Set a System Manager PIN that is intended exclusively for Administrators. You can access "Network Settings", "System Management Settings", etc. only when the PIN has been entered correctly. It is recommended that only Administrators know the PIN.
Solution
1. Press Menu.
2. Select "System Management Settings".
3 Select "System Manager Information Settings, then select "System Man anger PIN".
4. Enter the System Manager PIN
Enter a number up to seven digits using the number keys, and press "Apply". You will be asked to confirm the PIN on the next screen.
Note:
You cannot set a PIN that consists only of zeros, such as "00" or "0000000."
To cancel the pin settings you've entered, press and then press Apply while the field is blank.
and then press Apply while the field is blank.