"malabo" wrote in message ups.com...
: Got a Vertex 220 and had to modify the headset adapter to a single
: helicopter plug. Attached is a drawing that you can probably use for
: any conversion of a airplane headset to helicopter. Colors used by
: Vertex in the wiring indicated.
:
: Surely after 100 years of aviation you fixed-wing guys can change over
: to a single plug! Hello? Anybody still listen to that headliner
: speaker?
:
: atluck
:
:
:

http://i119.photobucket.com/albums/o...terHeadset.jpg