He slapped the communicator button at the detector station.
He thumbed down the communicator button and spoke into a microphone.
In due time he thumbed the communicator button.
After a moment he sat up and jabbed his finger against the communicator button on his desk.
Kirk released the communicator button and swung around.
I jabbed at a communicator button to the aft area.
He pressed the general communicator button, and his voice came over the loudspeakers all over the ship.
Have the rest of the exploration team suit up and stand ready," He touched the communicator button on the chair arm.
Abruptly, he hit the communicator button on the chair arm.
Jim reached out for the communicator button again, punched it.