47
Section 17
System Update
Method 1: You can update system through
DVR_WEB Internet.
About the DVR_WEB setting please refer
“Chapter
Ⅶ
”.
Method 2: You can use this function to upgrade the firmware.
（
1
）
Create a file with a name of “update” in the USB storage, and copy the firmware file to this directory and
rename it with special file name, for example: dvr404d.img. Then insert eternal device into USB port of DVR
after modification.
（
2
）
Enter “Main Menu
—
Advanced
—
Maintenance
—
USB Upgrade” as shown in Fig.42.
Fig. 42
Press “OK” to update system, “Cancel” to give up update.
New firmware will be applied after rebooting.
Note: Please DO NOT unplug the flash memory during the entire system updating process.
Section 18
Reset
Press
and
simultaneously for 1 second then “Reset” menu will pop-up. Input correct password and
press ‘
OK
’ then system will pop-up “Reset Item” box. Select items in this menu and press OK to reset.
Fig. 43 Fig. 44
Note: Please call your distributor for the password.
