He waited until the light flashed green before opening it.

The light flashed green and he charged the door with his elbow.

After a while they would flash green, and then it was all right to go.

Seconds later, the indicators on which he was waiting finally flashed green.

The trouble board flashed green as each station reported successful transition.

A light flashed green below the bar, and then turned red.

When it flashed green, the trio started across the street.

The light flashed green and the word changed to proceed.

This time, as he moved the single control back, indicators flashed green.

At once the status indicators began to flash green as they took power from his suit.