31
A: Check the motion detection time and motion detection zone and make sure that they are right setup, and check the
sensitivity setting.
14. Alarm does not work?
A: Check the correctness of alarm setting and alarm connection, and make sure that alarm signal input is correct.
15. DVR can only realize non-real-time access to LAN?
A: When access to LAN, for 8-channel DVR, it can show real-time screen only when select “LAN” in “network environment”
option in login interface; for 4-channel DVR, in addition to select “LAN” in “network environment” option in login interface,
please select “ordinary” in “details” option under recording mode.
16. Remote login interface is available, but show “Login failed” when login?
A: 1) Please check whether the account matches the password you entered, if you forget the password, please enter “User
Password” interface of mainframe, and click “Clear IE Password”, and login again. 2) Please check DVR local network and
remote access network. Too low network speed will cause failed login. Please try it for several times.
17. After successful remote access, showing “user is configuring…. “?
A: Please exit all mainframe menus and keep preview status, then, remote setup is available and storable.
18. There is drag mark on screen when real-time monitoring in client end, even short delay?
A: 1) It’s normal if less than 10 seconds; 2) Confirm the DVR environment network speed is guaranteed.
19. Serious image delay during cell phone monitoring?
A: 1) Change the mobile wireless network into 3G or wifi; 2) Confirm the DVR environment network speed is guaranteed; 3)
Do not put cell phone in a weak signal area; 4) It’s normal if less than 10 seconds.
Appendix 2 hard disk space occupation calculation
This DVR data hard disk occupation per channel/hour is as following table according to different bit rate and resolution:
(The table is only for reference, the real product shall prevail)
Unit: Megabyte /Channel/Hour
Bit rate
Resolution
Excellent
Good
Ordinary
D1
400
300
200
half-D1
350
250
150
CIF
300
200
100
According to this table, for a 4-channel DVR 800 is the hard disk space occupied by 4 cameras 24 hours per day.
The data from different environment signal source and bit rate will be different, so the data can only serve for reference.