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