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Possible reasons can be:
1. Setup issues: The audio option is not selected
2. The channel has no audio
Time is wrong
Possible reasons can be:
1. Settings are wrong
2. The battery on the motherboard is not properly connected or discharged
Motion detection does not work
Possible reasons can be:
1. The set time interval is not correct
2. The sensitivity is too low
3. There are limitations of some versions
I can not authenticate myself via the internet
Possible reasons can be:
1. The operating system is Windows 98 or Windows Me. We recommend that you update the
Windows 2000 SP4 operating system to the minimum
2. The ActiveX function is locked
3. Version does not exceed Dx 8.1 Update the video card driver
4. The network connection is interrupted
5. Network settings cause problems
6. Your username or password is invalid
7. The CMS is not compatible with the version of the NVR program
The image is not clear or there is no image in the viewing or playback area
Possible reasons can be:
1. The network is not stable
2. The user's computer does not have enough resources
3. Choose the network play mode from the device settings
4. The user does not have any viewing rights
5. The real-time image of the storage device is unclear.
The network connection is not stable
Possible reasons can be:
1. The network is not stable
2. There are IP address conflicts
3. There are MAC address conflicts
4. The network card or device does not work
It is not possible to make a backup on USB
Possible reasons can be:
1. The amount of data is greater than the storage capacity.
2. Backup equipment is not compatible
3. Backup equipment does not work
The alarm can not be turned off or does not work
Possible reasons can be:
1. Alarm settings are not appropriate
2. There are problems specific to each version of the program. We recommend updating the
program.
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