Learjet 60 - Cabin Briefing System; Cabin Briefing System Control Panel; Heads-Up Technology Cabin Briefing System

' Pilot's Manual
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Learjet60
CABIN BRIEFING SYSTEM
Either the standard briefing system (Heads-Up Technology Cabin
Briefing Systern), or one of the optional systems (CD-2000 Cabin Brief-
ing
System, Airshow 400 Cabin Video Information System or UniVision
System) is installed . Each
cabin briefing system
is designed
to
give
passengers a recorded briefing for various phases of flight .
HEADS-UP TECHNOLOGY
CABIN BRIEFING SYSTEM
The I - leads-Up Technology cabin briefing system consists of a comput-
er, a control panel, and associated aircraft wiring . Power for the system
is 28
VDC
supplied through the 2-amp PASS
INFO circuit
breaker' on'
the copilot's circuit breaker panel .
Cabin Briefing System Control Panel
The cabin briefing
system
control panel located in the pedestal
is used'
to initiate recorded passenger briefings and determine the status of the
system . The control panel consists of the message selector knob, the
SEND/CANCEL button and a status light .
When
the system is
powered up, the computer performs a self-test . During the
self-test,
the
green status light will illuminate steady until the test
is
complete . If the
status light illuminates and then begins to flash, the self-test has not
been successful . The message selector knob has five message positions .
"Takeoff",

Landing" , , "Turbulence",  Option"
and
"Autobrief" . The
"Autobrief' function requires optional equipment and will
be inopera-
tive
in some airplanes . Once the desired message
luas been selected by
rotating the message selector knob, depressing
the
SEND/CANCEL
button will initiate the briefing . The status light will illuminate steady
during the briefing and extinguish when the message is complete' . To
repeat a
message other
than "Turbulence", the message selector knob
must be rotated to another position, returned
to
the desired
message
and the SEND/CANCEL button depressed . The "Turbulence" message
can be repeated simply by depressing the SEND/CANCEL button . To
interrupt the briefing, depress the SEND/CANCEL button while
the
message is in progress . Depressing the SEND/CANCEL button again
will restart the message at the beginning of the sentence that was inter-
rupted
. Actuation
of the NO
SMOKING/FASTEN
SEAT BELT (tone
generator
chime) switch or the use of the
pilot
or copilot PA
.
micro'-
phone will override the cabin briefer . After a slight delay following the
interruption, the briefing will continue frorrl the beginning of the
sentence at which it was interrupted .
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PM-123
Change 4