Hitachi 26HDL52 - LCD Direct View TV Operating Manual page 38

2. Continue to press the ▼ button to initial setup function. Press SEL button to enter Initial Setup Menu.
3. Continue to press the ▼ button until the channel list and press the SEL button to show the channel list.
4. Use the ▲▼ buttons to select a channel to add or erase.
5. Use the▲▼ buttons to highlight Add or Erase. Press the SEL button to add or erase the current channel.
6. Press the EXIT button on your remote control to return to your TV display.
When a viewer attempts to watch a blocked channel, this message appears:
The channel will remain blocked until the correct lock code is enter
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