Page 14
202-890-0202
PMA8000B Pilot Guide Rev. 7
to have their music source come on only when they are not hearing
the crew.
Press again, and you will hear “
Standard Music Distribution
.” In this
mode, the music inputs are independent. Music 2 becomes active, and
will always be presented only to the passengers on the intercom. Mu-
sic 1 is only available to the pilot and copilot. The intercom mode
switch doesn’t have any affect on the music distribution.
When the music is independent, Music 1 will always go to the pilot
and copilot positions, and is never heard by the passengers. Music 2 is
always heard by the passengers, and never by the pilot and copilot.
This mode is useful if your passengers have a different interest in en-
tertainment or are watching a DVD, but do not want to be excluded
from the intercom conversations.
Music Muting
There are two SoftMute™ muting circuits.
The front panel "Mute" button will always
control the Mute function for music 1. It will
also control the muting of the front panel util-
ity jack, when Music 1 is NOT active.
The SoftMute™ circuit will cut the music almost completely out
whenever there is conversation on the radio or intercom. When that
conversation stops, the music returns to the previous level comforta-
bly, over a second or so.
The pilot and copilot have one muting circuit, which is controlled by
the front panel button labeled “Mute.” When this button is pressed,
the PMA8000B goes into the Karaoke Mode, and the music will not
Passengers
Pilot & Copilot
Music Distribution Independent
All Mode
Music 2
Music 1
Passengers
Copilot
Music Distribution Independent
ISO Mode
Music 2
Music 1
Pilot
ICS
ICS
Passengers
Pilot & Copilot
Music Distribution Independent
Crew Mode
Music 2
Music 1
Music Distribution Independent of Intercom Mode
