The Sense Indicators permitted interaction with the operator via panel switches and lights.

The Nova used 16 front panel switches and an enter pushbutton to manually load the first 22 addresses into a core memory.

In the largest U.S. cities, it took many years to convert every office to automatic equipment, such as panel switches.

David snapped the panel switch and lifted the microphone out of its cradle.

As in the panel switch, the Sender then found the chosen junctor and supplied dial tone.

Like the panel switch, the 1XB common control was based on a complex, versatile Sender circuit.

Unlike the panel switch, it was rare to combine more than two this way.

The instructions were given through the front panel switches of these computers, directly to the CPU.

The first-generation programming instructions were entered through the front panel switches of the computer system.

He walked to that wall and brushed a finger along it, looking for another panel switch.