Cessna 182S Pilot Operating Handbook page 269

3ECTION 9 - SUPPLEMENTS
3UPPLEMENT 3 - FAA APPROVED
CESSNA
MODEL 182S
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TSO
.. : INTERCOM
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::: MKR IIOMEIII I AOFII I I AUX I I
ON
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PUSH SPItR
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9 8
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1.
MARKER BEACON ANNUNCIATOR LIGHTS -- The three-light marker
beacon re ceiver built into the KMA 26 gives a visual and aural signal
when the ship's antenna passes over a 75 MHz beacon . The blue,
amber, and whrte lights on the faceplate , as well as the audio tones,
identify the beacon type.
INNER, AIRWAY and FAN -- Light illuminates white to indicate passage
of
ILS
inner, airway
~r
fan marker beacons.
OUTER -- Light illuminates blue to indicate passage of outer marker
beacon.
MIDDLE -- Light illuminates amber to indicate passage of middle
marker beacon.
2. PHOTOCELL FOR AUTOMATIC DIMMING OF MARKER BEACON
LIGHTS AND SELECT BUnON -- The photocell in the faceplate
automatically dims the marker lights as well as the green annunciators
in the Speaker Audio Select Buttons for night operation.
3. MARKER BEACON SENSITIVITY LAMP AND TEST SWITCH --The
"MKR" Audio Select button must be pushed so that the green
annunciator is illuminated tor the marker beacon to receive to provide
an audio signal at beacon passage. When this switch is on "HI SENS"
(upper) position, the high sensitivity is selected which permits you to
hear the outer marker tone about a mile out. At this point you may
select the the "LO SENS" (middle) position to temporarily silence the
tone. It will start to sound again when you are closer to the marker,
giving you a more precise indication of its location.
Figure 1. Bendix/King KMA 26 Audio Selector Panel (Sheet 1 of 3)