Acer AT3704 LCD TV
Rare LCD TV overcome your property if your password is no longer remembered when the LCD TV is locked.
The password default is 0000 and can be changed to your liking, if your password has been created you can not remember and very difficult to access the TV system, please you use the master password to restore the system state to the starting position
Master Paswor is 6163, if you have to enter the correct password the system will return to the factory settings.
Acer AT3704 LCD TV back to factory setting, careful to make other password.
Photo credit : hometheater.answers.com