Cessna 1980 182Q Pilot's Operating Handbook And Flight Manual page 332

27
CESSNA 400 NAV/COM
(TYPE RT-485A)
PILOT'S OPERATING HANDBOOK
SUPPLEMENT
5. VOL Control -- ADJUST to desired audio level.
6. SQ Control -- ROTATE counterclockwise to just eliminate back-
ground noise.
7. Mike Button:
a. To Transmit -- DEPRESS and SPEAK into microphone.
NOTE
Sidetone may be selected by placing the AUTO selector
switch (on audio control panel) in either the SPEAKER or
PHONE position,or may be eliminated by placing the
AUTO selector switch in the OFF position. Adjustment of
sidetone on audio control panels supplied with three
transmitters cannot be accomplished externally. How-
ever, audio control panels supplied with one or two trans-
mitters have sidetone adjustment pots that are accessible
through the front of the audio control panel with a small
screwdriver.
b. XMIT Annunciator Light -- CHECK ON (green light illumi-
nated).
c. To Receive -- RELEASE mike button.
NAVIGATION OPERATION:
NOTE
The pilot should be aware that on many Cessna airplanes
equipped with the windshielf mounted glide slope
antenna, pilots should avoid use of 2700 ±100RPM on
airplanes equipped with a two-bladed propeller or 1800
±100 RPM on airplanes equipped with a three-bladed
propeller during ILS approaches to avoid oscillations of
the glide slope deviation pointer caused by propeller
interference.
1.
CaM OFF /VOL Control -- TURN ON; adjust to desired audio level.
2. SPEAKER/PHONE Selector Switches (on audio control panel) --
SET to desired mode.
3. ~A V Frequency Selection -- SELECT desired operating frequency
by either pressing aNA V MEMORY 1,2 or 3 pushbutton to recall a
preset frequency, or by using NAV frequency selectors.
4. NA V VOL Control -- ADJUST to desired audio level.
5. ID-VOX-T Switch:
a. To Identify Station -- SET to ID to hear navigation station
identifier signal.
b. To Filter Out Station Identifier Signal-- SET to VOX to include
filter in audio circuit.
8 1 October 1979