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NAVIGATION SYSTEMS
VHF Navigation
Flight Crew Operating Manual
CSP A--013
MASTER
VHF Navigation --- Bearing Source <MST>
Figure 18---30---4
Bearing Pointers
Indicates direction of
selected bearing.
Single lined (bearing No. 1)
is magenta. Double lined
(bearing No. 2) is cyan.
Bearing Source
Indicates navigation source
selected to obtain bearings.
Single lined (bearing No. 1)
is magenta. Double lined
(bearing No. 2) is cyan.
Primary Flight Display
Pilot’s and Copilot’s Instrument Panels
Multifunction Display -- HSI Mode
Pilot’s and Copilot’s Instrument Panels
<0015>
REV 56, Jan 31/03
Vol. 1 18--30--6
NAVIGATION SYSTEMS
VHF Navigation
Flight Crew Operating Manual MASTER
CSP A--013
VHF Navigation --- Deviation/Source Indicator <MST>
Figure 18---30---5
Navigation Source
Indicator
Indicates navigation
source setting of
navigation source knob
on display control panel.
Primary Flight Display
Pilot’s and Copilot’s Instrument Panels
Multifunction Display -- HSI Mode
Pilot’s and Copilot’s Instrument Panels
<0015>
Lateral Deviation Bar
Indicates lateral
deviation from selected
course. Color matches
navigation source.
Vertical Deviation Indicator
Indicates vertical deviation
pointer from selected course.
Color matches navigation
source. Flashes during
excessive deviation.
Vol. 1 18--30--7
REV 56, Jan 31/03
NAVIGATION SYSTEMS
VHF Navigation
Flight Crew Operating Manual
CSP A--013
MASTER
VHF Navigation Vertical Deviation Flag <MST>
Figure 18---30---6
Primary Flight Display
Pilot’s and Copilot’s Instrument Panels
Vertical Deviation Flag (red)
Indicates a glideslope failure
when ILS is the navigation
source. Vertical deviation scale
and pointer 6 are removed.
LOC
Navigation Source Flag (red)
Indicates failure of the selected
navigation source.
Lateral deviation scale, lateral
deviation bar and to/from
indicator are removed.
Lateral Deviation Flag (red)
Indicates a localizer failure
when LOC is the navigation
source.
GS
LOC
GS
<0015>
REV 56, Jan 31/03
Vol. 1 18--30--8
NAVIGATION SYSTEMS
VHF Navigation
Flight Crew Operating Manual MASTER
CSP A--013
A. System Circuit Breakers
SYSTEM SUB--SYSTEM CB NAME BUS BAR CB
PANEL
CB
LOCATION
NOTES
VHF Receivers
VHF NAV 1 DC ESS 4 D6
Navigation VHF NAV 2 DC BUS 2 2 H9
Vol. 1 18--40--1
REV 56, Jan 31/03
NAVIGATION SYSTEMS
Automatic Direction Finder
Flight Crew Operating Manual
CSP A--013
MASTER
1. AUTOMATIC DIRECTION FINDER
The automatic direction finder (ADF) system is a dual, low frequency radio system
designated as ADF 1 and ADF 2. The ADF system is used to indicate relative bearing from
the aircraft to a selected ground station.
The transmitting stations can be non-directional beacons (NDBs) or standard amplitude
modulation (AM) broadcast stations in the frequency range of 190.0 to 1799.0 Khz. The
receivers operate in the following modes:
S Antenna (ANT) mode -- Functions as an aural receiver
S ADF mode -- Functions as a direction finder indicating bearing to station and outputs
an aural tone
S Tone mode -- Allows identification of keyed continuous wave (CW) signals by using
a 1000--Hz aural output circuit.
Frequency tuning and ADF mode selections is made through the radio tuning units. Station
audio is controlled through the audio control panels.
Frequency tuning can also be made on the FMS control display unit. <0024><0050>
NOTE
When the microphone is keyed during HF
transmissions, the ADF pointers will freeze.
Bearing selection is made on the pilot and copilot display control panels and the
bearing--to--station data is displayed on the HSI portion of the pilots and copilots primary
flight display (PFD) and on the multifunctional display (MFD), in HSI, navaid sector and
present position map formats.
REV 56, Jan 31/03
Vol. 1 18--40--2
NAVIGATION SYSTEMS
Automatic Direction Finder
Flight Crew Operating Manual MASTER
CSP A--013
Automatic Direction Finder System Interface <MST>
Figure 18---40---1
AUDIO ELECTRONIC
CONTROL UNIT
FMS
X--TALK
RX AUDIO
PORT A
PORT B
DATA
OUTPUT
PORT C
RX AUDIO
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