camera when the
system is idle or during a call.
You cannot adjust the camera
angle and the focus
The remote control is not
working.
Check the remote control.
Ensure that static images are not
displayed for long periods. Be
aware that meetings that last
more than an hour without much
movement can have the same
effect as a static image.
Configure the automatic sleep
time or the screen saver.
How to prevent monitor burn-in?
Unsuitable monitor parameters. Consider decreasing the monitor’s
sharpness, brightness, and
contrast settings if they are set to
their maximum values.
Call Issues
Situation Reason Solution
The network is unavailable. Connect the network
administrator.
Your system cannot receive
calls when the far site dials your
account.
Check whether your account is
registered.
You cannot receive calls.
DND (Do Not Disturb) mode is
enabled.
Disable DND.
You fail to call far site. The far site enables DND (Do Not
Disturb) mode.
Contact the far site to disable
DND.
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