A button inside the bathroom activates the magnet, sealing the door and leaving no clue as to how to release it.

On professional monitors, a separate button on the front of the display can activate the blue only mode.

The square button activates control switches to gain power.

Then he turned to punch the buttons to activate various wiretap systems in the Georgian town house.

Another button will activate variations on these attacks.

The original keypads had levers inside, so each button activated two contacts.

A second button inside the cab, on the pillar beside the door, can also activate the door.

On the left hand side of the suit, a large red button activates the suit's flight system.

He touched the button that unlocked his door, then with the same long slim finger activated his phone.

These buttons can activate the music player on the phone during almost all other activities, such as sending text messages and changing settings.