Samsung 400 Series User Manual page 60

How to Reset the TV after the V-Chip Blocks a Channel ("Emergency Escape")
If the TV is tuned to a restricted channel, the V-Chip will block it. The screen
will go blank and the following message will appear:
1 Enter your PIN.
To resume normal viewing, tune to a different channel using CH
CH button. Under certain conditions (depending on the rating of the local TV
programs) the V-Chip might lock out all the channels. In this case, use the
V-Chip function for an "emergency escape":
2 Press the MENU button. Press the ▲ or ▼ button to select Setup, then press
the ENTER button.
3 Press the ▲ or ▼ button to select V-Chip, then press the ENTER button.
4 Enter your PIN, then press the ENTER button, and press the ▲ or ▼ button to
temporarily disable the V-Chip Lock.
If you forget the PIN, press the remote-control buttons in the following
sequence, which resets the pin to 0-0-0-0 : Power Off. → MUTE → 8 → 2 →
4 → Power On.
or
English - 60
Channel Is Locked by
TV-PG[ S ]
Use the NUMBER buttons to enter your
pin number to unlock all channels.
Press EXIT to clear PIN.
Press MENU for main menu.
Channel Is Locked by
TV-PG[ L ]
Use the NUMBER buttons to enter your
pin number to unlock all channels.
Press EXIT to clear PIN.
Press MENU for main menu.