actuates

the button actuates the mechanism.

this sensor actuates an alarm when motion is detected.

the system automatically actuates the sprinkler in case of drought.

a lever actuates the gears to change direction.

the electric motor actuates the valve to control the flow of water.

the pressure switch actuates the pump when needed.

a foot pedal actuates the machine to start operation.

the software actuates a series of commands to complete the task.

the pilot actuates the controls to land the aircraft.

the trigger actuates the release mechanism of the firearm.