Marker Facilities - Cessna 1980 182Q Pilot's Operating Handbook And Flight Manual

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CEi?,NA 400 MARKER BEACON
(TYPE R-402A)
PILOT'S OPERATING HANDBOOK
SUPPLEMENT
provides the pilot with HI-LO sensitivity selection and a TEST position to
verify operation of all annunciator lights. The small, inner control knob
labeled OFF/VOL, turns the set on or off and adjusts the audio listening
level. The large, outer control knob labeled BRT, provides light dimming
for the marker beacon lights.
When the Cessna 400 Marker Beacon controls are incorporated in an
audio control panel incorporated with two or less transmitters a marker
Beacon audio level adjustment potentiometer and an annunciator lights
minimum dimming potentiometer are mounted on the audio control panel
circuit board. Potentiometer adjustments cannot be accomplished exter-
nally. However, if readjustments are desired, adjustments can be made in
accordanc.e with instructions found in the Avionics Installations Ser-
vice/Parts Manual for this aircraft.
MARKER FACILITIES
MARKER IDENTIFYING TONE
LIGHT*
2
Inner
&
Fan Continuous 6 dots/ sec (300 Hz) White
Middle Alternate dots and dashes (1300 Hz)
Amber
Outer 2 dashes/sec (400
Hz) Blue
* When the identifying tone is keyed, the respective indicating
light will blink accordingly.
1 October 1979