Samsung NV20 Manual page 46

6. Enter the network name (e.g. samsung), and unselect 'The key is provided for me
automatically'. Enter the encryption key in the Network key field, and click OK.
To prevent a network connection from an unauthorized user, it would be better
to configure a network key (encryption key). A network key consists of 5 or 13
alphanumeric characters (e.g. magic), or of 10 or 26 hexadecimal numbers (a
hexadecimal number is represented by numbers '0' to '9' or letters 'a' to 'f').
38 Users Manual