Dahua Technology XVR4 Series, Руководство пользователя

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FAQ 294
 For the product supports analog standard definition camera/HD camera, you need to go to
the Main Menu > CAMERA > CHANNEL TYPE to select corresponding channel type and
then restart the DVR.
29. I cannot connect to the IP channel.
There are following possibilities:
 Check the camera is online or not.

Check IP channel setup is right or not (such as IP address, user name, password,
connection protocol, and port number).

The camera has set the whitelist (Only the specified devices can connect to the camera).
30. After I connected to the IP channel, the one-window output is OK, but there is no
multiple-window output.
There are following possibilities:

Check the sub stream of the camera has been enabled or not.
 Check the sub stream type of the camera is H.264 or not.

Check the device supports camera sub stream resolution or not (such as 960H, D1, and
HD1).
31. After I connected to the IP channel, the multiple-window output is OK, but there is no
one-window output.
There are following possibilities:

Check there is video from the IP channel or not. Please go to the Main Menu > INFO >
BPS to view bit stream real-time information.
 Check the main stream of the camera has been enabled or not.

Check the main stream type of the camera is H.264 or not.

Check the device supports camera main stream resolution or not (such as 960H, D1, and
HD1).

Check camera network transmission has reached the threshold or not. Please check the
online user of the camera.
32. After I connected to the IP channel, there is no video output in the one-window or the
multiple-window mode. But I can see there is bit stream.
There are following possibilities:

Check the main stream/sub stream type of the camera is H.264 or not.

Check the device supports camera main stream/sub stream resolution or not (such as
1080P, 720P, 960H, D1, and HD1).

Check the camera setup. Please make sure It supports the products of other
manufacturers.
33. DDNS registration failed or cannot access the device domain name.
There are following possibilities:
 Check the device is connected to the WAN. Please check the device has got the IP
address if the PPPoE can dial. If there is a router, please check the router to make sure the
device IP is online.

Check the corresponding protocol of the DDNS is enabled. Check the DDNS function is
OK or not.
 Check DNS setup is right or not. Default Google DNS server is 8.8.8.8, 8.8.5.5. You can
use different DNS provided by your ISP.
34. I cannot use the P2P function on my cell phone or the WEB.
There are following possibilities: