Planet Technology DVR-1670 - Manual (Page 81)

6.3 Upgrade
You can use this function to upgrade the firmware. Please confirm the language is matched.
Press “Upgrade” icon, in the pop-up dialog, you can select either “FTP” or “USB” upgrade
mode.
If you select “FTP” mode, you will enter into “FTP Upgrade” menu
Input the ftp server IP and press ENTER key. DVR will connect with FTP server through
network and download the firmware file.
If you select “USB” mode, please make sure you connect one USB flash memory with DVR
and the firmware file is in its root directory.
Reboot after successfully upgrading, the system will use the new firmware.
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