Hitachi DF2200 Owner's Manual page 36

Menus (Cont.)
Lock menu (DTV & ATV mode)
Press OK or to enter.
Input the factory default password "0000" using the number buttons on the
remote control.
Press the / button to select the preferred item.
NOTE: If you forget the password, please use the master password "4711".
Enable
Use this item to enable/disable the lock system.
Channel Locks
Press OK or to enter.
Press the / button to select the channel you want to lock.
Press OK repeatedly to lock/unlock the highlighted channel.
Parental Rating
Use this item to select the desired program rating. Available options:
No Block, Block G+, Block PG+, Block M+, Block MA+, Block AV+,
Block R+, Block All+.
Lock Keyboard
Use this item to turn on/off the key lock on this unit.
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