• Why the DVR can not boot up normally?
*The power supply is not correct.
*Switch power supply line is not in good connection...
28/10/2016
• Why does the DVR reboots automatically or stops working after booting up a few minutes?
*The input voltage is not stable or too low.
*The hard disk is damaged or the hard disk cables are broken...
28/10/2016
• Why the DVR system can't detect hard disk?
*The hard disk power supply line is not connected.
*The cables of the hard disk are damaged...
28/10/2016
• Why does the DVR seem unresponsive when operating with the IR remote control?
*The remote control address is not correct...
28/10/2016
• Why does the PTZ seem unresponsive?
*There is something wrong with the frontal PTZ.
*The setting, connection or the installation of the PTZ decoder is not correct.
28/10/2016
• Why is there no output of single channel, multi channel or all channel video?
*Check the adaptor of camera whether to see if it is well-connected.
*Check the cable for connecting video input/output in the back panel of DVR...
28/10/2016
• Why is DVR having problem with real-time images, such as bad image color or serious brightness distortion?
*Check the brightness of the picture and bring it back to its original default setting.
*DVR is not compatible with monitor...
28/10/2016
• Why is there no Recording icons on preview?
*Make sure that HDD is formatted.
*Check the power and data connection cables of the HDD...
28/10/2016
• Why is there no audio in preview channel?
*Check to make sure the audio is enabled in the surveillance window.
*Check sound box or speaker functions. Also check possible short circuit...
28/10/2016
• Why is System time wrong on preview?
*Wrong setting.
*Battery on the mainboard is not connected properly...
28/10/2016
• Why can't the DVR list the video files in local playback mode?
*The data line of the hard disk is damaged.
*The hard disk is damaged...
28/10/2016
• Why is the local video not clear when playback?
*The image quality is too bad.
*The reading program is wrong. Reboot up the DVR...
28/10/2016
• Whty is there audio signal in the surveillance window but no audio signal in the playback state?
*Setting issues: the audio option is not chosen in Recording Settings.
28/10/2016
• Why can not I have access to the DVR on IE?
*Check that the LAN cable is well-connected...
28/10/2016
• Why can not I login the DVR on IE?
*Check that the USER NAME and PASSWORD are correct...
28/10/2016