NEC VT490 User Manual page 40

5. Use the SELECT
The [Security Keyword] screen will be displayed.
6. Type in a combination of the four SELECT buttons
NOTE: A keyword must be 4 to 10 digits in length. Please make a note of your keyword.
The [Confirm Keyword] screen will be displayed.
NOTE:
Do not forget your keyword. However, if you forget your keyword, NEC or your dealer will provide you with your Release
Code upon proof of ownership. See more information at the end of this section. ( → page 33)
7. Type in the same combination of SELECT button
The confirmation screen will be displayed.
8. Select [Yes] and press the ENTER button.
The Security function has been enabled.
or button to select [On] and press the ENTER button.
and press the ENTER button.
and press the ENTER button.
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4. Convenient Features