1. ＊ pls connect PC via Lan cable to DVR ＊ click Intranet icon, then click the “content”

2. ＊ pls find the window of “ Intemet Protocol (TCP/IP)”, then click “content” 。

3. ＊ then set IP as ： １９２．１６８．５０．１ and gate ： ２５５．２５５．２５５．０

4. ＊ then open the file ： ethDownloader_V3.5

5. ＊ Target IP: 192.168.50.2 ＊ Image Path: Then select the firmware file “iDVR400T2.4.61.116ENCU.img”

6. ＊ under Live mode, press the “menu” key on the panel ＊ then keyin password “1234”, then “Enter”

7. ＊ select “System”, then select”Network”

8. ＊ Select “NEXT” ＊ then set “IP Address” as ： 192.168.50.2 then press “confirm”, then exit from the menu

9. ＊ once IP is set and exit from menu, then will show the message of “confirm” 。 Select “OK”, then hold at the same time the key “SCR”+”Exit” until you see the message like picture 2. （ picture 1 ） Picture 2

10. ＊ then in “ethDownloader_V3.5”, press “Download(Enter key)” 。 ＊ then the Firmware is updated as picture 2 Image Written 100% Reboot Please ok Then restart, then the update is done （一） （ picture 2 ）