NEC e616 User Manual page 158

Item Description
Set codes Provides code number related settings.
Activate PIN1: Selects Enable or Disable.
New PIN1/PIN2: Changes the PIN1/PIN2 number. Input the
current PIN, the new PIN (4-8 digits), and then the new PIN again
for confirmation.
Unblock PIN1/PIN2: Displays PIN1/PIN2 entry screen when
e616 is turned on.
New handset Code: Changes the handset code required to
confirm important actions, such as deleting all Contact list
entries. This requires the Code Number to avoid accidental
operation.
To change the handset code, enter a new code (4 digits), then
enter the new code again for confirmation.
Note : When purchased, the Code Number is set to 0000.
New private PIN: Changes the network password. Input the
current password, the new password (4-8 digits), and then the
new password again for confirmation.
Note : This password entry is needed to change the call
restriction setting of e616.
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Settings