She eyed the lighted buttons on the panel by the elevator door.

Rows of lighted buttons blinked on and off on her console.

A panel of lighted buttons to the right of the closed doors told him he was going up.

There are also square screens, banks of lighted buttons, phones and headsets - all the paraphernalia of a highly technical environment.

The intercom panel beside the vault-like door is promisingly rich in lighted buttons but none of them are labeled or even numbered.