Textron Cessna 172R - Page 357

CESSNA
MODEL
172R
SECTION
9
-
SUPPLEMENTS
SUPPLEMENT
1
-
FAA
APPROVED
6.
Mic Button:
/fp*s
a.
To transmit
-
Press button
and
speak
in
microphone.
\
NOTE
During
COMM
transmission,
a
lighted
"T"
will
appear
between
the
"COMM"
and
"STBY"
displays
to
indicate
that
the
transceiver is
operating
in
the
transmit
mode.
I
b.
To
Receive
-
RELEASE
mike
button.
NAVIGATION
RECEIVER
OPERATION:
1
.
NAV
Frequency
Selector
Knobs
~
SELECT
desired
operating
frequency
in
"STBY"
display.
2.
NAV
TRANSFER
BUTTON
-
PRESS
to
transfer
desired
frequency
from
the
"STBY"
display
into
the
"NAV"
display.
3.
Speaker
Selector
(on
audio
control
panel)
-
SET
to
desired
mode..
4.
NAV
Volume
Control
-
a.
ADJUST
to
desired
audio level.
b.
PULL
out
to
identify
station.
VOR OPERATION:
Channel
the
NAV
Receiver
to
the
desired
VOR
and
monitor the
audio
to
positively
identify
the station. To
select
an
OBS
course,
turn
the
OBS
knob
to
set
the desired
course
under
the
lubber
line.
When
a
signal
is
received,
the
NAV
flag
will
pull
out
of
view and
show
a
"TO"
or
"FROM"
flag
as
appropriate
for
the
selected
course.
LOC OPERATION
Localizer
circuitry
is
energized
when the
NAV
Receiver
is
channeled
to
an
ILS
frequency.
Monitor
the
LOC
audio
and
positively
identify
the
station.
The
NAV
flag
will
be
out
of
view when
the
signal
is
of
sufficient
strength
to
be usable.
Feb
28/00
S1-13
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