Cessna 172R, Руководство по эксплуатации

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SECTION 9
-
SUPPLEMENTS
SUPPLEMENT
1
- FAA APPROVED
CESSNA
MODEL 172R
The Comm portion incorporates an automatic squelch.
To
override the automatic squelch, the Comm
volume control
knob is
pulled
out.
Push the knob back in
to
reactivate the automatic
squelch. A "T" will be displayed during transmit and "R"
during
valid signal reception.
The Nav portion
uses the pull
out
feature
of
the Nav volume
control
to
receive
the Nav signal Ident. Pull the volume control
knob out to
hear the Ident signal plus voice.
Push the knob in
to
attenuate the
ident signal and still hear Nav voice.
All controls for the Nav/Comm, except those
for navigation
course
selection,
are mounted on the
front panel of the receiver-
transmitter.
Control
lighting is provided by NAV/COMM interior
lighting and the instrument panel
flood
lighting
system. Operation
and description of the audio selector panel used
in conjunction with
this radio is shown and described in Supplement 3 in this section.
NOTE
The unit has a stuck microphone alert
feature. If the
microphone is keyed continuously
for greater than
33 seconds, the transmitter
stops transmitting
and
the active Comm frequency flashes
to
alert the pilot
of the stuck mic condition.
. S1-4
Dec 2/96