Cessna R182 - Audio Control Panel; Avionics Support Equipment; Stall Warning System

CESSNA
MODEL
R,182
SECTION
7
AIRPLANE
&
SYSTEMS DESCN,IPTIONS
STALL
WARNING SYSTEM
The
airplane
is equipped
with
a vane-type
stall warning
unit,
in
the
7
leading edge
of the left wing, which is
electrically
connected to a stall
(
warning
horn under
the
map compartment. A
5-amp circuit
breaker
''
protects
the stdll
wa,ming
system. The vane in
the wing
senses the change
in airflow
over
the
wing,
and operates
the
warning
horn
at airspeeds
between
5
and
10 knots above the
stall
in
all configurations.
If
the airplane
has a heated
stall
warning
system, the vane
and
sensor
unit
in the wins
leading
edge is equipped with
a heating
element. The
heat'tid
part
of
the system is operated
by the PITOT HEAT
switch, and is
protected
by
the PITOT HEAT
circuit breaker.
The stall
warning system
should be checked
during the
pre-flight
inspection
by
momentarily
turning on the master
switch and
actuating the
va,ne
in
the
wing.
The
system
is
operational if
the warning
horn
sounds
as
the vane
is
pushed
upward.
AVIONICS
SUPPORT
EOUIPMENT
,.,.
/'
The
airplane may, at the owner's discretion,
be
equipped with various
\
types
of avionios'l support equipment
such as an
audio
control
panel,
'
microphone-headset,
and
static
dischargers.
The following
paragraphs
discuss
these
items.
AUDIO
CONTROL
PANEL
Operation
of
radio
equipment
is
covered in
Section 9
of
this
handbook.
When
one or
more
radios
is
installed,
a
transmitter/audio
switching
system
is
provided
(see
figure 7-11).
The operation
of this
switching
system
is
described
in the
following
paragraphs.
TRANSMITTER
SELECTOR SWITCH
A
rotary
grpe
transmitter selector
switch, labeled
XMTR SEL,
is
provided
to connect
the microphone to the
transmitter the
pilot
desires to
use.
To select
a trausmitter, rotate tbe
switch to the number
corresponding
to that
transmitter.
The numbers 1,2
and 3 abbve the
switch correspond to
the
top, second
and
third
transceivers in the avionics
stack.
The
audio amplifier
in the NAV/
COM
radio is
required
for speaker and
transmitter
operation.
The amplifier is automatically
selected,
alongwith
7-41