When the squadron operations-duty officer (ODO) receives a launch order, he activates an
aural signal. Pilots meet outside the ready room for a ride to the flight line in one of the squadron's Gator all-terrain utility vehicles.
Within a NICU soundscape, healthcare technologies' sounds are often intentional, serving as
aural signals or "acoustic warning devices" that relay "elaborate codes permitting messages of considerable complexity to be transmitted to those who can interpret them" (Schafer, 1977/1993, p.
'The purpose is to see to it that what is shown and heard on the old radar are exactly the same visual and
aural signals that show up on the new CNS/ATM system.
Should the M92D go over the side you can expect it to float faceup and provide visual and
aural signals to aid in retrieval.