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Add：5/F,Tonggao Building A,Sanlian Industry Park,Shiyan,Baoan,Shenzhen,
China
Tel：0755-29993165
Fax：0755-29993375
EMail：sales@secu365.cn
Service：0755-29993167
> There are no video outputs in single channel, multiple chann
Possible reasons are as followed:
1.The program is not matched. Please update the program.
2.The image brightness is all 0. Please resume the default setup.
3.There is no video input signal or the signal is too weak.
4.The channel protection or the screen protection is set.
5.The hardware of the DVR is damaged.
