Learjet 60 - Stereo System

Learjet
60

Pilot's Manual
STEREOSYSTEM
A stereo system provides an
audio signal from locally broadcast AM
and FM radio frequencies, ADF, VHF
1 or 2, VCP/VCR or cassette/
compact disk (CD) player to speakers
on both sides of the cabin and to
individual switch panel headphone jacks . The
system consists of an an-
tenna,
stereo, stereo battery, voltage regulator, audio distribution
mod-
ule, audio digital
selectors, a remote control unit, one cabin control
switch panel, and passenger
switch panels located in the cabin arm-
rests . The cabin control switch panel,
located on one passenger cabin
armrest (figure
7-12), incorporates lighting, cabin speaker, audio
select,
video select (if
installed) and remote cabin temperature controls . The
passenger switch panels (figure
7-13), located in the cabin armrests ad-
jacent to the remaining passenger seats, incorporate
lighting, head-
phone
volume control, audio select controls, and a headphone
jack
.
On aircraft 60-001 thru 60-103,
the cabin control switch panel controls
the audio output of the cabin speakers
.
The
ON/OFF button controls
the
cabin speakers . The VOLUME buttons control volume
to the cabin
speakers as indicated
by the LED display . Pressing the SELECT button
selects the desired audio
source (e .g ., cassette, CD, etc .) . The audio
source is represented by a channel number (LED
display) on the cabin
control switch panel . In addition to the cabin control
switch panel, each
passenger location has a passenger control panel that may be
used to
select individual
audio source and volume settings for use with head-
phones .
On aircraft 60-104 and Subsequent, the
cabin control switch panel
controls the audio output of the cabin speakers . The
on/ off function of
the cabin
speakers is controlled with the MUTE button . The
MENU
button is used
to access the AUDIO, VOLUME and EQUALIZER
functions . The AUDIO menu is used
to select the desired audio source
(e .g ., CASS, CD, etc .) . Once "AUDIO" is showing in
the display
window,
the
A
and V buttons are used to scroll to the desired
audio
source . The VOLUME and
EQUALIZER functions operate in the same
manner to select the desired settings . In
addition to the cabin control
switch panel, each passenger location has a passenger
control panel
that may be
used to select individual audio source, volume, bass and
treble settings for use with
headphones .
Keying the passenger address or passenger briefing
system will
automatically
override any cabin stereo channel, including
overhead
speakers that have
been turned off by the cabin control switch panel .
Passenger address and passenger
briefings are transmitted over cabin
speakers and headphone jacks .
PM-123
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7-27
Change 4