Samsung 400UXN - Manual (Page 53)

MDC
Moves to the Multi Control OSD screen.
LOCK
This is the function that locks the OSD in order to keep the current states of settings or prevent others
from adjusting the current settings.
Note
• When setting the Lock function, you can only operate the power and lock buttons on the remote
control and set.
• Resetting the password for the function key lock. Press MUTE → 1 → 8 → 6 → On. The password
will be reset to '0000'. The remote control is required for resetting the password.
Lock On
Hold down the MENU button for more than five (5) seconds to activate the OSD adjustment lock
function.
Adjusting the LCD Display