| USER’S MANUAL | |
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Symptom | Checkpoint and resolution |
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| Check whether the recording audio channel is correctly set up. |
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I cannot hear the audio recorded | Check whether the connecter on the rear side of the device is connected |
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with the video. | with external device (Line input) correctly. |
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| Check whether the connected external device is operating correctly. |
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| If there is an object in the camera connected to the system, connect the |
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| camera to the video input port to check the video and check if there is |
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| any issue with the existing cameras connected to the system. |
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Screen colors of some cameras |
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Check whether the video format of the device is the same as that of the |
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are incorrect or the video is |
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camera. |
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displayed in abnormal way. |
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The video format can differ by the region into PAL or NTSC format. IF |
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| the video format of the device is not the same as that of the camera, |
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| the video may not be recognized. |
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| If there is an issue with the camera connected to the system, connect a |
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| different camera to the video input port to check whether the existing |
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| camera connected to the system has an issue. |
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| Check whether the video cable connecting the device and the camera is |
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| damaged. |
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There is noise in the video. | Check whether there is a cable with high voltage near the video cable. It |
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| can cause noise in the video or cause deterioration in the video quality. |
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| Check whether the video cable connected between the device and the |
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| camera is the cable for correct usage. |
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| If the power cable is used for the usage of video cable, it can cause |
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| noises in the video. |
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| Check whether the sensor type set in the sensor setting menu is the |
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The sensor connected to the | same as that of the sensor. |
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From the schedule management item of the recording setting menu, |
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device is not working. |
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check whether the recording using the sensor is set up. |
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| Check whether the sensor is correctly connected to the |
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| Check whether the PTZ camera is correctly set up from the camera |
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| setting menu. |
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| Check whether the power cord of the PTZ camera connected to the |
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PTZ camera connected to the | system is correctly connected. |
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device is not working. | Check whether the signal cord connected to the PTZ camera connected |
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| to the system is correctly connected. |
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| Check the channel the PTZ camera connected to the system controls. |
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| Check the user type. General user cannot use the PTZ function. |
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| H.264 REAL TIME DVR | |
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