RCA RLED2431A-B User Manual page 25

LOCK
Press the "MENU" button to enter the OSD menu .Then press " / " button
to select the "Lock" menu.
1. Press " " button to select "Enter Password" and press select digital button to enter.
Note: The default password is "0000"
2. "ENTER/ "
Press / button to select "Change Password", then press button to adjust
the value.
If the password is changed, all of the passwords in the menu will be changed at the same time.
Note : If you forget your
password, you can use "1470"
to enter any menu locked.
3. Press " / " button
to select "System Lock"
and press the " / "
button to select "On" or
"Off".
Press / button to
4.
select "Input Lock", then press
"ENTER/ "
button to enter sub-menu.
Press " / " button to select "TV" and press the " / " button to select "Block"
a.
or "Unblock".
Press " / " button to select "AV" and press the " / " button to select "Block"
b.
or "Unblock".