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Table Of Contents. Table of Contents. Previous Page. Next Page. Garmin G3X Installation Manual pages. Page 2 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 and Page 3 Added multiple sensor note and power supply table A A.

Consequently the G3X system is not type-certificated and is not suitable for installation in type-certificated aircraft. Page 7 C. C-2 C.

C C Example Magnetometer Shelf C C Magnetometer Shelf with Layup Page 11 G G-4 H H-1 H H-2 I I-1 J Within the applicable period, Garmin will, at its sole option, repair or replace any components that fail in normal use. Page Installation Overview Carefully unpack the equipment and make a visual inspection of the unit for evidence of damage incurred during shipment.

If any component of the G3X system is damaged, notify the carrier and file a claim. To justify a claim, save the original shipping container and all packing materials. Do not return any equipment to Garmin until the carrier has authorized the claim. Page System Overview The system combines primary flight instrumentation, aircraft systems instrumentation, and navigational information, all displayed on one, two, or three color screens.

LRUs have a modular design and can be installed directly behind the instrument panel or in a separate avionics bay if desired.

Page 19 1. Page 20 These waypoints and associated course line are made available for monitoring purposes only. Page General Lru Specifications Vdc 0. Page Physical Specifications 1. Page Installation Requirements 1. Non-Garmin part numbers shown are not maintained by Garmin and consequently are subject to change without notice. Page 25 Figure or Figure Figure Page 26 Connector kits include backshell assemblies. The backshell assembly houses the configuration module and a thermocouple reference junction if applicable, see Appendix D.

Page Environmental Specifications Table Refer to Section 1. Connector kits include backshell assemblies. Periodic maintenance of the GDU 37X is not required.

Page Panel Cutout Template 5. Page Equipment Description Figure GMU 44 Unit View 3. Page Environmental Specifications DOA to demonstrate compliance for the verification and validation of the computer software. Page Installation Requirements Considerations document available from the Garmin website www. The guidelines include requirements for proper location selection in the aircraft, requirements for supporting structure and mechanical alignment and restriction on nearby equipment.

Page 36 The heading offset procedure is described in Section 8. It is strongly preferred that the GMU 44 alignment is within 0. The GMU 44 magnetometer has an attached pigtail with male polarity.

The harness connector for the GMU 44 has female polarity. Page Maintenance If the GMU 44 is ever removed, the anti-rotation properties of the mounting screws must be restored. This may be done by replacing the screws with new Garmin PN If original screws must be re-used, coat screw threads with Loctite blue thread-locking compound, Garmin PN , or equivalent.

The GSU 73 is intended to be used as a part of the G3X system and it is not suitable for installation in type-certificated aircraft. Page 40 Power Input 0. Page G3X Installation Manual — Page 42 Connector kits include backshell assemblies. The backshell assembly houses the configuration module P only and a thermocouple reference junction if applicable.

Page 43 3. Use care to avoid getting fluids or particles anywhere within the pitot and static lines connected to the GSU The installer must fabricate any additional mounting equipment needed. Use outline and installation drawings in Appendix D for reference.

Page 44 Mount the GSU 73 with the connectors aligned within 1. The direction of the unit will be accounted for during the calibration procedure as shown in Figure Page 45 4.

Connect backshell connector and hoses. Page 46 , , and every five years thereafter, so long as the GSU 73 remains a Garmin —supported product. Page Installation Requirements Figure GTP 59 5. The temperature input device is a three-wire temperature probe interface.

Page Installation Considerations 4. Cut the OAT Probe cable 2 to the required length. Strip back 2. Trim away enough to leave 0. Probe Wiring Detail for wiring and mounting instructions. Periodic maintenance of the GTP 59 is not required. Garmin recommends the antennas shown in Tables and Table GPS Antennas Page Garmin Xm Antennas Other antennas may be acceptable but their installation is not covered by this manual. There are several critical factors to take into consideration before installing an antenna for a satellite communications system.

These factors are addressed in the following sections. If a COM antenna is found to be the problem, a 1. The separating requirement includes the combination with an XM antenna element as well. Page 56 Figure shows the recommended placement of antennas. Page 57 Modifications of this sort are not recommended or inferred by Garmin or the installation of the G3X, and the installer should seek the guidance of the kit manufacture for such modifications.

Page Antenna Grounding Plane The bottom of the antenna does not need to make contact with the ground plane i. The antenna will capacitively couple to the ground plane beneath the paint or aircraft cover. Page Teardrop Footprint Antenna Installation Ga 55 And Ga 56 This section describes the structural mounting of the teardrop footprint antenna installation.

Another acceptable method is to fabricate and install one of three doublers Figure , Figure , and Figure , depending on the thickness of the skin. These sealants may damage the electrical connections to the antenna. Use of these type sealants may void the antenna warranty. Page 61 6. Page 62 Figure Page 63 Figure Page 64 Figure Page 65 Figure Page 67 4. Locking nuts are required to secure the antenna locking nuts installed on doubler.

Torque should be applied evenly across all mounting studs to avoid deformation of the mounting area.

 

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Page Ground Mode Transponder Data Box, and all transponder replies requesting altitude information are provided with pressure altitude information.

The route line represents the course. Compass Arc Rev. Page Map Panning Map Pointer position, a green arrow will appear in the information box. Turning the FMS Joystick will cycle through the list of map features present at that position.

Page Waypoints The pilot can manually enter the identifier or the G3X will choose the most appropriate identifier based on the current position and phase of flight. The Airport Criteria Window is displayed. Turn or move the FMS Joystick to highlight the desired airport weather.

If there are no nearest VORs in the list, the information and frequency fields are dashed. If deleting all user waypoints, go to Step 4.

Page Automatic Waypoint Selection The automatic selection will not resume until such time that the manually entered waypoint and the automatically selected waypoint coincide does not apply if the CHART Softkey is selected.

Airspaces at all other altitudes are de-emphasized. Page 4 Press the Direct-to Key to display the Direct-to Window with the selected point entered as the direct-to destination. If a flight plan is still active, the system resumes navigating the flight plan. Page Section 6 Flight Planning usually from final approach fix to missed approach point of the published approach is available if an external navigator i.

Page 7 Repeat steps 4 and 5 to enter each additional flight plan waypoint. The new flight plan is now in the list. A copy of the flight plan is stored in the next available position in the flight plan list on the Flight Plan List Page. The new waypoint is placed directly in front of the highlighted waypoint. Page 5 With the desired flight plan leg highlighted blue , press the ENT Key the flight plan leg turns magenta.

This will split the flight plan leg. If an approach is loaded when another approach is already in the active flight plan, the new approach replaces the previous approach. The map shows an extension of the final approach course using a bold magenta line. Press the ENT Key to acknowledge this information. Page Activating Services Due to the inherent delays and the relative age of the data, it should be used for long-range planning purposes only.

Rather, use it in an early-warning capacity of pre-departure and enroute evaluation. Page Echo Tops at or above the altitude you select are displayed, in 5, foot increments up to 70, ft. Echo Tops can be helpful in determining the severity of thunderstorms. Page Winds Aloft A short wind flag is 5 knots, a long wind flag is 10 knots, and a triangle flag is 50 knots.

Page A strike icon represents a strike that has occurred within a two-kilometer region and within the last seven minutes. The exact location of the lightning strike is not displayed. Page Freezing Levels Turbulence is classified as light, moderate, severe, or extreme.

Turbulence Forecast Legend Rev. Forecasts are available for intervals of 12, 24, 36, and 48 hours. It is a widely-used MSL altitude source. G Softkeys to toggle between views split-screen only. Disabling terrain alerts is only temporary. Terrain alerts are automatically enabled when the unit is powered on.

Arrows indicate the terrain is outside the Synthetic Vision field of view. Page Attitude Indicator for five seconds and remains displayed until no TAs are detected in the area.

Page Arrows are depicted on the traffic message if traffic is outside the Synthetic Vision field of view. The arrow points in the direction of the traffic. NOTE: The Traffic Warning Window is disabled when the aircraft ground speed is less than 30 knots or when on the approach leg of a route. It enhances flight crew situational awareness by displaying traffic information for transponder-equipped aircraft.

The system also provides visual and aural traffic alerts including voice announcements to assist in visually acquiring traffic. Page TA criteria. A Traffic Advisory that is beyond the selected display range off scale is indicated by a half TA symbol at the edge of the screen at the relative bearing of the intruder.

Page Intruder closing rate provides less than 30 seconds of horizontal separation and vertical separation is within feet. Intruder range is within 0. Intruder range is less than 20 seconds. When a flight ID is received, it will appear above or below the corresponding traffic symbol on the Traffic Map Page when this option is enabled. Page Traffic Page The traffic mode and altitude display mode are annunciated in the upper left corner of the page.

Page Section 8 Additional Features FBO phone numbers, hours of operation, local attractions, ground transportation, lodging, and services. The optional SiriusXM Radio entertainment audio feature offers more than channels of music, news, and sports. Page Synthetic Vision Svx Navigation must not be predicated solely upon the use of the terrain or obstacle data displayed by Synthetic Vision. Pathways boxes are not displayed for segments such as heading legs or VOR radials.

Page The Zero Pitch Line is drawn completely across the display and represents the aircraft attitude with respect to the horizon.

It may not align with the terrain horizon, particularly when the terrain is mountainous or when the aircraft is flown at high altitudes. Page Airport Signs All runway thresholds are depicted at their respective elevations as defined in the database. In some situations, where threshold elevations differ significantly, crossing runways may appear to be layered. Page In these cases, the conflict is outside the Synthetic Vision field of view and the alert will have arrows indicating the direction of the alert.

Page Arrows indicate the obstacle is outside the Synthetic Vision field of view. Page earth or blue sky colored bar at the top or bottom of the screen is displayed to prevent the pilot from losing sight of the horizon. The SafeTaxi database is provided by Garmin. Refer to Appendix C for instructions on updating the SafeTaxi database. The charts are displayed with high-resolution and in color for applicable charts.

FliteCharts database subscription is available from Garmin. The Aircraft Not Shown Icon may appear at certain times, even if the chart is displayed to scale. Page Chart Range Rev. Press it again to Scroll Arrow Scroll The Airport Information Window is displayed.

The Category Field is highlighted. VOL — Rev. Page Electronic Checklists Optional 1, files whichever comes first. The data files stored on the SD card have an extension of. This file format can be opened using a spread sheet application on a personal computer.

Page G3X Autopilot Status Box When the external autopilot unit is engaged but it is operating in a standalone mode i. Page Lateral modes are displayed in the center, and vertical modes are displayed on the right. Armed modes are displayed in white and active in green. Page Integrated Autopilot Modes If after 10 seconds no action is taken, the flashing annunciation stops.

The Vertical Speed Reference is also displayed on the vertical speed indicator with a light blue vertical speed bug whenever Vertical Speed mode is active.

Page to the nearest fpm is established as the new Vertical Speed Reference. The baro minimums feature can still be used as a reminder to check altitude when approaching the MDA.

The armed annunciation appears in white to the left of the active lateral mode. If not, press the CDI Key. Page Approaches Without Vertical Guidance annunciated in white. G Integrated Autopilot. The HSI should automatically slew the needle to the correct course.

All MapSource maps are not accessible. Internal problem with the system. Contact your dealer or Garmin Product Support to have the unit repaired. A reminder for switching fuel tanks. The reminder message repeats at the specified interval after the beginning of each trip. Page Airspace Messages The projected course takes you inside an airspace within the next 10 minutes or less.

Within two nautical miles of an airspace but not projected to enter it. The Info Page will stop flashing, but remain yellow until the message is resolved. The GDU has encountered unexpected configuration settings. The G3X system should be serviced. The PFD config module is not connected. Page GSU 73 software update. The GSU temperature is too low.

If the problem persists, the G3X system should be serviced. Send your GDU in for service. The magnetic calibration is incomplete or improperly calibrated.

Repeat the magnetic calibration. Page If the problem persists, the G3X system should be serviced. Not receiving RS data from integrated autopilot unit. Page The G3X internal flight plan is being used for navigation. Page Environmental Specifications Table Refer to Section 1. Connector kits include backshell assemblies. Periodic maintenance of the GDU 37X is not required. Page Panel Cutout Template 5.

Page Equipment Description Figure GMU 44 Unit View 3. Page Environmental Specifications DOA to demonstrate compliance for the verification and validation of the computer software. Page Installation Requirements Considerations document available from the Garmin website www.

The guidelines include requirements for proper location selection in the aircraft, requirements for supporting structure and mechanical alignment and restriction on nearby equipment.

Page 36 The heading offset procedure is described in Section 8. It is strongly preferred that the GMU 44 alignment is within 0. The GMU 44 magnetometer has an attached pigtail with male polarity.

The harness connector for the GMU 44 has female polarity. Page Maintenance If the GMU 44 is ever removed, the anti-rotation properties of the mounting screws must be restored. This may be done by replacing the screws with new Garmin PN If original screws must be re-used, coat screw threads with Loctite blue thread-locking compound, Garmin PN , or equivalent. The GSU 73 is intended to be used as a part of the G3X system and it is not suitable for installation in type-certificated aircraft.

Page 40 Power Input 0. Page G3X Installation Manual — Page 42 Connector kits include backshell assemblies. The backshell assembly houses the configuration module P only and a thermocouple reference junction if applicable. Page 43 3. Use care to avoid getting fluids or particles anywhere within the pitot and static lines connected to the GSU The installer must fabricate any additional mounting equipment needed. Use outline and installation drawings in Appendix D for reference. Page 44 Mount the GSU 73 with the connectors aligned within 1.

The direction of the unit will be accounted for during the calibration procedure as shown in Figure Page 45 4. Connect backshell connector and hoses. Page 46 , , and every five years thereafter, so long as the GSU 73 remains a Garmin —supported product.

Page Installation Requirements Figure GTP 59 5. The temperature input device is a three-wire temperature probe interface. Page Installation Considerations 4. Cut the OAT Probe cable 2 to the required length. Strip back 2. Trim away enough to leave 0. Probe Wiring Detail for wiring and mounting instructions.

Periodic maintenance of the GTP 59 is not required. Garmin recommends the antennas shown in Tables and Table GPS Antennas Page Garmin Xm Antennas Other antennas may be acceptable but their installation is not covered by this manual. There are several critical factors to take into consideration before installing an antenna for a satellite communications system. These factors are addressed in the following sections. If a COM antenna is found to be the problem, a 1. The separating requirement includes the combination with an XM antenna element as well.

Page 56 Figure shows the recommended placement of antennas. Page 57 Modifications of this sort are not recommended or inferred by Garmin or the installation of the G3X, and the installer should seek the guidance of the kit manufacture for such modifications.

Page Antenna Grounding Plane The bottom of the antenna does not need to make contact with the ground plane i. The antenna will capacitively couple to the ground plane beneath the paint or aircraft cover. Page Teardrop Footprint Antenna Installation Ga 55 And Ga 56 This section describes the structural mounting of the teardrop footprint antenna installation.

Another acceptable method is to fabricate and install one of three doublers Figure , Figure , and Figure , depending on the thickness of the skin.

These sealants may damage the electrical connections to the antenna. Use of these type sealants may void the antenna warranty. Page 61 6. Page 62 Figure Page 63 Figure Page 64 Figure Page 65 Figure Page 67 4. Locking nuts are required to secure the antenna locking nuts installed on doubler. Torque should be applied evenly across all mounting studs to avoid deformation of the mounting area.

Page 68 6. Page 69 Figure Page 70 Figure Page 71 Figure Page 72 Figure Page 73 Figure Page 74 Figure Page 76 Figure shows the non-structural mounting of the antenna under the glareshield, with the bracket assembly shown in Figure Page 77 Figure Page 79 Section 6.

Follow the applicable gasketing and sealant instructions in Section 6. Page 80 0. Page 84 6. In a two-display system hold down softkey 1 on the PFD. Page Main Configuration Page 7. This page has no user-selectable options. Press the FMS Joystick to move the cursor to the page selection menu when finished. Page 89 4.

To edit or delete a station, highlight the desired station, then press the edit or delete softkey. Page 92 Input Type—Sets the aircraft lighting bus voltage for either 12 or 24V input to match the aircraft lighting bus voltage.

Time Constant—Adjusts the speed in seconds , that the brightness level responds to changes in the input voltage level. Options are Default, Alternate 1, and Alternate 2. Allows the G3X to display a Go To or route selected on the panel mount unit, which eliminates the need to enter the destination on both units. The tool and instructions needed to import the files into Google Earth are available from the G3X Product Page found on the Garmin website www.

Page Garmin Database Updates 3. Upon turn-on, a screen appears which lists the databases on the SD card. A green checkbox indicates that the database already installed on the G3X is up to date, an empty checkbox indicates that the database on the SD card is more current and should be installed.

Page Available Databases Jeppesen Sanderson. Terrain The terrain database contains the elevation data which represents the topography of the earth. This database is updated on an irregular basis. Used to look up taxi services, plan an overnight stay, and choose fuel stops; plus find ground transportation, lodging, restaurants, local attractions, etc. This database is updated on a 56 day cycle, and has no expiration date. Hook up the aircraft to external power if available.

The complete activation process may take 60 minutes or more, depending on the demand on the XM activation system. Power on the avionics and allow the G3X to power up. Do not power cycle the unit s during the activation process. Page Checklist Editor 7. Click on the Software link on the G3X product page and follow the on-screen instructions to download the checklist editor software. Each of the sensors must be correctly installed Section 8.

Page Engine Sensor Installation 8. Refer to Sensor Interface drawing Figure H Refer to Sensor Interface drawing Figure I Page Table Page Figure Page 8. Exhaust Pipe Drilled Figure Page 5.

Safety-wire the probe to the engine case as appropriate. Secure the connector and wire assembly to an appropriate location in the engine compartment to provide strain relief. Refer to Rotax Installation Instructions for complete installation details. Page 3. Install the sensor into the port Figure Do not over-tighten.

Page Sensor Description — Type K grounded thermocouple probe with screw-in type adapter. This type of sensor is applicable to all turbocharged engines. Page GSU If the ammeter readings are shown with the opposite polarity, check to see if the sense wire connections are reversed. Page Fuel Flow 4. Some Floscan fuel flow sensors come with a tag that lists the K factor number measured during unit calibration see Figure Page 2.

Install a very small amount of thread lubricant on the probe threads and insert into the carburetor Figure Press the Save softkey to store settings or press the Cancel softkey to cancel changes and return to the Engine Configuration Page. Page Cap capacitive Fuel Inputs described in the following pages of this section. See drawings in Appendix G for details on adding resistors required this configuration.

Page Fuel 1 Input or Fuel 2 Input selection may delete the calibration data. Select engine type also normally-aspirated or turbocharged from the pull-down list. Engine power requires data from RPM, manifold pressure, and fuel flow. Page The standard value of RPM is used as a default setting for 1 hour of engine time i. This value can be changed on the Engine Time Configuration Page shown below. Page The greater number of calibration points that are used maximum of 50 points , the more accurate the calibration will be.

This data storage must be repeated for each calibrated tank if backup is desired. Page Factor must generally be adjusted up or down to increase the accuracy of the fuel flow calibration. If the fuel usage reported by the G3X differs from the actual fuel usage, as measured at the fuel pump or other trusted method of measurement , use the following formula to calculate a corrected K-Factor, which can then be used to calibrate the fuel flow.