NEC NP4001 - Manual (Page 70)

4. Convenient Features
58
3.
You are prompted to enable the
Security Function. Select OK
and press Enter.
Select On using the ▼ button.
4.
The keyword window is dis-
played. Enter a keyword between
4 and 10 characters using
▲▼◄►. Press Enter.
5.
Once a successful keyword is
entered, a confirmation screen is
displayed. Enter the same
password as the previous step
and write it down for later
reference. Press Enter. A
security activation message is
displayed. Select Cancel to re-
turn to the Setup menu or select
OK to enable security.