JVC televisions are equipped with V-chip technology, a feature that allows the user to set a code that blocks access to certain programs, depending on content. If the TV owner doesn't want children watching TV shows over a certain rating, the V-chip can be coded to prevent access to those programs unless a four-digit code is entered. Unlocking the channel lock takes only a minute. If the code is lost or forgotten, the V-chip also can be cleared and reset.
Turn on the JVC television and press the "Menu" key on the remote control.
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Use the Up and Down or Channel buttton to toggle through thre menu selections until V-chip appears.
Stop on V-chip and press the right arrow button to display a padlock icon.
Enter the four-digit code by pressing the numbers on the keypad. If a code has not been entered, the default code is 0000 (four zeros).
Press the right-arrow key to unlock the channels.
Unplug the JVC television for at least 15 minutes to reset the code to 0000 if a previously set code has been lost or forgotten.