4. Create a text file called "key_xxxxxxxxxxx.txt" and save it in the "xxxxxxxxxxx" folder.
Write the encryption key in the text file.
/restore_key/xxxxxxxxxxx/key_xxxxxxxxxxx.txt
• Ask an Administrator to enter the encryption key. The key has already been printed out by the
user and may have been saved in the "key_xxxxxxxxxxx.txt" file. (The function of back-up the
encryption key to the SD card directly is provided 11A products or later.)
5. Turn ON the machine’s main power.
6. Confirm that a message is displayed on the LCD telling to insert the SD card that contains
the encryption key.
7. Turn OFF the main power.
8. Insert the SD card that contains the encryption key into SD card slot 2 (the lower slot).
9. Turn ON the main power.
• The machine will automatically restore the encryption key to the flash memory on the
controller board.
10. Turn OFF the main power when the machine has returned to normal status.
11. Remove the SD card from SD card slot 2.
How to do a forced start up with no encryption key
If the encryption key back-up has been lost, follow the procedure below to do a forced start-up.
• The HDD will be formatted after the forced start-up.
• Encrypted data will be deleted.
• User settings will be cleared.
1. Prepare an SD card.
2. Create a directory named "restore_key" inside the root directory of the SD card. Then,
save the "nvram_key.txt" file using the following name:
/restore_key/nvram_key.txt
3. Create a text file and write "nvclear".
• Write this string at the head of the file.
• Use all lower-case letters.
• Do not use quotation marks or blank spaces.
2. Installation
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