will reset the key number back to the factory preset 000.
Use the channel 
, 
buttons while still in CHILD LOCK to set or cancel the lock on additional channels.
•VOLUME CORRECTION
Use this function to reduce the volume level of up to four TV channels that sound loud compared to other TV channels. Press MENU, 1, ENTER, 8, ENTER to display
VOLUME CORRECTION.
Press the CURSOR 
, 
to select volume level. Press ENTER to set the volume level.
Press MENU to exit.
Use the channel 
, 
buttons while still in VOLUME CORRECTION to set additional channels.