Cessna 150 COMMUTER 1976 Pilot Operating Handbook page 90

CESSNA 300 ADF
(TYPE R-546E)
PILOT'S OPERATING HANDBOOK
SUPPLEMENT
SECTION 2
LIMITATIONS
There is no change to the airplane limitations when this avionic
equipment is installed.
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.
NOTE
Indicator's pointer will stow at a 3:00 o'clock position to
alert the pilot to non-ADF operation.
(3) Frequency Selector Knobs -- SELECT operating frequency.
(4) ADF SPEAKER/PHONE Switch -- SELECT speaker or phone
position a s desired.
(5) VOL Control -- ADJUST to desired listening level.
TO OPERATE AS AN AUTOMATIC DIRECTION FINDER:
(1) OFF/VOL Control -- ON.
4
(2) Frequency Selector Knobs -- SELECT operating frequency.
(3) ADF SPEAKER/PHONE Switch -- SELECT speaker or phone
position.
(4) Function Selector Knob -- ADF position and note relative bearing
on indicator.
(5) VOL Control -- ADJUST to desired listening level.
NOTE
When switching stations place function selector knob in
REC position. Then, after station has been selected,
PILOT'S OPERATING HANDBOOK
SUPPLEMENT
return selector knob to ADF to resume a utomatic direc-
tion finder operation (this practice prevents t he bearing
indicator from swinging back and forth as frequency dial
is rotated).
TO TEST RELIABILITY OF AUTOMATIC DIRECTION FINDER:
(1) Function Selector Knob -- ADF position and note r elative bearing
on indicator.
(2) F unction Selector Knob -- TEST position and observe t hat pointer
moves away from relative bearing at least 10 to 20 degrees.
(3) Function Selector Knob -- ADF position and observe that pointer
returns to sam e 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 SPEAKE R/PHONE Switch -- SE LECT speaker or phone
position.
(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 .
SECTIO N 5
PERFOR M ANCE
There is no change to the airplane performance when this avioni c
equipment is installed.
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