Cessna 182S Pilot Operating Handbook page 306

CESSNA
MODEL 182S
SECTION 9 - SUPPLEMENTS
SUPPLEMENT 6 - FAA APPROVED
1. ANT/ADF MODE ANNUNCIATOR -- Antenna (ANT) is
selected by the "out" position of the ADF button. This mode
improves the audio reception and is usually used for station
identification. The bearing pointer is deactivated and will park
in the 90
0
relative position. Automatic Direction Finder (ADF)
mode is selected by the depressed position of the ADF button.
This mode activates the bearing pointer. The bearing pointer
will point in the direction of the station relative to the aircraft
heading.
2. IN-USE FREQUENCY DISPLAY -- The frequency to which the
ADF is tuned is displayed here. The active ADF frequency can
be changed directly when either of the timer functions is
selected.
3. BFO (Beat Frequency Oscillator) ANNUNCIATOR -- The BFO
mode, activated and annunciated when the "BFO" button is
depressed, permits the carrier wave and associated morse
code identifier broadcast on the carrier wave to be heard.
NOTE
CW signals (Morse Code) are unmodulated and no audio
will be heard without use of BFO. This type of signal is not
used in the United States air navigation. It is used in some
foreign countries and marine beacons.
4. STANDBY FREQUENCY/FLIGHT TIME OR ELAPSED TIME
ANNUNCIATION -- When FRQ is displayed the STANDBY
frequency is displayed in the right hand display. The
STANDBY frequency is selected using the frequency select
knobs. The selected STANDBY frequency is put into the
ACTIVE frequency windows by pressing the frequency transfer
button. Either the standby frequency, the flight timer, or the
elapsed time is displayed in this position. The flight timer and
elapsed timer are displayed replacing the standby frequency
which goes. into "blind" memory to be called back at any time
by depressing the FRQ button. Flight time or elapsed time are
displayed and annunciated alternatively by depressing the
FL T/ET button.
Figure 1. KR 87 Automatic Direction Finder (ADF) (Sheet 2 of 4)
Feb 3/97
S6-5