18
CESSNA 400 MARKER BEACON PILOT'S OPERATING HANDBOOK
(TYPE R-402A)
SUPPLEMENT
AUDIO CONTROL PANEL FOR USE WITH THREE TRANSMITTERS
1.
OFF/VOLUME CONTROL:
OFF/ VOL - Turns the set on or off and adjusts the audio listening level. Clockwise
rotation of the smaller knob turns the set on and increases the audio level.
2.
MARKER BEACON ANNUNCIATOR LIGHTS:
OUTER - Light illuminates blue to indicate passage of outer marker beacon.
MIDDLE - Light illuminates amber to indicate passage of middle marker beacon.
I NNER and FAN - Light illuminates white to indicate passage of inner or fan
marker beacon.
3.
SPEAKER/PHONE SELECTOR SWITCH:
SPEAKER POSITION - Selects speaker for aural reception.
PHONE POSITION - Selects headphone for aural reception.
4.
HI/LO/ TEST SELECTOR SWITCH:
HI POSITION - Receiver sensitivity is positioned for airway flying.
LO POSITION - Receiver sensitivity is positioned for ILS approaches.
TEST POSITION - Illuminates all annunciator lights in the full bright position to
verify operation of annunciator lights.
5.
LIGHT DIMMING CONTROL:
BRT - Provides light dimming for the annunciator lights. Clockwise rotation of
the larger knob increases light intensity.
Figure 2. Cessna 400 Marker Beacon Operating Controls and Indicator
Lights Supplied With Three Transmitters.
4
1 July 1979
18
PILOT
'
S OPERATING HANDBOOK CESSNA 400 MARKER BEACON
SUPPLEMENT
(TYPE R-402A)
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
MARKER BEACON OPERATING PROCEDURES FOR USE WITH
AUDIO CONTROL PANELS PROVIDED WITH ONE OR TWO TRANS-
MITTERS (REF. FIG. 1)
1.
SPKR/OFF/PHN Selector Switch -- SELECT desired speaker or
phone audio. Either selected position will turn set on.
2.
NITE/DAY/TEST Selector Switch -- PRESS to TEST position and
verify that all marker beacon annunciator lights illuminate full
bright to indicate lights are operational.
3.
NITE/ DAY/ TEST Selector Switch -- SELECT desired position for
NITE or DAY lighting.
4.
HIGH/LO/MUTE Selector Switch - - SELECT HI position for
airway flying or LO position for
ILS
approaches.
NOTE
Press MUTE switch to provide an approximate 30 seconds
temporary blanking out of Marker Beacon audio tone. The
marker beacon audio tone identifier is automatically
restored at the end of the muting period.
1 July 1979
5
