A “Boarding completed” sound that will be played when all doors are closed. Before the sound starts, the blue CALL light will illuminate. With a push on the attend button on the overhead the light will go off.
When you push the Test button from the Cockpit Voice Recoder you will hear a wav file with some spoken cockpit phrases
a push on the test button from the Cockpit Voice Recorder triggers another sound file.
the erase button will play an erase successful message over the speakers in the cockpit