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CESSNA
MODEL
182S
SECTION
9 -
SUPPLEMENTS
SUPPLEMENT 6
-
FAA APPROVED
SUPPLEMENT
BENDT)UKTNG
KR 87 AUTOMATTC
DTRECTTON
I
FTNDER
(ADF)
SECTION
1
GENERAL
The Bendix/King
Digital
ADF is a
panel-mounted,
digitally
tuned
automatic direction
finder. lt is
designed
to
provide continuous
1-
kHz digital tuning in the frequency range
ot
2OO-kHz
to
1799-kHz
and
eliminates
the
need
for
mechanical
band switching.
The
system
is
comprised
of
a
receiver,
a
built-in electronics timer,
a
bearing indicator,
and a KA-448
combined
loop and sense
antenna.
Operating
controls and displays for the Bendix/King Digital ADF
are
shown
and
described
in
Figure
1.
The audio system used
in
conjunction
with this
radio
for
speaker-phone selection
is shown
and
described
in
Supplement
3 of
this
handbook.
The
Bendix/King Digital ADF can
be
used
for
position
plotting
and
homing procedures,
and for aural
reception
of
amplitude-
modulated (AM) signals.
The
"flip-flop" frequency display allows switching between
pre-
selected 'STANDBY"
and
"ACTIVE" frequencies
by
pressing
the
frequency
transfer button. Both
pre-selected
frequencies are
stored
in
a
non-volatile memory circuit
(no battery power required)
and
displayed
in
large,
easy-to-read, self-dimming
gas
discharge
numerics. The active frequency is
continuously
displayed in the
left
window, while
the
right window
will
display either
the
standby
frequency
or
the
selected readout from the built-in electronic timer.
The built-in electronic timer has two separate and
independent
timing functions.
An
automatic flight timer that starts whenever
the
unit is turned
on.
This timer
functions
up
to 59
hours
and
59
minutes. An elapsed timer which will count up or
down
for up to
59
minutes and
59 seconds. When
a
preset
time
interual
has
been
programmed and the countdown reaches :00, the display will
flash
for
15 seconds.
Since both
the flight timer and
elapsed
timer
operate independently,
it is
possible
to
monitor either one
without
disrupting
the
other.
The
pushbutton controls
and
the
bearing
indicators
are internally
lighted.
lntensity is controlled by
the
RADIO
light
dimrning rheostat.
Nov
15/00
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