Network Bandwidth Problems; Why Pop-Up The Prompt"Fail To Connect The Device; Problems With Network Bandwidth - TECHVIEW IP Camera Instruction Manual

You use the DirectX function and it will expedite the DirectDraw,Direct3D and AGP, if its can not ,maybe the
connect issues or hardware not read it.
2.The issues of hardware, can't support the card ,expedite image.
3.The antivirus software will influence the network, it will be stoped or closed.If you install fireproof software
please close it and try again.
4. ActiveX controller is not installed correctly
If its not image on the first time to use, and will display to the user through the ActiveX.If its can not
display of the image, maybe it fail of install, about this issues, please follow as:
1.Install "IP Camera Tool", ActiveX control at the same time.
2.Please install ActiveX control and keep the security settings for IE browser .

8.3.5 Problems with network bandwidth

The image frame rate is subjected to the following factors: 1.network bandwidth; 2. PC
performance,network environment and display preference setting (brightness, theme,
etc.); 3. the number of visitors (Too many visitors will slow down the image frame rate.); 4.
choice of switch or hub (Use a switch for multiple IP Camera Servers rather than a HUB.).
The Device use MJEPT Compression, it needs good network bandwidth, If it is too narrow, it will lead to slowly
browser. Typical video parameter occupy network bandwidth as blows:
640x480@30fps : 4.0 Megabits ～ 5.0 Megabits
320x240@30fps : 1.2 Megabits ～ 1.6 Megabits
8.3.6
Why pop-up the prompt "Fail to connect to the
device..."?
This prompt only appeared in the case of using multiple cameras.
Enter the Multi-Device Settings page(login as administrator) to check the
Device setting is correct or not.
When one of the multiple cameras disconnected, the color changed to
yellow and pop-up the prompt"Fail to connect to the device...".
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