61R4, R8, R16 DVR V8.1.0 User Manual2. Insert the USB flash drive into the USB port of the recorder.3. In the Upgrade menu, click Select File button, and then select the firmware file in your USB flash drive. Click OK.4. Click Upgrade to start the system upgrade. The system upgrade will last around 5-10 minutes. Allow the upgrade process tocomplete before continuing. Follow the on-screen instructions to complete the process. DO NOT power off the DVR or removethe USB from DVR during firmware upgrade.5. After the upgrade process completes, remove the flash drive from the recorder.8.3.4 Parameter ManagementYou can backup (Save) the main menu (system configuration) settings to a USB flash drive, and then restore (Load) them later toreturn the system to its former state. You can also Load the menu settings onto another recorder (must be same hardware).To Save the Main Menu settings:1. Plug a USB flash drive with sufficient space into a USB port on the recorder.2. Click Save Settings on the Parameter Management menu.3. Follow the on-screen instructions to complete the operation. You must enter the admin user password to complete the saveoperation.4. Allow the operation to complete before continuing. The default name for the file you saved is DEVICE_Settings. See below.5. Remove the flash drive from the USB port and store it in a secure place for possible use later.To Load the Main Menu settings:1. Plug a USB flash drive containing the Main Menu Settings you saved earlier into a USB port on the recorder.SECTION 8: SYSTEM SETTINGS