Sharp AQUOS LC-37D43U Operation Manual page 54

CLEARING THE SECRET NUMBER
If you forget the secret number, clear the secret number using the following procedure.
:!
Press MENU to display the MENU screen, and then press _11/1_ to select "Setup".
Press A/Y to select "EZ Setup", "CH Setup", "Parental CTRL" or "Reset", and the Secret number
input screen displays.
I secret No. _]
Press and hold both CNA and VOL+ on the TV simultaneously until the message appears on the
screen.
The secret number is _ .
,, As a precautionary measure, make a note of your secret number above, cut it from this manual, and keep it in a safe place.
Q- 53