CESSNA
MODEL 172R
SECTION
9
-
SUPPLEMENTS
SUPPLEMENT
20
-
FAA APPROVED
SUPPLEMENT
BENDIX/KING KMA
28
AUDIO SELECTOR
PANEL
SECTION
1
GENERAL
The Bendix/King
KMA
28
Audio
Selector
Panel is
a
combination
audio selector panel, cabin intercom, audio
amplifier
and
marker
beacon receiver.
The
audio amplifier powers the cockpit overhead
speaker
when
selected.
Receiver audio is
selected using ten back-lit pushbutton
switches.
Selected
receivers
can
be
identified
by
the
illuminated
green
LED
on
the
appropriate switch pushbutton.
The
rotary
microphone
selector
switch
automatically supplies the audio for the
transceiver selected; The Com
1
and Com
2
switches permit the
user
to
monitor
or
"guard" the audio from the other transceiver.
All
operating controls are shown and described
in
Figure
1.
An unamplified and unswitched
stereo
audio input is provided
for
an
entertainment audio
source
{Walkman
or
similar Portable
Electronic Device (PED)). The Entertainment audio input is located
on
the lower
half of
the cockpit
center
pedestal; the
3.5
mm
stereo
jack
is
labeled "AUX
AUDIO
IN".
The KMA
28
includes the Soft
Mute
feature
that lowers the audio level of the entertainment signal
whenever radio or intercom audio is
present.
Refer
to 14
CFR Part
91.21 and Advisory
Circular
No. 91.21-1()
“Use
of
Portable
Electronic
Devices Aboard Aircraft0 for further information and
requirements
regarding the
use
of
portable
electronic devices in
aircraft.
The cabin intercom uses the Intellivox™ automatic squelch
circuit
to
minimize non-voice
signals.
The intercom audio
level is set
using
the
front-mounted
intercom volume control;
audio
levels for
the
receivers and entertainment are controlled
at
the
source.
Dec
30/00
S20-3
All manuals and user guides at all-guides.com
Summary of Contents for Cessna 172R
Page 4: ... I All manuals and user guides at all guides com ...
Page 16: ...All manuals and user guides at all guides com a l l g u i d e s c o m ...
Page 18: ...All manuals and user guides at all guides com ...
Page 20: ... All manuals and user guides at all guides com ...
Page 21: ...cr All manuals and user guides at all guides com a l l g u i d e s c o m ...
Page 22: ...All manuals and user guides at all guides com ...
Page 50: ...All manuals and user guides at all guides com ...
Page 51: ...All manuals and user guides at all guides com a l l g u i d e s c o m ...
Page 52: ...All manuals and user guides at all guides com ...
Page 54: ...All manuals and user guides at all guides com ...
Page 68: ...All manuals and user guides at all guides com ...
Page 69: ...r r r r r r r All manuals and user guides at all guides com ...
Page 70: ...All manuals and user guides at all guides com ...
Page 96: ...All manuals and user guides at all guides com a l l g u i d e s c o m ...
Page 97: ...f All manuals and user guides at all guides com ...
Page 98: ...All manuals and user guides at all guides com ...
Page 102: ...All manuals and user guides at all guides com ...
Page 112: ...All manuals and user guides at all guides com ...
Page 114: ...All manuals and user guides at all guides com ...
Page 118: ...All manuals and user guides at all guides com ...
Page 120: ...All manuals and user guides at all guides com ...
Page 132: ...All manuals and user guides at all guides com ...
Page 134: ...All manuals and user guides at all guides com ...
Page 149: ...rcnruntnHHbc in v All manuals and user guides at all guides com ...
Page 150: ... PERFORMANCE U1 All manuals and user guides at all guides com ...
Page 152: ...All manuals and user guides at all guides com ...
Page 172: ...All manuals and user guides at all guides com ...
Page 174: ...All manuals and user guides at all guides com ...
Page 175: ...All manuals and user guides at all guides com ...
Page 176: ...All manuals and user guides at all guides com a l l g u i d e s c o m ...
Page 178: ...All manuals and user guides at all guides com ...
Page 184: ...All manuals and user guides at all guides com ...
Page 186: ...y All manuals and user guides at all guides com a l l g u i d e s c o m ...
Page 188: ... All manuals and user guides at all guides com ...
Page 192: ... I 1 All manuals and user guides at all guides com ...
Page 194: ...All manuals and user guides at all guides com ...
Page 196: ...tv All manuals and user guides at all guides com a l l g u i d e s c o m ...
Page 215: ...All manuals and user guides at all guides com ...
Page 216: ...All manuals and user guides at all guides com a l l g u i d e s c o m ...
Page 220: ...All manuals and user guides at all guides com ...
Page 244: ...All manuals and user guides at all guides com ...
Page 271: ...All manuals and user guides at all guides com a l l g u i d e s c o m ...
Page 272: ...All manuals and user guides at all guides com ...
Page 297: ...All manuals and user guides at all guides com ...
Page 298: ...All manuals and user guides at all guides com ...
Page 300: ...All manuals and user guides at all guides com ...
Page 302: ...All manuals and user guides at all guides com ...
Page 304: ...All manuals and user guides at all guides com ...
Page 306: ...All manuals and user guides at all guides com a l l g u i d e s c o m ...
Page 308: ...All manuals and user guides at all guides com ...
Page 310: ...All manuals and user guides at all guides com ...
Page 312: ...All manuals and user guides at all guides com ...
Page 314: ...All manuals and user guides at all guides com ...
Page 316: ...All manuals and user guides at all guides com a l l g u i d e s c o m ...
Page 318: ...V J All manuals and user guides at all guides com ...
Page 320: ...All manuals and user guides at all guides com ...
Page 322: ...All manuals and user guides at all guides com ...
Page 324: ...All manuals and user guides at all guides com ...
Page 326: ...All manuals and user guides at all guides com a l l g u i d e s c o m ...
Page 328: ...All manuals and user guides at all guides com ...
Page 330: ...All manuals and user guides at all guides com ...
Page 332: ...All manuals and user guides at all guides com ...
Page 334: ...All manuals and user guides at all guides com ...
Page 336: ...All manuals and user guides at all guides com a l l g u i d e s c o m ...
Page 338: ... All manuals and user guides at all guides com ...
Page 342: ...All manuals and user guides at all guides com ...
Page 344: ...All manuals and user guides at all guides com ...
Page 360: ...All manuals and user guides at all guides com ...
Page 370: ...All manuals and user guides at all guides com ...
Page 380: ...r All manuals and user guides at all guides com ...
Page 396: ...All manuals and user guides at all guides com a l l g u i d e s c o m ...
Page 430: ...All manuals and user guides at all guides com ...
Page 500: ... i i I y r All manuals and user guides at all guides com ...