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114 ESV4 User’s Manual
Follow the on screen instruction and wait for the process to finish
(After upgrade, the system will reboot automatically)
Upgrade through USB thumb drive
1. Prepare a USB flash disk and format with FAT or FAT32 format
2. Place the firmware in the USB flash disk and make sure it’s placed
at the top-level directory. Please do not place the file in a folder.
(Make sure to change the firmware file name to “firmware” and
leave its file extension “.bin” as is before placing the file to the
USB disk)
3. Plug USB flash disk into USB port on the NVR
4. The System LED on the NVR will start to flash in amber. This
indicates firmware upgrade is in process
5. *** Warning *** Please wait until upgrade process finished,
interrupt the upgrade process may cause system not work anymore
6. Wait until System LED remains solid in amber. This indicates
firmware upgrade is finished
7. Power off the NVR and remove the USB disk the power the unit back
on again
8. Restore configuration file back if needed