Epson LS57P1 - Manual (Page 44)

44 Setting Up and Controlling Channels
Then you see the Lock menu.
5 Press Select d to highlight Password Change, then press Enter. You see this
screen:
6 Use the number buttons on the remote control to enter a four-digit password.
7 Enter the same password again to confirm it. You return to the Lock menu.
8 To block programs using V-Chip, see page 45.
To block certain TV channels and/or input sources, such as a game console, see page 49.
To exit the menu system, press Menu.
Password
change