NEC HT410 User Manual page 51

3. Type in a combination of the four SELECT
NOTE: A keyword must be four to 10 digits in length.
The [Confirm Keyword] screen will be displayed.
4 Type in the same combination of SELECT
The confirmation screen will be displayed.
5. Select "Yes" and press the ENTER button.
The Security function has been enabled.
5. USING ON-SCREEN MENU
buttons and press the ENTER button.
buttons and press the ENTER button.
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