AGI Security SYS-HD0420A - Manual (Page 43)

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LOAD DEFAULT Press the button to reset the system to the default settings.
(The following settings such as Language, DVR ID, Security User Authentication,
Security User P/W, Date format, DLS settings, Network settings, HDD overwrite,
Limit recording, HDD serial number, and HDD ERROR time will not be included.)
LOAD FACTORY
DEFAULT Press the button to reset the system to the factory default settings.
SOFTWARE
UPGRADE
Upgrade softeware to the latest version.
After connecting USB flash drive to USB port on the DVR, click SEARCH.
It will automatically find the upgrade file.