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3
MAINTENANCE
Issuing a USB authentication key
Management > Management Tools
By setting an authentication key and saving it to a USB flash drive, you can securely authenticate the USB
flash drive that is used for automatic backup and restore, or updating the firmware.
When the USB authentication key is set, the Controller reads or writes the setting data or the firmware from/to
only the USB flash drive that has a matching authentication key.
1
Insert the USB flash drive into the USB port of the Controller.
• The [USB] indicator lights green when the USB flash drive is successfully
mounted.
2
Open the Management Tools screen of the Controller setting screen.
(Management > Management Tools)
3
In [USB], enter the USB Authentication Key of up to 64 characters, and then Click <Apply>.
4
Click <Write>.
3-16
[USB] Port
1 Enter
2 Click
Click
(☞ Continued on the next page)
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