Preventing Unauthorized Access
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D Press [Network Security Level].
If the setting you want to specify does not appear, press [TNext] to scroll
down to other settings.
E Select the network security level.
Select [Level 0], [Level 1], or [Level 2].
F Press [OK].
G Press [Exit].
H Press the {User Tools/Counter}key.
-Status of Functions under each Network Security Level
❍= Available
— = Unavailable
U = Port is open.
| = Port is closed.
✩ = Automatic
★ = Ciphertext Only
× = Ciphertext Priority