Cessna TURBO CENTURION T210M 1978 Pilot Operating Handbook page 293

PILOT'S OPERATING HANDBOOK
SUPPLEMENT
CESSNA 400 MARKER BEACON
(TYPE R-402A)
1.
OFF/VOLUME CONTROL - The small, inner control turns the set on or off and
adjasts the audio listening level. Clockwise rotation turns the set on and
increases the audio level.
2. DIM/BRT CONTROL - The large, outer control provides light dimming for the
marker lights. Clockwise rotation increases light intensity.
3. TEST SWITCH - (152 Model Series Only) When the press-to-test switch button is
depressed, the marker beacon lights will illuminate, indicating the lights are
operational (the test position is a lamp test function only).
4. LO /HI SENS SWITCH - (152 Model Series Only) In the LO position (Up), receiver
sensitivity is positioned for !LS approaches. In the HI position (Down), receiver
sensitivity is positioned for airway flying.
5. SPEAKER/PHONE SWITCH - Selects speaker or phone for aural reception.
6. MARKER BEACON INDICATOR LIGHTS - Indicates passage of outer, middle
and inner marker beacons. The OUTER light is blue, the MIDDLE light is amber
and the INNER light is white.
7. HI/LO/TEST SWITCH - (All Models Except 152 Model Series) In the HI position
(Up), receiver sensitivity is positioned for airway flying . In the LO position
(Center), receiver sensitivity is positioned for ILS approaches. In the TEST
position (Down), the marker lights will illuminate, indicating the lights are
operational (the test position is a lamp test function only).
Figure
1.
Cessna 400 Marker Beacon Operating Controls and Indicator
Lights (Sheet 2 of 2)
3