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Pilot’s and Copilot’s Instrument Panels
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
NAVIGATION SYSTEMS
VHF Navigation REV 3, May 03/05
Flight Crew Operating Manual
CSP C--013--067
VHF Navigation Vertical Deviation Flag <1015>
Figure 18---30---6
Primary Flight Display
Pilot’s and Copilot’s Instrument Panels
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
Vertical Deviation Flag (red)
Indicates a glideslope failure
when ILS is the navigation
source. Vertical deviation scale
and pointer are removed.
Vol. 1 18--30--8
NAVIGATION SYSTEMS
VHF Navigation REV 3, May 03/05
Flight Crew Operating Manual
CSP C--013--067
A. System Circuit Breakers
SYSTEM SUB--SYSTEM CB NAME BUS BAR CB
PANEL
CB
LOCATION
NOTES
VHF
Navigation Receiver
VHF NAV 1 DC
ESSENTIAL 2
V6
VHF NAV 2 DC BUS 2
H11
Vol. 1 18--40--1
NAVIGATION SYSTEMS
Automatic Direction Finder REV 3, May 03/05
Flight Crew Operating Manual
CSP C--013--067
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 indicate relative bearing from the
aircraft to a selected ground station.
The transmitting stations can be nondirectional beacons (NDBs) or standard amplitude
modulation (AM) broadcast stations in the frequency range of 190.0 to 1799.5 kHZ.
Frequency tuning and ADF mode selections is made through the radio tuning units.
Frequency tuning can also be made on the FMS control display unit. Station audio is
controlled through the audio control panels.
Bearing selection can be made on either the pilot and copilots display control panel (DCP).
The bearing--to--station data is displayed on the HSI portion of the pilot and copilots primary
flight display (PFD) and on the multifunctional displays (MFD). in HSI, navaid sector and
present position map formats,
Vol. 1 18--40--2
NAVIGATION SYSTEMS
Automatic Direction Finder REV 3, May 03/05
Flight Crew Operating Manual
CSP C--013--067
Automatic Direction Finder System Interface <1015>
Figure 18---40---1
AUDIO ELECTRONIC
CONTROL UNIT
IAPS
FMS
X--TALK
RX AUDIO
PORT A
PORT B
ECHO
PORT C
RX AUDIO
PORT A
PORT B
ECHO
PORT C
ADF 1 ADF 2
AUDIO CONTROL PANELS
ANTENNA ANTENNA
DC
ESS
ADF
2
CBP2--H7
ADF
1
CBP2--V4
DC
BUS 2
Vol. 1 18--40--3
NAVIGATION SYSTEMS
Automatic Direction Finder REV 3, May 03/05
Flight Crew Operating Manual
CSP C--013--067
Automatic Direction Finder (ADF) --- Radio Tuning Unit <1012>
Figure 18---40---2
ADF Frequency
Readout (green)
ADF Key
Push key once to directly
tune active frequency
with tuning knobs.
Push key twice to select
ADF main page.
Radio Tuning Unit -- Top Level Page
Center Pedestal
Radio Tuning Unit -- ADF Main Page
Center Pedestal
ADF Tone Key
Used to select tone circuit on or off.
When selected on, an aural signal is
superimposed on the unmodulated carrier
wave to aid in precise frequency selection.
Selected setting is displayed in cyan.
ADF Frequency
Readout (green)
TUNING
KNOB
TUNING
WINDOW
Vol. 1 18--40--4
NAVIGATION SYSTEMS
Automatic Direction Finder REV 3, May 03/05
Flight Crew Operating Manual
CSP C--013--067
Automatic Direction Finder --- Controls <2040>
Figure 18---40---3
1 -- ADF -- 2
Press to monitor selected
ADF receiver. When lit,
rotate to increase volume.
Press again to deselect
ADF receiver audio.
Audio Control Panel
Center Pedestal
Display Control Panel
Pilot’s and Copilot’s Side Panels
BRG
Used to select next
waypoint that
bearing pointer will
indicate direction to.
Vol. 1 18--40--5
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