PROBLEM | SOLUTION |
|
|
Some cameras show video images in weird | Check the cameras connected to the system. Switch the camera |
colors or abnormal shapes.. | that displays defected images with the another camera that |
| displays images correctly, then you can check which camera |
| is not working properly or whether |
| defected. |
| Check camera video format 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 the video |
| image processing methods. In this case, video images will be |
| displayed, but not in recognizable shape. Check the video format |
| type sent from connected cameras and image processing |
| method set in [System Menu] are identical. |
|
|
Displayed video signals have a lot of noise. | Check the cameras connected to the system. Switch the camera |
| that displays defected images with the another camera that |
| displays images correctly, then you can check which camera |
| is not working properly or whether |
| defected. |
| Check the cable connections between camera and |
| |
| mixed or disconnected. |
| Check the surroundings of cable connections between camera |
| and |
| line around the cable connections. If there is a |
| power line nearby the cable connections, it can degrade video |
| image quality or causes noises. |
| Check the cable connections between camera and |
| |
| transferring video signals. If you have used for example power |
| cables for video image transmission, it can cause noise on the |
| displayed video image. |
|
|
Sometimes the system reboots without any | If |
cause. | 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 in the [Recording Setup]- |
| [Recording Schedule] menu. |
| Check if the sensors are correctly connected to power source. |
| Check if the sensors’ signal lines are correctly connected. |
|
|
Connected control devices are not working | Check if the control devices are enabled in the Camera Setup menu. |
properly. | Check if the control devices are correctly connected to power |
| |
| source. |
| Check if the signal lines of the control devices are correctly |
| connected. |
|
|
09 appendix
appendix _81