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1.6.4 Entertainment Input
The audio selector panel has provisions for two separate entertainment input
devices. The CD-15 remote CD player is usually installed as Music 1, and feeds
the pilot and copilot positions. They operate independently in the SL15-CD. The
music volume control affects the CD-15 music level only in the pilot and copilot
positions.
While in the ISO (Isolate) mode, the copilot will hear Entertainment 1 while the
four passengers will hear Entertainment #2. The pilot will hear entertainment 1, at a
muted level. In normal operation, whenever a person speaks, or if the aircraft radio
becomes active, the music will automatically mute and then will gradually return to
the original listening level when the intercom or radio conversation ceases.
When in the A
LL mode, pilot and copilot will hear Entertainment 1 input while all
passengers will hear the Entertainment 2 source. While in the C
REW mode, pilot
and copilot will hear entertainment input #1 while the passengers may listen to
entertainment input #2.
Table 1:
Mode Pilot Hears Copilot Hears Passenger
Hears
Telephone Comments
Isolate A/C Radios
Pilot Sidetone
(during radio
transmission)
Entertainment
1 is Muted
Copilot and
passenger
intercom
Entertainment
#1
Passenger and
Copilot inter-
com
Entertainment
#2
“Phone Booth”
mode
Pilot has exclusive
use of the tele-
phone.
In TEL, Pilot
connected to Com
1 for PTT TX and
receive.
This allows the
pilot to
communicate
without the others
bothered by the
radios. Copilot
and passengers
can communicate
and listen to
music
All Pilot
Copilot
A/C Radio
Passengers
Entertainment
#1
Copilot
Pilot
A/C Radio
Passengers
Entertainment
#1
Passengers
Pilot
Copilot
A/C Radio
Entertainment
#2
All have access to
phone through
Hook Switch. Pilot
access through
TEL switch.
All hear telephone
audio if off hook.
This mode allows
all on board to
hear radio
reception as well
as talk on the
intercom. Music
and intercom is
muted during
intercom and
radio
communications
Crew Pilot
Copilot
A/C Radio
Entertainment
#1
Copilot
Pilot
A/C Radio
Entertainment
#1
Passengers
Entertainment
#2
Pilot and copilot
don’t have phone
access, unless mic
sel in TEL.
Passengers have
phone through
Hook Switch,
Passengers hear
phone audio.
This mode allows
the pilot and
copilot to
concentrate on
flying, while the
passengers can
communicate
amongst
themselves.