SECTION
9
-
SUPPLEMENTS
SUPPLEMENT
20
-
FAA
APPROVED
CESSNA
MODEL
172R
10.
INTERCOM MODE
SELECT (ISO-ALL-CREW)
-
A three-position mode
switch
that allows the pilot
to
tailor the intercom
function
to
best meet
the
current
cockpit situation.
ISO
-
(Up Position
)
The
pilot
is
isolated from the intercom and is
connected only
to
the
aircraft
radio system.
The
pilot will hear
the
aircraft
radio
reception
(and
sidetone
during radio
transmissions).
The
copilot
will
hear
passenger’s
intercom and
Entertainment,
while
passengers
will hear copilot
intercom
and
Entertainment. Neither
will
hear aircraft radio
receptions
or pilot
transmissions.
ALL
-
(Middle Position)
All
parties will hear
the aircraft radio and
intercom.
Crew
will hear Entertainment,
passengers
will hear
Entertainment
During
any
radio
or intercom
communications, the
music volume automatically decreases.
The
music volume increases
gradually back
to
the
original
level after
communications have been
completed.
CREW
-
(Down Position)
Pilot and copilot
are
connected
on
one
intercom
channel and
have exclusive
access
to
the
aircraft radios.
They
may
also
listen
to
Entertainment.
Passengers can continue to
communicate among
themselves
without
interrupting the
crew
and also
may listen
to
Entertainment.
Anytime
the
KMA
28
is
in
either the
COM
1/2
or COM 2/1 split
modes, the pilot
and copilot intercom is controlled
with
the
ICS
button.
The
passengers
will
maintain
intercommunications, but never
hear
aircraft
radios.
MODE
PILOT HEARS
COPILOT HEARS
PASSENGER
HEARS
COMMENTS
Isolate
A/C
Radios
Pilot
Sidetone (during
ratfio
transmission)
Entertainment
is
Muted
Copilot and
pas¬
senger intercom
Entertainment
Passenger and
Co¬
pilot
intercom
Entertainment
litis mode allows the pilot
to
communicate without
the
others bothered by the
con¬
versations. Copilot
and
pas¬
sengers
can
continue
to
communicate and listen to
music.
AD
Pilot
Copilot
A/C
Radio
Passengers
Entertainment
Copilot
Pflot
A/C
Radio
Passengers
Entertainment
Passengers
Pitot
Copilot
A/C
Radio
Entertainment
litis mode
allows
all
to
hear
ratio
reception as
wen
as
communicate
on
the inter¬
com. Music
and intercom is
muted
during Intercom and
radio
communications.
Crew
Pilot
Copilot
A/C
Radio
Entertainment
Copilot
Pflot
A/C Radio
Entertainment
Passengers
Entertainment
This mode allows the pilot
and copilot
to concentrate
on
flying while the passen¬
gers
can
communicate
amongst
themselves.
Figure 1
. Bendix/King KMA
28
Audio
Selector
Panel (Sheet
4 of
5)
S20-8
Dec
30/00
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