Setup guide
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APPENDIX B: TROUBLESHOOTING
$ There is no output from a single channel, multiple channels or all video
channels.
• Check the power adaptor connections.
• Check the video input/output cable connections on the back panel of DVR.
• Insert the video source directly into the display device to verify that it is working properly.
• Check the brightness settings of the display device. Reset the display to factory default settings.
• Check the camera video signal level at the channel input connector.
• Check for channel Preview security restrictions and privacy masks.
• The hardware of DVR could be defective.
$ The DVR will not record after startup and the interface is showing “ “?
• Make sure power adaptor is providing 12 VDC to the DVR power input.
• Make sure HDD is formatted.
• Check the power and data connection cables of the HDD.
• The HDD could be defective.
• The SATA port may be not working (DVR defective).
$ There is no image on the monitor.
• Verify that power is provided to the monitor. If the monitor uses a power adapter, check all connections.
• Check the brightness setting of the monitor.
• Check the video cable connections at the monitor and at the DVR.
$ The image on the monitor isn’t clear.
• Check the monitor and cameras for signs of damage or deterioration.
• Check the video cable for damage and verify that it is properly connected.
$ The image color quality is poor in live and recorded images.
• Check proper adjustment of the output/input video parameters on the DVR menu.
• Check the connecting cables to ensure that they are connected properly.
$ A mosaic pattern appears on the monitor during playback.
• If the recording parameters are set too low, the recording quality may decline, resulting in occasional mosaics. Adjust your
settings appropriately.
• Check the hard disk drive. Damaged sections on the of the HDD can cause mosaics during playback.