He reached into his pocket, pulled out a tiny playback unit, and turned it on.

The overhead lights, coupled to the playback unit, dimmed.

All 8-millimeter formats use the camera as a playback unit connected by cable to the television set.

He touched a button, and a panel slid open to expose a playback unit.

Gornon's voice finished, and the playback unit halted with an audible click.

The range of equipment being offered extends well beyond electronic cameras and playback units.

The system, which included playback units, stored records of lyrics and melodies.

You'll need a playback unit to remember how to pee.

It had been recorded in his memory banks when he'd heard it on the playback unit.

That turned into a warbling whine as the messenger dialed the playback unit to higher speed.