Upgrade instruction for 8CH AHD DVR (the version before 20141230)£º 

1   Pls first choose the file G00XL-EC-AHDVR10X-up-20141230.2.tar£¬ wait for it upgrade automatically, once finish upgrade , pls start the  Preview Mode. 

2   After finish the first upgrade, pls choose file G00XL-EC-AHDVR10X-update20141230.2.tar for second upgrade£¬Wait for it finish upgrade automatically, then the DVR system can catch the signal with self-adaption function.

3.  The latest upgrade, pls choose file G008L-EC-AHDVR108-upadte20150311.tar