PROBLEM | SOLUTION |
|
|
Some cameras show video images in weird | Check the cameras connected to the system. Swich the camera |
| color or in abnormal shape. | that displays defected images with the other camera that displays |
| images correctly, and then you can check which camera is not |
| working properly or whether |
| You can swich cameras by simply switching camera numbers on |
| the screen. |
| Check camera types. Countries around the world use different video |
| broadcasting standards such as PAL, NTSC, or SECAM. However |
| each standard is incompatible with the other in terms of video image |
| transmission method and consequently video image processing |
| methods. In this case, video images will be displayed, but not |
| in recognizable shape. Check the video image types sent from |
| connected cameras and image processing method set in [System |
| Menu] are identical. |
|
|
Displayed video signals has a lot of noises. | Check the video outputs from camera. Swich the camera that |
| displays defected images with the other camera that displays |
| images correctly, and then you can check which camera is not |
| working properly or whether |
| You can swich cameras by simply switching camera numbers on |
| the screen. |
| Check the cable connections between camera and |
| Check if these cables are shorted, mixed or disconnected. |
| Check the surroundings of cable connections between camera |
| and |
| around the cable connections. If there is any |
| nearby the cable connections, it might degrade video image quality |
| or causes noises. |
| Check the cable connections between camera and |
| Check if the cables are right for transferring video signals. If you have |
| used power cables for video image transmission, it can cause noises |
| at displayed video images. |
|
|
Sometimes system is rebooted without any | If |
| cause. | malfunction, the embedded self diagnosis feature might cause the |
| system to reboot. |
|
|
| Connected sensors are not working | Check the sensor types set in Camera Setup menu are identical with |
| properly. | the sensors actually connected to the system. |
| Check if the system’s sensors are enabled at [Recording Setup]- |
| [Recording Schedule] menu. |
| Check if the connected sensors are correctly connected to power |
| source. |
| Check if the connected sensors’ signal lines are correctly connected. |
|
|
Connected control devices are not working | Check if the connected control devices are enabled at Camera |
properly. | Setup menu. |
| Check if the connected control devices are correctly connected to |
| power source. |
| Check if the signal lines of the connected control devices are |
| correctly connected. |
|
|