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H.264 4/8/16-channel Networkable DVRs
APPENDIX B: TROUBLESHOOTING
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The DVR is showing real-time images with bad image color, brightness
distortion, etc.
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Verify that the PAL/NTSC setting for the BNC output is configured correctly (NTSC). Improper settings can cause the images to
appear black and white.
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Make sure the DVR is compatible with monitor.
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Make sure the video transmission distance is within the recommended range.
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Adjust the settings for DVR color, brightness, etc.
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There is no sound when monitoring the channel.
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Check the sound box or speaker functions. Also check for possible short-circuit problems.
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Audio source may be connected to the video channel. Click to full-screen to verify.
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Check the audio channel mute configuration setting.
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The DVR could be defective.
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There is no audio sound when playing back recordings
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Check the audio-video playback settings.
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Check the audio to see if it is closed in playback interface.
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The system time is not correct.
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Check the system time configuration settings. The wrong setting might be selected.
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Check the motherboard battery. The battery may not be installed properly, or may be expended (dead).
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After right clicking “Stop recording” on the tool bar, the recording does not
stop. How do I stop recording?
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Check the recording mode. The “Stop recording” button functions for Manual recording only.
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If the DVR is scheduled for continuous recording at the current time, change the schedule to stop recording.
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Motion detection is not working properly.
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Check the motion detection area configuration setup.
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Check the sensitivity setting for motion detection. The sensitivity may be set too low or too high.
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The remote control does not work.
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Verify that the address setting of the remote control is correct.
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Obstructions may be blocking the remote control sensor.
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The remote control may be too far away or at an extreme angle to the sensor.
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Check the remote control batteries
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Make sure that the remote control and the sensor on the DVR are not damaged.
