65UDR-204(C) Operation manual Revision 3.03.7.9 Factory DefaultAll of set-up date of system comes back to Factory default.Confirmation box on picture setting default will appear after entering default. User canrestore the factory default setting after entering ‘yes’ key button.Please refer to paragraph 5.3 for factory default.Figure 3-45 Confirmation box for Factory Default3.7.10 Software UpgradeUsers can upgrade the software of Ramdisk and Kernel using the USB flash drive(thumb drive) by the following steps.- Download the latest version of software (Ramdisk/Kernel) from the following address.* ftp://ftp.udrdns.net/UDR-204/Software/- Copy the downloaded files from the PC to the USB memory.- Connect the USB memory to the USB port at the rear panel.- Go to 'System Setup' then 'S/W Upgrade' then select Ramdisk or Kernel to upgrade.