Cessna 1980 172RG Cutlass Pilot Operating Handbook page 128

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CESSNA 300 ADF
(TYPE R-546E)
SECTION 3
EMERGENCY PROCEDURES
There is no change to the airplane emergency procedures when this
avionic equipment is installed.
SECTION 4
NORMAL PROCEDURES
TO OPERATE AS A COMMUNICATIONS RECEIVER ONLY:
1. OFF/VOL Control -- ON.
2. Function Selector Knob -- REC.
3. Frequency Selector Knobs -- SELECT operating frequency.
4. ADF SPEAKER/PHONE Selector Switch (on audio control panel)
-- SELECT speaker or phone position as desired.
5. VOL Control -- ADJUST to desired listening level.
TO OPERATE AS AN AUTOMATIC DIRECTION FINDER:
1. OFF/VOL Control -- ON.
2. Frequency Selector Knobs -- SELECT operating frequency.
3. ADF SPEAKER/PHONE Selector Switch (on audio control panel)
-- SELECT AS DESIRED.
4. Function Selector Knob -- ADF position and note relative bearing
on indicator.
TO TEST RELIABILITY OF AUTOMATIC DIRECTION FINDER:
1. Function Selector Knob -- ADF position and note relative bearing
on indicator.
2. Function Selector Knob -- TEST position and observe that pointer
moves away from relative bearing at least 10 to 20 degrees.
3. Function Selector Knob -- ADF position and observe that pointer
returns to same relative bearing as in step (1).
TO OPERATE BFO:
1. OFF/ VOL Control -- ON.
2. Function Selector Knob -- BFO.
3. Frequency Selector Knobs -- SELECT operating frequency.
4. ADF SPEAKER/PHONE Selector Switch (on audio control panel)
-- SELECT speaker or phone position as desired.
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PILOT'S OPERATING HANDBOOK
SUPPLEMENT
1 July 1979
'
S OPERATING HANDBOOK
PILOT
SUPPLEMENT
5. VOL Control -- ADJUST to desired listening level.
NOTE
A 1000-Hz tone is heard in the audio output when a CW
signal (Morse Code) is tuned in properly.
SECTION 5
PERFORMANCE
There is no change to the airplane performance when this avionic
equipment is installed. However, the installation of an externally mounted
antenna or related external antennas, will result in a minor reduction in
cruise performance.
1 July 1979
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CESSNA 300 ADF
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