Beyonwiz FV-L1 - Manual (Page 95)

Advanced Setup
88
3) Colour Theme
You can choose between 10 colour themes for on-screen menus and
information boxes.
1-3. Access Control
You can set a 4-digit PIN number to control access to certain set-up
menus. After setting a PIN number, users must enter the PIN number
to access the menu.
1) Set PIN Number
Press the OK button to open the “Change PIN Code” pop-up window, as
shown below;
Use the NUMERIC buttons to enter the current PIN number, then your
desired new PIN number, and then repeat your desired new PIN number
to confirm it was entered correctly
NOTE

The default PIN number is 0000.