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You hear a distinct echo.
You cannot make a call.
Severe freezes and broken video during call.
Can't see the PC screen after I press [CONTENT]. •
The PC screen is shifted after [CONTENT] has
been pressed.
I can't access the web server.
The remote user is not able to hear your voice.
The current input video of the local camera
displays the flickering image.
If You Use HDMI TV or Monitor
•
Adjust the volume of the HDMI TV or monitor so that it is not too loud.
•
Adjust that camera or Mic location is not too close to the HDMI TV or monitor
(approximately 1 m or more).
•
Run the Audio out test at the [System info > Audio/Video] menu.
If You Use the Built-in Speaker
•
Adjust the volume of the codec (built-in speaker) sound not too large.
•
Adjust the camera or Mic location so that it is not too close to the codec box with
the built-in speaker (approximately 1 m or more).
If You Use External Speakers
•
Adjust the volume of the external speakers so that they are not too loud.
•
Adjust that camera or Mic location is not too close on External speaker
(approximately 1 m or more).
If a call does not successfully connect, verify that you have dialed a working number and
that the far end destination is powered on and available. Verify that the network is ready
and available. Network status is indicated at all times on the main screen.
You can confirm that you can connect from your local IP to remote site IP by using the
ping function in the Network utility.
You confirm that you are using proper call protocol (H.323 or SIP). If you set H.323 or SIP
about outgoing protocol, the far site device must be set to the same protocol like near
site.
If you can't solve this problem, please contact the service center.
•
Try to call using lower video bitrate (e.g. Setup > Admin > Call > General > Maximum
Bandwidth (default 1024 kbps)).
•
Check with each site's IP operators that your video UDP traffic is NOT being blocked
by IPS (Intrusion Protection System).
•
Check the remote user's VCS video capability.
-
What video resolution is supported: HD 720p, SD 720x480
-
What video codec is supported: H.264, H.263
Check that the D-sub cable is connected properly between the PC and the VCS
system.
•
Check that the PC's video out resolution is properly selected (e.g. 640x480, 800x600,
1024x768 and 1280x768).
•
Make sure that you let out the video out correctly on your PC (e.g. Fn + F7 or dual
monitor setting).
Check that the D-sub cable is connected properly between the PC and the VCS system.
-
Change the D-sub cable.
•
Check your VCS device's network accessibility.
1) Check the IP address, subnet, and gateway for typos when using a static IP.
2) Check that the IP address is correctly shown on the OSD using DHCP IP.
3) Connect a different PC to the same network and try to ping to your VCS IP address
(e.g. ping 10.177.217.22).
•
Try to disable / enable the web server menu via Setup.
1) Go to Setup > Admin > Network >Service > Web Server.
2) Set Off and exit from setup.
3) Go back to the Web Server setting, set to On and return to the main screen or try
to turn the power off then back on again.
•
Check microphone status (see page 24).
•
If you select Ext. Microphone in Setup > User > Audio option, check that the Ext.
Microphone is connected properly.
Use Camera Exposure function to match your lighting conditions in [User>Video> Camera
Exposure] menu.
Appendix
51
5
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