Operation Manual

User Manual
37
screen that means a motion alarm is triggered. When [ ] icon appears on the screen, that means HDD alarm has
occurred.
8.3 Mail box server List
Web site
Mail box
Sender server（25） Receiver server（110）
www.163.com
@163.com smtp.163.com pop3.163.com
@vip.163.com smtp.vip.163.com pop.vip.163.com
@188.com smtp.188.com pop.188.com
@126.com smtp.126.com pop3.126.com
@netease.com smtp.netease.com pop.netease.com
@yeah.net smtp.yeah.net pop.netease.com
www.qq.com @qq.com smtp.qq.com pop.qq.com
163.net smtp.163vip.net popx.163vip.net
www.sina.com @sina.com.cn smtp.sina.com.cn pop3.sina.com.cn
www.yahoo.com
@yahoo.com.cn smtp.mail.yahoo.com.cn pop.mail.yahoo.com.cn
@yahoo.com smtp.mail.yahoo.com pop.mail.yahoo.com
google.com @gmail.com smtp.gmail.com(465/587) pop.gmail.com(995)
www.china.com @china.com smtp.china.com pop.china.com
www.sohu.com @sohu.com smtp.sohu.com pop.sohu.com
Mail.163.com smtp.163.net pop.163.net
Mail.163vip.com smtp.163vip.net pop.163vip.net
Mail.tom.com @tom.com smtp.tom.com pop.tom.com
Mail.263.com @263.net smtp.263.net pop3.263.net
x263.net smtp.x263.net pop.x263.net
263.net.cn smtp.263.net.cn pop.263.net.cn
139 mail box @139.com smtp.139.com pop.139.com
21cn.com smtp.21cn.com pop.21cn.com
Vip.21cn.com vip.21cn.com vip.21cn.com
etang.com smtp.etang.com pop.etang.com
elong.com smtp.elong.com pop3.elong.com
List 8-3
8.4 Troubleshooting
1. Q: What can I do if the system does not detect the HDD?
A: Check if the power supply system is properly connected and data cord and power cables are securely connected.
2. Q: We have changed the password but do not remember the new password, how can we access the system?
A: If you forget system password, please consult with the service personnel.
3. Q: We are not getting any video signal on the DVR, what is wrong?
A: Check camera video cable and connections; or check monitor video cable and connections; or confirm that the
camera has the power and / or check camera lens setting.
4. Q: Why some channels display just a blank screen even if they receive video sources?
A: Check if the camera is connected to the system properly displays the image; check if the camera is properly
supplied with power.
5. Q: Can the DVR have problems if it gets too hot, how can I prevent this?
A: The DVR has a fan to help it dissipate heat while it is running. Please place the DVR in a place where there is
good air circulation and away from heat sources to increase stability and life of the DVR.