Menu OperationsLock Menu Options1. Press MENU button and until the following menu appears on the screen.2. Press OK button to display the following menu .Press the number buttons (0~9) to enter the password.3.Press button to go up and down to select the desired option .4.Press button to increase and decrease the level to match your preference .5.Repeat step 3 and step 4 until desired quality has been achieved .(The initial password is0000. If you forget your password, you can enter at any time to access thelock menu), the lock menu opens.9443///EXIT MENU OKLOCKChange PasswordMenu Lock OffProgram Set OffProgram No . 1Source LockChild Lock OffEXIT MENU OKLOCKChange PasswordMenu Lock OffProgram Set OffProgram No . 1Source LockChild Lock OffPlease enter passwordFunctions:1. Change Password: The password can be changed. Press OK to enter the menuas follows. Enter the password , if the same password is entered correctly twice,the old password will be changed.