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CESSNA
MODEL
182S
MARKER
SECTION
9 -
SUPPLEMENTS
SUPPLEMENT
3.
FAA
APPBOVED
SUPPLEMENT
BENDIVKING KMA 26 AUDIO SELECTOR PANEL
SECTION
1
GENERAL
The
Bendix/King
KMA 26 Audio Selector Panel is a
combination
audio amplifier, an audio distribution panel intercom, and
a
marker
beacon
receiver. The
audio amplifier
is for
amplification
of
the
audio
signals
for the speaker
system. All
receiver
audio
distríbution
functions
are
controlled
by two
rows
of
pushbuttons.
A
rotary
selector swilch
on the right side
of
the
console connects
the
microphone
to
either EMG, Com 1, Com
2,
Com
3 or
PA
(Unused
position). All
operating
controls are shown and described in
Figure
1.
A
crystal-controlled superheterodyne marker beacon
receiver
with 3-light
presentation
is
incorporated within
the
unit.
Dimming
circuitry
for the
marker lamps automatically adjusts
brightness
appropriate
to the
cockpit ambient light
level.
Hi and Lo
sensitivity
and lamp
test
functions are also provided.
Light
dimming
for the audío control panel is manually
controlled
by
the
RADIO light rheostat
knob,
MARKER FACILITIES
IDENTIFYING TONE
LIGHT*
lnner,
Continuous 6 dots/sec (3000
Hz)
White
Airway
&
Fan
Middle
Alternate dots and dashes (1300
Hz)
Amber
Outer
2
dashes/sec
(4OO
Hz)
Blue
*When
the
identifying
tone
is
keyed,
the
respective indicating light will
blink
accordingly.
Feb 3/97
s3-3
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