Textron Cessna 172R - Page 355

CESSNA
MODEL
172R
SECTION
9
-
SUPPLEMENTS
SUPPLEMENT
1
-
FAA
APPROVED
12.
COMM
FREQUENCY
TRANSFER
BUTTON
(
<—
>
)
-
Interchanges
the
frequencies
in
the
USE
and
STANDBY
displays.
To
tune
the
radio
to
the
desired
operating
frequency,
the
desired
frequency
must
be entered into the
standby
display
and
then
the
transfer
button
must
be
pushed.
This
will
trade
the
contents
of
the active and
standby
displays.
The
operating
frequency
can
also be entered
by
accessing
the
ACTIVE
ENTRY
(direct tune)
mode
which is
done
by
pushing
the
COMM
TRANSFER
button
for
2
or more
seconds.
In
the
direct
tune
mode,
only
the active
part
of
the
display
is
visible.
The
desired
frequency
can
be
directly
entered into
the
display.
Push
the
COMM
TRANSFER
button
again
to
return
to
the
active/standby
display.
The
transceiver
is
always
tuned
to
the
frequency
appearing
in
the
ACTIVE
display.
It
is,
therefore,
possible
to
have
two
different
frequencies
stored
in
the
ACTIVE
and
STANDBY
displays
and
to
change
back
and
forth
between them
at
the
simple
push
of
the
transfer
button.
13.
COMM
VOLUME
CONTROL
(OFF/PULL/TEST)
-
Rotate
the
VOL
knob clockwise
from
the
OFF
position.
Pull
the
VOL
knob
out
and
adjust
for
desired
listening
level. Push the
VOL
knob
back
in
to
actuate
the
automatic
squelch.
The
VOL
knob
may
also
be
pulled
out
to
hear
particularly
weak
signals.
14-VOR/Localizer
Needle
or
CDI
needle.
1
5.
Glideslope
Flag
1
6.
TO-FROM-NAV FLAG
17.
Azimuth
Card
18.0BS
Knob
19.
Glideslope
Needle
Figure
1.
Bendix/King
KX
155A
VHF
NAV/COMM
with
Kl
208
or
Kl
209A
Indicator
Head
(Sheet
7
of
7)
Dec
2/96
S1-11
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