Det-Tronics 000499-124 DVR, 16 Camera, 500GB (Guardall) - Manual (Page 61)

21-0421E rev1.1 VeDVR User Guide 53
Restore Para(meters)
Restore factory settings to the DVR. The IP address, gateway and port number will not be restored.
Upgrade
Use this function to upgrade the firmware. The Firmware language must match the DVR language settings.
Press the Upgrade icon in the pop-up dialog. Select either “FTP” or “USB” Update Mode.
FTP Mode
FTP Server’s IP Address
Input the FTP server’s IP address and press “ENTER” or right click the mouse menu. The DVR will connect to the
FTP server through the network and download the firmware file.
USB Mode
Connect a USB flash drive to the single DVR USB mouse connector on the DVR back panel. The firmware file must
be in the root directory. The DVR will find the new firmware file and install it.