Yamaha CS-700 Operation Manual page 47

Tools
The Tools section of the management interface allows importing and exporting
data, resetting the configuration, upgrading the firmware version, and
downloading log files.
Update
Update allows upgrading the device firmware of the CS-700 using an image
bundle on your local PC. Only valid firmware files can be used for an upgrade.
Latest firmware can be found on https://uc.yamaha.com/products/video-
sound-bar/huddle-room-system.
The website allows "drag and drop" of a file, or when clicking in the box a file
browser will open to select the firmware file.
Once the firmware file has been identified, clicking the "Update Firmware"
button will initiate the upgrade. Once the upgrade is complete, the device will
restart, and the boot-up chime will sound. Give the unit several minutes to
update all components and reboot.
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