He shoved impatiently past the Neo Edo's front desk, grabbed an elevator, pressed the unmarked button, and rose swiftly upward into Kit's private domain.
Overlay keyboards generally consist of a flat grid of unmarked buttons.
I pushed the highest of the three, unmarked buttons.
Instead, she pushed an unmarked button above the seventh, "top-floor" button.
In the breast pocket of his green scrub shirt was a remote with two red, unmarked buttons on one side.
There was a slot for a key-card on the inside wall of the Executive Elevator, and three unmarked buttons below it.
She pressed the unmarked button in the upper right-hand comer of the keyboard.
He pushed the third down in the row of unmarked buttons.
Inside the compartment was a red-colored telephone handset with communications cords and several unmarked buttons.
There were six unmarked buttons on the panel: Asher pushed the third from the top and the elevator began to descend.