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COMPARE FUEL QUANTITY
0POS SENSOR T.O.INIT0
00000GPS 1 STATUS00002/2
0BOW PASS/@ LB0
0/170
0GRD SPD=310
KPHX
SJI
ABQ
0 GPS POSITION
PRED RAIMO
GPS ALTO
IN302KTE68KT 14999
IIIN34°02.6 W112°02.3
0 MILES FR FMS POS
INO.1 W4.4 TOTAL 4.4
GX_16_007
Press status KEY
COMPARE FUEL QUANTITY
0VOR/DME T.O.INIT0
00OOOPOS SENSORS 2/2
0BOW PASS/@ LB0
0/170
0IRS 1
KPHX
SJI
ABQ
0FMS POS
POSIT INITO
STATUSO
UPDATEO
IIIN34°02.6 W112°02.3
IIIN33°26.6 W112°12.1
COMPARE FUEL QUANTITY
0POS SENSOR T.O.INIT0
00000GPS 1 STATUS00002/2
0BOW PASS/@ LB0
0/170
HDOP=2 UTC 1730
KPHX
SJI
ABQ
RAIM=0.10NM
PRED RAIMO
VDOP=2 DATE 20APR97
FOM=0.05NM
MODE=NAVIGATION
SATELLITES TRACKED=7
Press NEXT function key
COMPARE FUEL QUANTITY
0POS SENSOR T.O.INIT0
00000GPS 1 STATUS00001/2
0BOW PASS/@ LB0
0/170
0GRD SPD=310
KPHX
SJI
ABQ
0 GPS POSITION
PRED RAIMO
GPS ALTO
IN302KTE68KT 14999
IIIN34°02.6 W112°02.3
0 MILES FR FMS POS
INO.1 W4.4 TOTAL 4.4
GX_16_008
For Training Purposes Only
Sept 04
16-9
P I LOT T R A I N I N G GU I D E
NAVIGATION
RAIM and FOM indicate current uncertainty of position expressed in nautical miles.
HDOP and VDOP are numbers that rate current satellite geometry in the horizontal
and vertical axis with 1 being the best geometry. Normally HDOP and VDOP numbers
are below 10.
NOTE
For more information refer to the Flight Management System
Pilot’s Guide.
GPS SCHEMATIC
GX_16_009
FMS 1 FMS 2 FMS 3
FMS 1
FMS 2
FMS 3
(if installed)
GPWS
GPS
ANTENNA
ADC 1 ADC 2
IAC 1
IAC 2
IAC 3
GNSSU
P I LOT T R A I N I N G GU I D E
NAVIGATION
16-10 For Training Purposes Only
Sept 04
NAVIGATION DISPLAY UNIT (IF INSTALLED)
The Navigation Display Unit (NDU), also referred to as Lasertrack (LTRK), located
on the pilot’s side panel, is a combined navigation computer and display unit, that is
used to initialize up to three inertial reference units (IRU) and to display navigation
data based on a nine-waypoint flight plan and IRS inputs.
The following describes the controls of the NDU:
ON KEY
The ON Key is used to power on and power off the NDU.
SYSTEM SELECT FAULT
ON
FROM TO WPT
WPT
LEG
CHG
XTK
DTK
WD
WS
DIS
TIM
HDG
STS
POS
TK
GS
1
M
2 T
BRT
3 DIM
TST
ENT
BCK
0 CLR
7 S
8
9
W
4
5
E
6
1
N
2
3
88888
8 8
8 8888888
FROM/TO/WPT
Display
Data Display
Data Entry
Keyboard
ON Key
Data Select
Keyboard
Special Function
Keyboard
NDU FAULT
Annunciator
SYSTEM SELECT
Keyboard
GX_16_010
For Training Purposes Only
Sept 04
16-11
P I LOT T R A I N I N G GU I D E
NAVIGATION
DATA ENTRY KEYBOARD
The data entry keyboard is used to enter, display, modify, or transmit initialization, leg
change, and flight plan data. The data entry keyboard consists of the following:
SPECIAL FUNCTION KEYBOARD
The special function keyboard consists of the following:
SYSTEM SELECT KEYS
GX_16_011
ENT
BCK
0 CLR
7 S
8
9
W
4
5
E
6
1
N
2
3
ENT Key
The enter key is used to
accept entered data that is
being displayed on the
data display. A cue light
illuminates (green) to
indicate that operator
action is required.
CLR Key
The clear key is used to
remove entered data and
clear the display. A cue light
illuminates (green) to
indicate that operator action
is required.
BCK Key
The back key is used to select the
number and position of the previous
waypoint for display when the WPT cue
light is illuminated.
The magnetic/true north key
M
T
Used to indicate north reference.
– When the cue light is illuminated, the NDU
displays data reference to magnetic north.
When the cue light is illuminated, the NDU
displays data reference to true north.
–
BRT/DIM Key
The bright/dim key is used to control the lighting of the
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