User manual

49
8. Question: No audio sound when playing back?
Answer:
 Setting problem: open audio-video item
 Check the audio to see if it is closed in playback interface
9. Question: System time is not correct?
Answer:
 Wrong setting or user did not click "Edit" to confirm
 Battery is not connected properly
 Battery is dead. Please change.
10. Question: Why the “Stop recording” by the right mouse button does not work, how to stop
recording?
Answer:
 The “Stop recording” by the right mouse button is only suitable for Manual recording. It
can’t stop recording when it’s in “start recording” or the video in video plan.
 If you want to stop recording, please set the time is not recording.
11. Question: "Stop recording" function by the right mouse button does not work. How to stop
recording?
Answer:
The "Stop recording" by the right mouse button is for Manual Recording only. It can not stop
recording when it is in "start recording" or the video is in video plan. If you want to stop recording, please
set the time to not recoding.
12. Question: Motion detection is not working?
Answer:
 The setting of motion detection area is not correct
 Sensitivity is too low
13. Question: CD-writer /USB backup error
Answer:
 The data exceeds the capacity of backup device
 The backup device is incompatible
 The backup device is damaged
14. Question: Remote control cannot work?
Answer:
 The address of remote control is not correct
 The distance of remote control is too far or the angle is too biased
 Remote control batteries run out
 Remote control is damaged or the front panel of DVR is damaged
15. Question: WEB cannot login?
Answer:
 Please check the network to see if it is connected. Check if LINK or 100M LED is
displayed normally on the panel; use ping xxx.xxx.xxx.xxx (DVR IP) to check if the
Internet is linked properly.
 Recommended to use Windows XP or Vista operating system, also use IE6.0 browser or
IE7.0 browser
 ActiveX control has been blocked. Please manually install ActiveX control again.
 Please install DX8.1 and upgrade your video card driver
16. Question: There is no picture or picture is not clear when you preview the recording or
playback the recording via IE
Answer:
 If you access DVR by IE, please choose "Wan" in "web environment"
 Please try "Close windows" by the right mouse button, and try "Open windows" again
17. Question: It displays "other members are setting......" while setting DVR by IE
Answer:
 It probably means someone else is setting the DVR. Please check the DVR configuration
interface or exit DVR.