Common problems and solutions for analog cameras(CVBS AHD TVI CVI）

Analog CVBS, AHD TVI CVI camera supports

Analog camera have different format standards. We ship PAL camera to the European market and NTST format camera to the North American market. Please make sure your DVR and the monitor video format are matched.

The most traditional analog camera is CVBS, which can be directly connected to a monitorl. Later AHD, CVI, TVI can only used with a same type DVR.

TVI is Hikvision's proprietary format, CVI is the Dahua's proprietary format.

If the order is coaxial HD analog camera, we will send it in AHD format by default.

Common camera issues:

Question	Reason	Solution
Good in the day, but on the night, the picture is not clear or have cross grain.	The power is not enough	Increase the power
	The power line is too long	Use a independent power supplies
	Check if have disturb nearby	Far away from disturbed area or remove it
	Check if have water or dirty on the lens	Use lens paper to clean
	Check if the transfer distance is too far	Add a amplifier on the line.
	Check if the voltage is normal	Choose stable voltage power supply
No video output	Check if the power Is insert right	Insert power again.
	The power supply is broken	Switch a power supply
	AHD DVR with less 15 FPS connect to a AHD camera with more than 15 FPS	Change the AHD cameras to less than 15 FPS
	Only analog camera can out put to your TV, or a analog monitor	Your AHD TVI CVI need a match DVR, the DVR out put the video to the monitor
All have cross grain	The power is not enough	Increase the power
	The cable is no good or too long	Switch a good video cable
	Use net work cable	Switch use video cable
The picture is black and while when day time	The DVR not match your camera(PAL NTSC, AHD TVI CVI ANALOG)	Make sure the DVR and camera match
IP devices can not connect	Network Settings not right or The device does not support the ONVIF protocol	Make the devices match, and set the network
Bad effect night-vision	IR LED not enough	Add an independent IR LED

Common problems and solutions for analog cameras(CVBS AHD TVI CVI）

Question

Reason

Solution

Good in the day, but on the night, the picture is not clear or have cross grain.

The power is not enough

Increase the power

The power line is too long

Use a independent power supplies

Check if have disturb nearby

Far away from disturbed area or remove it

Check if have water or dirty on the lens

Use lens paper to clean

Check if the transfer distance is too far

Add a amplifier on the line.

Check if the voltage is normal

Choose stable voltage power supply

No video output

Check if the power Is insert right

Insert power again.

The power supply is broken

Switch a power supply

AHD DVR with less 15 FPS connect to a AHD camera with more than 15 FPS

Change the AHD cameras to less than 15 FPS

Only analog camera can out put to your TV, or a analog monitor

Your AHD TVI CVI need a match DVR, the DVR out put the video to the monitor

All have cross grain

The power is not enough

Increase the power

The cable is no good or too long

Switch a good video cable

Use net work cable

Switch use video cable

The picture is black and while when day time

The DVR not match your camera(PAL NTSC, AHD TVI CVI ANALOG)

Make sure the DVR and camera match

IP devices can not connect

Network Settings not right or

The device does not support the ONVIF protocol

Make the devices match, and set the network

Bad effect

night-vision

IR LED not enough

Add an independent IR LED