Cessna TURBO CENTURION T210M 1978 Pilot Operating Handbook page 291

PILOT'S OPERATING HANDBOOK
SUPPLEMENT
CESSNA 400 MARKER BEACON
(TYPE R-402A)
SUPPLEMENT
CESSNA 400 MARKER BEACON
(Type R-402A}
SECTION 1
GENERAL
The system consists of a
75
MHz marker beacon receiver, three
indicator lights, a speaker/ phone selector switch, a light dimming control,
an ON/OFF/VOLUME control, and a
75
MHz marker beacon antenna. In
addition, a HI-LO-TEST switch is provided on all airplanes except the 152
series airplanes for sensitivity selection and test selection. On 152 series
airplanes, a HI-LO sensitivity selector switch is provided with a separate
press-to-test button.
This system provides visual and aural indications of
75
MHz ILS
marker beacon signals as the marker is passed. The following table lists
the three most currently used marker facilities and their characteristics.
MARKER
Inner
Middle
Outer
MARKER FACILITIES
IDENTIFYING TONE
Continuous 6 dots/ sec (300 Hz)
Alternate dots and dashes (1300 Hz)
2 dashes/sec (400 Hz)
LIGHT*
White
Amber
Blue
* When the identifying tone is keyed, the respective indicating
light will blink accordingly.
Operating controls and indicator lights are shown and described in
Figure
1.
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