As a homeowner, you should reset the opener to prevent outsiders from opening the door with a remote that's set to a Liftmaster default code. A simple procedure allows you to reset the opener for one or more remotes.
doorsill - the sill of a door; a horizontal piece of wood or stone that forms the bottom of a doorway and offers support when passing through a doorway. doorstep, threshold. 1  doorway, room access, door, threshold - the entrance (the space in a wall) through which you enter or leave a room or building; the space that a door can close; he stuck his head in the doorway.
Locks with this function have a keyed cylinder facing the outside of the home and a thumbturn on the interior. When the door is locked, it can only be opened with a key from the outside. When the knob is turned from inside the home, and the thumbturn is unlocked, the door will open freely.Keyed entry locks are often used in conjunction with an auxilary deadbolt for added security.A single cylinder deadbolt has a thumbturn on the inside and requires a key from outside.hat you need: 1  The most common lock function for exterior doors is a keyed entry function. 2  Keyed entry locks are often used in conjunction with an auxilary deadbolt for added security. 3  Many homeowners choose handlesets for their entry doors rather than knobs or levers. 4  A mortise or interconnected lock with a dwelling entry function is another ...