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4. The electronic part of the device is faulty.
There is audio in the tracking window but there is no audio signal in playback mode
Possible reasons may be:
1. Setup issues: the audio option is not selected
2. The channel has no audio
Time is wrong
Possible reasons may be:
1. Settings are wrong
2. The battery on the motherboard is not connected properly or is discharged
Motion detection does not work
Possible reasons may 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 may be:
1. The operating system is Windows 98 or Windows Me. We recommend that you update your
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 may 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 not clear.
The network connection is not stable
Possible reasons may 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
Unable to copy to USB
Possible reasons may 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 may be:
1. Alarm settings are not appropriate
2. There are problems specific to each version of the program. We recommend updating the
program.
