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• The corresponding channel may not have any audio input.
10. The timestamp is not displaying the correct time.
Below are a few possible reasons why this may be occurring:
• The time and date settings may not be configured correctly.
• The battery inside the DVR may be loose, or the battery is running low.
11. PTZ control is not working.
Below are a few possible reasons why this may be occurring:
• There may be an error with the PTZ front panel buttons.
• The PTZ decoding settings aren't configured correctly.
• The PTZ connection may be loose or may not be installed correctly.
• An incorrect cable may be used to connect the PTZ enabled device to the DVR.
• The PTZ decoder and the DVR protocol are not compatible.
• The PTZ decoder and DVR address are not compatible.
• Multiple PTZ decoders are causing reverberation or impedance matching, causing PTZ signal interference. Use
a 120 Ohm resister between the PTZ cables to reduce interference.
• The PTZ cable is too long or signal degradation is too great.
12. Motion detection does not work.
Below are a few possible reasons why this may be occurring:
• The motion detection time period may be incorrectly configured.
• Motion detection zone setup is not correctly configured.
• Motion detection sensitivity is too low.
13. Web Access isn't working.
Below are a few possible reasons why this may be occurring:
• Windows version is pre -Windows 2000 service pack 4. Use a more recent version of Windows.
• ActiveX controls have been disabled.
• The PC is not using DirectX 8.1 or higher. Upgrade to a more recent version of DirectX.
• The DVR is having network connection errors.
• Web access may be setup incorrectly.
• The username or password may be incorrect.
• The client end computer is not compatible with the DVR's firmware.
14. Web Access live view is only displaying a static picture. Both live playback and recorded playback aren't
working.
Below are a few possible reasons why this may be occurring:
• The network speed is not sufficient to transfer video data via web access.
• The client PC may have limited resources.
• Multicast mode may be causing this issue.
• A privacy mask or screensaver may be enabled.
• The logged in user may not have sufficient rights to monitor real-time playback.
• The DVR's local video output quality is not sufficient.
15. Network connection is not stable.
Below are a few possible reasons why this may be occurring:
• The network is not stable.
• There may be an IP address conflict.
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