LOCK
Choose the option of Lock System with the up and down keys .Then open the lock function with left
and right keys. Please remember that initial password is 0000.If you want to adjust password, you
firstly should select option of set password and then input old password, new password. When new
password you input again is correct and make sure above operation, this mean that you successfully
reset password. When you want to shield some programs you don’t like, please select the option of
block program and input the channel number.