Garmin G3X PILOT'S GUIDE
G3X Pilot’s Guide
™
SYSTEM OVERVIEW
FLIGHT INSTRUMENTS
EIS
COM INTERFACE
GPS NAVIGATION
FLIGHT PLANNING
HAZARD AVOIDANCE
ADDITIONAL FEATURES
INTEGRATED AUTOPILOT
ANNUNCIATIONS & ALERTS
APPENDIX
INDEX
Copyright © 2009, 2010 Garmin Ltd. or its subsidiaries. All rights reserved.
This manual reflects the operation of System Software version 0003.00 or later. Some differences
in operation may be observed when comparing the information in this manual to earlier or later
software versions.
Garmin International, Inc., 1200 East 151st Street, Olathe, Kansas 66062, U.S.A.
Toll free: 800/800.1020 or 866/739.5687 Tel: 913/397.8200 Fax: 913/397.8282
Garmin AT, Inc., 2345 Turner Road SE, Salem, OR 97302, U.S.A.
Tel: 503/391.3411 Fax 503/364.2138
Garmin (Europe) Ltd, Liberty House, Bulls Copse Road, Hounsdown Business Park,
Southampton, SO40 9RB, U.K.
Tel: 44/0870.8501241 Fax: 44/0870.8501251
Garmin Corporation, No. 68, Jangshu 2nd Road, Shijr, Taipei County, Taiwan
Tel: 886/02.2642.9199 Fax: 886/02.2642.9099
Web Site Address: www.garmin.com
Except as expressly provided herein, no part of this manual may be reproduced, copied,
transmitted, disseminated, downloaded or stored in any storage medium, for any purpose without
the express written permission of Garmin. Garmin hereby grants permission to download a
single copy of this manual and of any revision to this manual onto a hard drive or other electronic
storage medium to be viewed for personal use, provided that such electronic or printed copy
of this manual or revision must contain the complete text of this copyright notice and provided
further that any unauthorized commercial distribution of this manual or any revision hereto is
strictly prohibited.
®
, FliteCharts®, SafeTaxi®, and MapSource® are registered trademarks of Garmin Ltd. or its
Garmin
subsidiaries. G3X™ is a trademark of Garmin Ltd. or its subsidiaries. These trademarks may not be
used without the express permission of Garmin.
®
Jeppesen
NavData
XM
is a registered trademark of Jeppesen, Inc.
™
is a trademark of Jeppesen, Inc.
®
is a registered trademark of XM Satellite Radio, Inc.
June 2010 190-01115-00 Rev. D Printed in the U.S.A.
Warnings, Cautions & Notes
WARNING: Navigation and terrain separation must NOT be predicated upon the
use of the terrain function. The G3X Terrain Proximity feature is NOT intended to
be used as a primary reference for terrain avoidance and does not relieve the pilot
from the responsibility of being aware of surroundings during flight. The Terrain
Proximity feature is only to be used as an aid for terrain avoidance and is not certified
for use in applications requiring a certified terrain awareness system. Terrain data
is obtained from third party sources. Garmin is not able to independently verify
the accuracy of the terrain data.
WARNING: To reduce the risk of unsafe operation, carefully review and understand
all aspects of the G3X Pilot’s Guide documentation and the Pilot’s Operating
Handbook of the aircraft. Thoroughly practice basic operation prior to actual use.
During flight operations, carefully compare indications from the G3X to all available
navigation sources, including the information from other NAVAIDs, visual sightings,
charts, etc. For safety purposes, always resolve any discrepancies before continuing
navigation.
WARNING: The displayed minimum safe altitudes (MSAs) are only advisory in
nature and should not be relied upon as the sole source of obstacle and terrain
avoidance information. Always refer to current aeronautical charts for appropriate
minimum clearance altitudes.
WARNING: The altitude calculated by G3X internal GPS receivers is geometric height
above Mean Sea Level and could vary significantly from the altitude displayed by
pressure altimeters. Always use pressure altitude displayed by the G3X PFD when
determining or selecting aircraft altitude.
WARNING: Do not use outdated database information. Databases used in the G3X
system must be updated regularly in order to ensure that the information remains
current. Pilots using any outdated database do so entirely at their own risk.
WARNING: XM Weather should not be used for hazardous weather penetration.
Weather information is approved only for weather avoidance, not penetration.
WARNING: NEXRAD weather data is to be used for long-range planning purposes
only. Due to inherent delays in data transmission and the relative age of the data,
NEXRAD weather data should not be used for short-range weather avoidance.
WARNING: The data contained in the terrain and obstacle databases comes from
government agencies. Garmin accurately processes and cross-validates the data,
but cannot guarantee the accuracy and completeness of the data.
Garmin G3X Pilot’s Guide
190-01115-00 Rev. D
Warnings, Cautions & Notes
WARNING: The illustrations in this guide are only examples. Never use the G3X
to attempt to penetrate a thunderstorm. Both the FAA Advisory Circular, Subject:
Thunderstorms, and the Aeronautical Information Manual (AIM) recommend
avoiding “by at least 20 miles any thunderstorm identified as severe or giving an
intense radar echo.”
WARNING: For safety reasons, G3X operational procedures must be learned on
the ground.
WARNING:
the following areas could result in loss of reliable attitude and heading indications. North
of 72° North latitude at all longitudes; South of 70° South latitude at all longitudes;
North of 65° North latitude between longitude 75° W and 120° W. (Northern Canada);
North of 70° North latitude between longitude 70° W and 128° W. (Northern Canada);
North of 70° North latitude between longitude 85° E and 114° E. (Northern Russia);
South of 55° South latitude between longitude 120° E and 165° E. (Region south of
Australia and New Zealand)
WARNING: The Garmin G3X has a very high degree of functional integrity. However,
the pilot must recognize that providing monitoring and/or self-test capability for all
conceivable system failures is not practical. Although unlikely, it may be possible
for erroneous operation to occur without a fault indication shown by the G3X. It is
thus the responsibility of the pilot to detect such an occurrence by means of crosschecking with all redundant or correlated information available in the cockpit.
Because of variation in the earth’s magnetic field, operating the G3X within
WARNING: The United States government operates the Global Positioning System
and is solely responsible for its accuracy and maintenance. The GPS system is subject
to changes which could affect the accuracy and performance of all GPS equipment.
Portions of the Garmin G3X utilize GPS as a precision electronic NAVigation AID
(NAVAID). Therefore, as with all NAVAIDs, information presented by the G3X can
be misused or misinterpreted and, therefore, become unsafe.
WARNING: Do not use basemap (land and water data) information for primary
navigation. Basemap data is intended only to supplement other approved
navigation data sources and should be considered as an aid to enhance situational
awareness.
WARNING: Do not use the approach information provided by the VFR navigation
database residing within the G3X as a means of navigating any instrument
approach. The G3X VFR navigation database is limited to present only the waypoints
for the final approach leg of a published procedure. These waypoints and associated
course line are made available for monitoring purposes only.
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Garmin G3X Pilot’s Guide
Warnings, Cautions & Notes
CAUTION: The display uses a lens coated with a special anti-reflective coating that
is very sensitive to skin oils, waxes, and abrasive cleaners. CLEANERS CONTAINING
AMMONIA WILL HARM THE ANTI-REFLECTIVE COATING. It is very important to
clean the lens using a clean, lint-free cloth and an eyeglass lens cleaner that is
specified as safe for anti-reflective coatings.
CAUTION: The Garmin G3X does not contain any user-serviceable parts. Repairs
should only be made by an authorized Garmin service center. Unauthorized repairs
or modifications could void both the warranty and the pilot’s authority to operate
this device under FAA/FCC regulations.
NOTE: All visual depictions contained within this document, including screen images
of the G3X panel and displays, are subject to change and may not reflect the most
current G3X system and aviation databases. Depictions of equipment may differ
slightly from the actual equipment.
NOTE: This product, its packaging, and its components contain chemicals known
to the State of California to cause cancer, birth defects, or reproductive harm. This
notice is being provided in accordance with California’s Proposition 65. If you have
any questions or would like additional information, please refer to our web site at
www.garmin.com/prop65.
NOTE: Interference from GPS repeaters operating inside nearby hangars can cause
an intermittent loss of attitude and heading displays while the aircraft is on the
ground. Moving the aircraft more than 100 yards away from the source of the
interference should alleviate the condition.
NOTE: Use of polarized eyewear may cause the flight displays to appear dim or
blank.
NOTE: Temporary Flight Restriction (TFR) data is provided by the FAA and may
not be updated outside of normal business hours. Confirm data currency through
alternate sources and contact your local FSS for interpretation of TFR data.
NOTE: The Garmin G3X system includes products like the GDU 37X and the GSU
73 that are not TSO-certified products and have not received FAA approval or
endorsement. Consequently the G3X system is not suitable for installation in
type-certificated aircraft.
Garmin G3X Pilot’s Guide
190-01115-00 Rev. D
Part Number Change Summary
190-01115-00 Initial release
Revision Date of Revision Affected Pages Description
A August, 2009 All Production Release
B January, 2010 All Added 2.50 system software
parameters.
C March, 2010 All Added 2.65 system software
parameters.
D June, 2010 All Added 3.00 system software
parameters.
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Table of Contents
Section 1 System Overview ........................................................................... 1
1.1 Line Replaceable Units .............................................................................................1
G3X Standard Panel (Single Display) ..................................................................................... 4
G3X Upgraded Panel (Dual-Display) ...................................................................................... 5
External Navigators (Optional) .............................................................................................. 6
Integrated Autopilot (Optional) ............................................................................................. 7
1.2 Display Overview ......................................................................................................8
1.3 Secure Digital (SD) Cards .........................................................................................9
1.4 G3X Controls ............................................................................................................10
1.5 System Power-up ....................................................................................................12
1.6 System Operation ...................................................................................................13
Display Operation ............................................................................................................... 13
G3X System Annunciations ................................................................................................. 16
AHRS Operation ................................................................................................................. 16
1.7 Accessing System Functionality .............................................................................18
Menus ...............................................................................................................................18
Data Entry .......................................................................................................................... 19
Pages ................................................................................................................................. 21
Softkey Function ................................................................................................................. 26
1.8 Accessing the Information (INFO) Page ................................................................34
Viewing GPS Receiver Status .............................................................................................. 34
Position .............................................................................................................................. 37
Data Fields and Layout (Dual Display - MFD) ....................................................................... 38
1.9 System Settings .......................................................................................................39
Data Bar Fields ................................................................................................................... 40
Display ............................................................................................................................... 41
Sound ................................................................................................................................ 43
Units .................................................................................................................................. 43
Date & Time ....................................................................................................................... 44
Position .............................................................................................................................. 45
Alarms ............................................................................................................................... 46
Setting Airport Criteria ........................................................................................................ 47
Utilities .............................................................................................................................. 48
Section 2 Flight Instruments ........................................................................ 49
2.1 Flight Instruments ...................................................................................................49
Airspeed Indicator .............................................................................................................. 51
Attitude Indicator ............................................................................................................... 52
Altimeter ............................................................................................................................ 53
Vertical Speed Indicator (VSI) .............................................................................................. 56
Vertical Deviation Indicator (VDI) (Optional) ........................................................................ 56
Horizontal Situation Indicator (HSI) ..................................................................................... 58
Heading Strip and Turn Rate Indicator ................................................................................. 67
OBS Mode ......................................................................................................................... 68
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2.2 Supplemental Flight Data ......................................................................................69
Outside Air Temperature ..................................................................................................... 69
Wind Data ......................................................................................................................... 70
2.3 Vertical Navigation (VNAV) ....................................................................................71
Using the VNAV Feature .....................................................................................................72
Section 3 Engine Indication System ............................................................ 75
3.1 EIS Display & ENG Page ..........................................................................................75
ENG Page Softkeys (Example Configuration) ....................................................................... 79
3.2 Lean Assist Mode (Optional) ..................................................................................79
3.3 Fuel Calculator (Optional) ......................................................................................83
Fuel Calculator Softkeys...................................................................................................... 84
3.4 CAS Messages (Optional) .......................................................................................85
Section 4 COM Interface .............................................................................. 87
4.1 Auto-tuning Frequencies (Optional) ......................................................................87
Section 5 GPS Navigation ............................................................................. 91
5.1 Introduction .............................................................................................................91
Compass Arc ...................................................................................................................... 91
5.2 Using Map Displays .................................................................................................92
Map Page Setup ................................................................................................................. 93
Map Range ........................................................................................................................ 97
Map Panning ..................................................................................................................... 98
Fuel Range Ring ............................................................................................................... 100
Measuring Bearing and Distance ......................................................................................101
Topography ...................................................................................................................... 102
Satellite View ................................................................................................................... 103
Map Symbols ................................................................................................................... 104
5.3 Airways ..................................................................................................................105
5.4 Waypoints ..............................................................................................................108
Nearest Information ......................................................................................................... 113
Weather Information ........................................................................................................ 115
Intersections .................................................................................................................... 116
NDBs ................................................................................................................... 116
VORs ...............................................................................................................................117
User Waypoints ................................................................................................................ 118
Automatic Waypoint Selection .......................................................................................... 122
5.5 Airspace..................................................................................................................122
Airspace Alert Messages ................................................................................................... 123
Smart Airspace ................................................................................................................. 124
5.6 Direct-to Navigation .............................................................................................124
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Table of Contents
Section 6 Flight Planning ............................................................................ 129
6.1 Introduction ...........................................................................................................129
Flight Plan Data Fields ...................................................................................................... 130
6.2 Flight Plan Creation ..............................................................................................131
6.3 Flight Plan Storage ...............................................................................................132
6.4 Flight Plan Activation ...........................................................................................134
6.5 Flight Plan Editing .................................................................................................135
Adding Waypoints to an Existing Flight Plan ...................................................................... 135
Editing Flight Plan Speed, Fuel, and/or Name .................................................................... 137
Copying Flight Plans ......................................................................................................... 140
Deleting Flight Plans ........................................................................................................ 140
Inverting a Flight Plan ...................................................................................................... 142
6.6 Approaches ............................................................................................................143
Selecting an Approach ...................................................................................................... 144
Activating Vectors-to-Final ................................................................................................ 146
6.7 Trip Planning ..........................................................................................................148
Section 7 Hazard Avoidance ....................................................................... 149
7.1 XM® Satellite Weather ..........................................................................................149
Activating Services ...........................................................................................................149
XM Satellite Weather Products .......................................................................................... 150
Using XM Satellite Weather Products ................................................................................ 161
7.2 Terrain ....................................................................................................................165
Synthetic Vision ................................................................................................................ 166
Terrain Information ........................................................................................................... 166
Terrain Views .................................................................................................................... 167
Terrain Alerts & Setup ....................................................................................................... 168
7.3 Traffic Information Service (TIS) (Optional) ........................................................171
TIS Symbology .................................................................................................................. 171
Traffic Annunciations ........................................................................................................ 171
Traffic Ground Track ......................................................................................................... 173
Displaying Traffic Data ...................................................................................................... 173
Section 8 Additional Features .................................................................... 175
8.1 Synthetic Vision (SVX) ..........................................................................................176
Synthetic Vision Operation ................................................................................................ 178
8.2 SafeTaxi® ................................................................................................................185
SafeTaxi Cycle Number and Revision ................................................................................. 186
8.3 FliteCharts® ...........................................................................................................187
Chart Range ..................................................................................................................... 189
FliteCharts Cycle Number and Expiration Date .................................................................. 189
8.4 AOPA Data ..............................................................................................................190
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8.5 XM® Radio Entertainment (Optional) ..................................................................191
Activating XM Satellite Radio Services .............................................................................. 191
Using XM Radio ............................................................................................................... 192
Section 9 Integrated Autopilot (Optional) ................................................ 197
9.1 Integrated Autopilot Operation ..........................................................................198
Controls ........................................................................................................................... 198
G3X Autopilot Status BOX ................................................................................................ 201
Integrated Autopilot Modes .............................................................................................. 202
9.2 Vertical Modes .......................................................................................................204
Pitch Hold Mode (PIT)....................................................................................................... 205
Selected Altitude Capture mode (ALTS) ............................................................................. 206
Altitude Hold Mode (ALT) ................................................................................................. 207
Vertical Speed Mode (VS) ................................................................................................. 209
Vertical Navigation Mode (VNAV) ..................................................................................... 211
GlidePath Mode (GP) (WAAS Only) ................................................................................... 216
9.3 Lateral Modes ........................................................................................................217
Roll Hold Mode (ROL) ....................................................................................................... 217
Heading Mode (HDG) ....................................................................................................... 218
Navigation Mode (GPS) .................................................................................................... 219
9.4 Integrated Autopilot Alerts .................................................................................221
Section 10 Annunciations & Alerts ............................................................ 223
10.1 Miscellaneous Message Advisories ...................................................................223
10.2 System Status Messages (INFO Page) ...............................................................225
10.3 Aural Alerts ..........................................................................................................229
10.4 PFD Annunciations and Alerting Functions .......................................................230
External Navigator Messages (Optional)............................................................................ 230
CAS Messages (Optional) ................................................................................................. 230
Terrain Annunciations ....................................................................................................... 232
Traffic Annunciations ........................................................................................................ 233
Integrated Autopilot Alerts (Optional) ...............................................................................233
Section 11 Appendices ............................................................................... 235
Appendix A: Data Field Options .................................................................................235
Appendix B: Utilities ...................................................................................................239
Flight Log ......................................................................................................................... 239
Track Log ......................................................................................................................... 241
Heading Line .................................................................................................................... 245
Weight & Balance ............................................................................................................246
EPE Circle ........................................................................................................................ 248
Proximity Waypoints ......................................................................................................... 248
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Table of Contents
Appendix C: SD Card Use and Databases ..................................................................251
Installing and Removing SD Cards ....................................................................................251
G3X Databases ................................................................................................................ 252
Updating G3X Databases ................................................................................................. 255
Appendix D: Map Datum and Location Formats ......................................................259
Map Datums .................................................................................................................... 259
Location Formats .............................................................................................................. 259
Appendix E: General TIS Information ........................................................................261
TIS vs. TAS/TCAS ............................................................................................................... 261
TIS Limitations ................................................................................................................. 261
Appendix F: Abnormal Operation ..............................................................................265
Loss of GPS Position ......................................................................................................... 265
Hazard Display with Loss of GPS Position .......................................................................... 265
G3X System Failure Annunciations .................................................................................... 266
Unusual Attitudes ............................................................................................................. 267
Reversionary Mode (Dual Display) ..................................................................................... 267
Synthetic Vision Troubleshooting ....................................................................................... 268
Appendix G: Display Symbols ....................................................................................269
VFR Symbols .................................................................................................................... 269
IFR Symbols ..................................................................................................................... 270
Airspace Symbols ............................................................................................................. 272
Appendix H: Glossary ..................................................................................................275
Appendix I: License Agreement and Warranty .........................................................281
Contact Garmin................................................................................................................ 281
Software License Agreement ............................................................................................. 281
Limited Warranty .............................................................................................................. 281
AOPA Airport Directory Notice .......................................................................................... 282
XM Satellite Radio Service Agreement ............................................................................... 283
Weather Data Warranty .................................................................................................... 283
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SECTION 1 SYSTEM OVERVIEW
System Overview
Overview
System
The G3X System presents flight instrumentation, position, navigation, communication,
and identification information to the pilot using a single display or multi-display (2 or
3) 7” Wide VGA (800x480) flat-panel color display(s).
1.1 LINE REPLACEABLE UNITS
The system is distributed across the following Line Replaceable Units (LRUs):
• Garmin Display Unit (GDU) 375 (with XM)
Single Display: Split Primary Flight Display (PFD) & Multi Function Display (MFD) –
Multiple Displays: MFD (recommended) –
• GDU 370 (without XM)
Single Display: Split Primary Flight Display (PFD) & Multi Function Display (MFD) –
Multiple Displays: MFD or PFD –
Instruments EIS
Flight
Interface
COM
Navigation
GPS
Planning
Flight
Avoidance
Hazard
Additional
Features
GDU 37X
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Autopilot Annun/Alerts Appendix Index
Integrated
System Overview
• GSU 73
System
Overview
Flight
InstrumentsEIS
COM
Interface
GPS
Navigation
Flight
Planning
Hazard
Avoidance
– Garmin Sensor Unit sub-system for the G3X (Air Data Computer (ADC), Engine/
Airframe Unit, and the Attitude and Heading Reference System (AHRS))
ADC: Processes data from the pitot-static system and outside air tem- –
perature (OAT) sensor.
Engine/Airframe Unit: Receives and processes signals from the engine –
and airframe sensors.
AHRS: Provides aircraft attitude and heading information to the PFD. –
The AHRS contains advanced sensors (including accelerometers and rate
sensors) and interfaces with the Magnetometer to obtain magnetic field
information, with the ADC to obtain air data, and with the GDU to obtain
GPS information. AHRS operation is discussed later in this section.
Features
Additional
AutopilotAnnun/AlertsAppendixIndex
Integrated
• GMU 44
2
GSU 73
– Magnetometer: Measures the local magnetic field and sends data to the AHRS
for processing to determine aircraft magnetic heading. This unit receives power
directly from the AHRS and communicates with it via an RS-485 digital interface.
Garmin G3X Pilot’s Guide
190-01115-00 Rev. D
GMU 44
System Overview
Overview
System
Instruments EIS
Flight
• GTP 59
– Temperature Probe: Provides raw air temperature data.
GTP 59
Interface
COM
Navigation
GPS
Planning
Flight
Avoidance
Hazard
Additional
Features
Integrated
Autopilot Annun/Alerts Appendix Index
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System Overview
GMU 44
Magnetometer
Heading
GSU 73
Garmin Sensor Unit
GDU 370 or 375 (XM)
AHRS
Attitude
Heading
Rate of Tu rn
Slip/Skid
GTP 59
Temperature
Probe
Air Data
Computer
OAT
Airspeed
Altitude
Ve rtical Speed
Engine/Airframe
Unit
Split PFD/MFD
G3X STANDARD PANEL (SINGLE DISPLAY)
System
In the standard ‘single display’ configuration, the Primary Flight Display (PFD) and
Overview
the Multi Function Display (MFD) share a single GDU.
Flight
InstrumentsEIS
COM
Interface
GPS
Navigation
Flight
Planning
Hazard
Avoidance
Features
Additional
AutopilotAnnun/AlertsAppendixIndex
Integrated
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Garmin G3X Pilot’s Guide
G3X Standard Panel
(Single Display)
190-01115-00 Rev. D
System Overview
GMU 44
Magnetometer
Heading
GSU 73
Garmin Sensor Unit
GDU 370 (PFD)
AHRS
Heading
Attitude
Rate of Tu rn
Slip/Skid
GTP 59
Temperature
Probe
Air Data
Computer
OAT
Airspeed
Altitude
Ve rtical Speed
Engine/Airframe
Unit
GDU 375 (MFD)
G3X UPGRADED PANEL (DUAL-DISPLAY)
NOTE:
With the upgraded ‘dual display’ configuration the left GDU is configured as a PFD
and the right GDU is configured as a MFD. The following is an example of a dual
display system using a GDU 370 and a GDU 375; however, two GDU 370s can be used
in a dual display system if XM is not needed.
The G3X System can be configured with more than two displays.
Overview
System
Instruments EIS
Flight
Interface
COM
Navigation
GPS
Planning
Flight
Avoidance
Hazard
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(Dual Display)
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Additional
Features
Integrated
Autopilot Annun/Alerts Appendix Index
System Overview
EXTERNAL NAVIGATORS (OPTIONAL)
System
The G3X can also communicate with the following optional external navigators:
Overview
•SL30Nav/CommTransceiver
Flight
•GNS400/500SeriesUnits
InstrumentsEIS
USING THE G3X WITH AN EXTERNAL GPS NAVIGATOR
WARNING: Do not use the approach information provided by the VFR
COM
Interface
GPS
Navigation
Flight
Planning
Hazard
Avoidance
navigation database residing within the G3X as a means of navigating any
instrument approach. The G3X VFR navigation database is limited to present
only the waypoints for the final approach leg of a published procedure. These
waypoints and associated course line are made available for monitoring
purposes only.
In a configuration which includes one or more external GPS navigators (i.e., GNS
400/500 Series), the G3X displays the selected external GPS Navigator’s flight plan and
guidance information. When using an external GPS navigator with the G3X, changes
to the active flight plan must be entered on the external GPS unit, and the following
G3X functions are disabled:
•Direct-to Key (Section 1.4)
•OBSModeactivationfromtheG3X(i.e.,the‘SetOBSandHold’PFDmenuoption
Features
Additional
is disabled) (Section 2.1)
•VerticalNavigation(Section2.3)
•Flightplanwaypointaddition,deletion,orchange(Section6.1)
AutopilotAnnun/AlertsAppendixIndex
Integrated
•FlightPlanList(LIST)Page(Section6.3)
•Approachselection(ActiveFlightPlan(ACTV)Page)(Section6.6)
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System Overview
Ch a n g i n g t h e na v i g a t i o n So u r C e
Overview
When an external navigator that supports both GPS and VOR/ILS capabilities (i.e.,
GNS 430/530) is selected, the external navigator’s CDI Key is used to switch the G3X
Instruments EIS
HSI between GPS and VOR/ILS navigation.
Se l e C t i o n Be t w e e n Mu l t i p l e na v i g a t o r S
The G3X CDI SRC Softkey (refer to Section 1.7) becomes available when more than
one source of navigation data is configured. The CDI SRC Softkey toggles between
the available navigation sources (e.g., between the internal G3X GPS and external
Interface
SL30 VLOC sources, between an SL30 and a GNS 430, or between two GNS 430s, etc).
Refer to the Flight Instruments section for more information.
Navigation
EXTERNAL GPS NAVIGATOR FAILURE
In the event that all configured external GPS navigators fail, the G3X reverts to it’s
internal VFR GPS for navigation and flight plan modification via the G3X is allowed.
Planning
INTEGRATED AUTOPILOT (OPTIONAL)
Avoidance
The G3X can also communicate with various third-party external autopilot units.
With the Integrated Autopilot configured, the G3X issues pitch and roll steering
commands to the external autopilot unit. Refer to Section 9 (Integrated Autopilot) for
more information.
Features
System
Flight
COM
GPS
Flight
Hazard
Additional
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Integrated
System Overview
1.2 DISPLAY OVERVIEW
System
Overview
Flight
InstrumentsEIS
7” WVGA (800x480)
Color Display
SD Card Slot
Range (RNG) Key
COM
Interface
GPS
Navigation
Flight
Planning
Hazard
Avoidance
Features
Additional
AutopilotAnnun/AlertsAppendixIndex
Integrated
Display Bezel
FMS Joystick
Hardkeys
Softkeys
Display Overview (Single Display-Map Page)
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1.3 SECURE DIGITAL (SD) CARDS
System Overview
Overview
System
NOTE:
Refer to Appendix C for more information on SD Card use and
databases.
The G3X data card slot uses Secure Digital (SD) cards and is located on the upper
right side of the display bezel(s).
Installing an SD Card:
1)
Insert the SD card in the SD card slot with the card contacts facing the
display (the card should be flush with the face of the bezel).
2)
To eject the card, gently press on the SD card to release the spring latch.
SD Card Slot
Instruments EIS
Flight
Interface
COM
Navigation
GPS
Planning
Flight
Avoidance
Hazard
Additional
Features
Display Bezel SD Card Slot
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Autopilot Annun/Alerts Appendix Index
Integrated
System Overview
1.4 G3X CONTROLS
System
Overview
Flight
InstrumentsEIS
COM
Interface
GPS
Navigation
Flight
Planning
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Avoidance
Features
Additional
AutopilotAnnun/AlertsAppendixIndex
Integrated
1
2
3
4
5
6
7
8
9
1
RNG Key Press to increase or decrease the viewing range of the map
Press to increase or decrease the HSI Scale on the PFD or PFD Page
2
FMS
Joystick
Press the FMS Joystick to toggle input focus between user
interaction with the current page and the page navigation bar
Turn the FMS Joystick clockwise to access a drop down menu
within the highlighted field
Turn the FMS Joystick to change the selected value within the
highlighted field
Move the FMS Joystick (up, down, left, or right) to highlight a field
Move the FMS Joystick (up, down, left, right, or diagonally) to move
the map pointer
With the HDG
or HDG/ROLL
Softkey selected, press and hold the
FMS Joystick to sync to the current heading
With the appropriate autopilot mode selected, move the FMS
Joystick (up/down) to adjust the mode reference for Vertical Speed,
Altitude Hold, and Pitch Hold modes, or move the FMS Joystick to
decrease the mode reference for Roll Hold mode.
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System Overview
3
ENT Key Press to confirm menu selection or data entry
Press to acknowledge messages
Press and hold to mark a waypoint
4
CLR Key Press to cancel an entry, revert to the previous value in a data entry
field or remove menus
Press and hold to return to the default page
5
MENU Key Press once to view the Page Menu
Press twice to view the Main Menu
Press a third time to clear the Main Menu
6
FPL Key Press to display the Flight Plan Page
7
Direct-To
Key
8
NRST Key Press to display the Nearest Page for viewing the nearest airports,
Press to activate the Direct-To function, enter a destination
waypoint and establish a direct course to the selected destination
intersections, NDBs, VORs, waypoints, frequencies, and airspaces
9
Softkey
Press to select softkey shown above the bezel key on the display
Selection
Keys
Overview
System
Instruments EIS
Flight
Interface
COM
Navigation
GPS
Planning
Flight
Avoidance
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Features
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Autopilot Annun/Alerts Appendix Index
Integrated
System Overview
1.5 SYSTEM POWER-UP
System
Overview
During system initialization, the AHRS displays the message ‘AHRS ALIGN, KEEP
WINGS LEVEL’ over the attitude indicator. The AHRS should display valid attitude and
heading fields typically within the first minute of power-up. The AHRS can align itself
Flight
InstrumentsEIS
both while taxiing and during level flight.
COM
Interface
GPS
Navigation
Flight
Planning
System Initialization
Current database information is also displayed during power-up including valid
operating dates, cycle number, and database type. When this information has been
reviewed for currency (to ensure that no databases have expired), the pilot is prompted
Hazard
Avoidance
to continue.
Pressing the ENT Key acknowledges this information.
Features
Additional
AutopilotAnnun/AlertsAppendixIndex
Integrated
Database Information
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Garmin G3X Pilot’s Guide
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1.6 SYSTEM OPERATION
System Overview
Overview
System
This section discusses normal and reversionary G3X display operation, G3X System
Annunciations, and AHRS Operation.
DISPLAY OPERATION
In normal operating mode, the PFD presents graphical flight instrumentation
(attitude, heading, airspeed, altitude, vertical speed), replacing the traditional flight
instrument cluster.
• Single Display
The single display PFD occupies the top portion of the display at all times, and –
a full display PFD can be accessed by navigating to the PFD Page (see Section
1.7, Accessing System Functionality).
The single display MFD occupies the bottom portion of the display. –
Instruments EIS
Flight
Interface
COM
Navigation
GPS
Planning
Flight
Avoidance
Hazard
Additional
Features
G3X Single Display Normal Mode
• Dual Display (Normal Mode)
In normal mode the Dual Display system has a dedicated PFD and MFD. –
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Integrated
System Overview
System
Overview
Flight
InstrumentsEIS
COM
Interface
G3X Dual Display Normal Mode
GPS
Dual Display (• Reversionary Mode)
Navigation
In the event of a display failure, the G3X System automatically switches to
reversionary (backup) mode. In reversionary mode, all flight information is presented
Flight
Planning
on the remaining display in the same format as the Single Display system.
If a display failure occurs with the GDU 375, the WX and XM Pages will no longer
Hazard
be available since the XM receiver resides in the GDU 375.
Avoidance
Features
Additional
AutopilotAnnun/AlertsAppendixIndex
Integrated
G3X Dual Display Reversionary Mode (Failed PFD)
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