Garmin GTN 625Xi, GTN 635Xi, GTN 650Xi, GTN 750Xi, GTN 725Xi User manual

GTN Xi Part 27 AML STC

Maintenance Manual

Contains Instructions for Continued Airworthiness for STC SR02120SE

Aircraft make, model, registration number, and serial number, along with the applicable STC configuration information, must be completed in Appendix A and saved with aircraft permanent records.

190-01007-D1

January 2020

Revision 1

© 2020

Garmin International, Inc., or its subsidiaries All Rights Reserved

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 prior written consent 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 and to print one copy of this manual or of any revision hereto, 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.

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190-01007-D1	GTN Xi Part 27 AML STC Maintenance Manual
Rev. 1	Page A

		RECORD OF REVISIONS
Revision	Revision Date	Description
1	01/29/20	Initial release.

190-01007-D1	GTN Xi Part 27 AML STC Maintenance Manual
Rev. 1	Page B

INFORMATION SUBJECT TO EXPORT CONTROL LAWS

This document may contain information that is subject to the Export Administration Regulations (EAR) issued by the United States Department of Commerce (15 Code of Federal Regulations (CFR),

Chapter VII, Subchapter C) and may not be exported, released, or disclosed to foreign nationals inside or outside of the United States without first obtaining an export license. Include this notice with any reproduced portion of this document.

The information in this document is subject to change without notice. Visit Garmin’s Dealer Resource Center for current updates and supplemental information concerning the operation of Garmin products.

DEFINITIONS OF WARNINGS, CAUTIONS, AND NOTES

WARNING

Warnings indicate that injury or death is possible if the instructions are disregarded.

CAUTION

Cautions indicate that damage to the equipment is possible.

NOTE

Notes provide additional information.

WARNING

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 website at www.garmin.com/prop65.

CAUTION

GTN Xi units have a special anti-reflective coated display that is sensitive to waxes and abrasive cleaners. CLEANERS CONTAINING AMMONIA WILL HARM THE ANTIREFLECTIVE COATING. It is important to clean the display using a clean, lint-free cloth with a cleaner that is safe for anti-reflective coatings.

NOTE

All screen shots used in this document are current at the time of publication. Screen shots are intended to provide visual reference only. All information depicted in screen shots, including software file names, versions, and part numbers, is subject to change and may not be up-to-date.

190-01007-D1	GTN Xi Part 27 AML STC Maintenance Manual
Rev. 1	Page i

		TABLE OF CONTENTS
1	INTRODUCTION .............................................................................................................................			1-1
	1.1	Content, Scope, and Purpose .....................................................................................................		1-2
	1.2	Organization ..............................................................................................................................		1-2
	1.3	Definitions and Abbreviations ..................................................................................................		1-3
	1.4	Publications ...............................................................................................................................		1-4
	1.5	Distribution ................................................................................................................................		1-4
2	SYSTEM DESCRIPTION ................................................................................................................			2-1
	2.1	Equipment Descriptions ............................................................................................................		2-2
	2.2	Backplate Connectors ................................................................................................................		2-4
	2.3	GTN Xi Optional Interfaces ......................................................................................................		2-6
	2.4	GTN Xi Block Diagram ............................................................................................................		2-7
3	CONTROL AND OPERATION ......................................................................................................			3-1
	3.1	GTN Xi Normal Mode Overview .............................................................................................		3-2
	3.2	Software Loading ......................................................................................................................		3-3
	3.3	GTN Xi Configuration Mode Overview ...................................................................................		3-9
	3.4	Database Updates ....................................................................................................................		3-20
4 INSTRUCTIONS FOR CONTINUED AIRWORTHINESS				........................................................4-1
	4.1	Airworthiness Limitations .........................................................................................................		4-2
	4.2	Servicing Information ...............................................................................................................		4-2
	4.3	Maintenance Intervals ...............................................................................................................		4-3
	4.4	Visual Inspection .......................................................................................................................		4-5
	4.5	Electrical Bonding Test .............................................................................................................		4-7
	4.6	Overhaul Period .......................................................................................................................		4-10
	4.7	Special Inspection Requirements ............................................................................................		4-10
	4.8	Data Relative to Structural Fasteners ......................................................................................		4-10
5	TROUBLESHOOTING ...................................................................................................................			5-1
	5.1	GTN Xi General Troubleshooting .............................................................................................		5-2
	5.2	GTN Xi Failure Annunciations .................................................................................................		5-5
	5.3	GTN Xi System Messages ........................................................................................................		5-6
	5.4	Flight Stream Troubleshooting ................................................................................................		5-23
	5.5	GMA 35 Troubleshooting .......................................................................................................		5-24
	5.6	GMA 35 Failure Annunciations ..............................................................................................		5-25
	5.7	GMA 35 System Messages .....................................................................................................		5-25
6 EQUIPMENT REMOVAL AND RE-INSTALLATION ..............................................................				6-1
	6.1	GTN Xi ......................................................................................................................................		6-2
	6.2	GMA 35 .....................................................................................................................................		6-6
	6.3	Data Card/Flight Stream 510 .....................................................................................................		6-9
	6.4	GPS/WAAS Antenna ................................................................................................................		6-9
	6.5	NAV Antenna Cable Diplexer ................................................................................................		6-10
	6.6	NAV Antenna Cable Splitter ...................................................................................................		6-10
	6.7	Configuration Module (P1001 Only) ......................................................................................		6-11
	6.8	GTN Xi Fan .............................................................................................................................		6-14
	6.9	Instrument Panel Bonding Strap .............................................................................................		6-17
7 EQUIPMENT CONFIGURATION AND TESTING ....................................................................				7-1
	7.1	GTN Xi ......................................................................................................................................		7-2
	7.2	GMA 35 .....................................................................................................................................		7-7
	7.3	Interfaced Equipment ..............................................................................................................		7-12
	7.4	Enabled Features .....................................................................................................................		7-19
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Rev. 1				Page ii

7.5	Configuration Module .............................................................................................................	7-21
8 RETURN TO SERVICE PROCEDURE ........................................................................................		8-1
8.1	Maintenance Records ................................................................................................................	8-1
APPENDIX A AIRCRAFT-SPECIFIC INFORMATION ................................................................		A-1

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Rev. 1	Page iii

	LIST OF FIGURES
Figure 2-1	GMA 35 Connector Layout Detail - Rear View ..................................................................	2-4
Figure 2-2	GMA 35c Bluetooth Connector Layout Detail - Front View ..............................................	2-4
Figure 2-3	GTN 6XX Xi Connector Layout Detail - Rear View ..........................................................	2-5
Figure 2-4	GTN 7XX Xi Connector Layout Detail - Rear View ..........................................................	2-5
Figure 2-5	GTN Xi System Interface Diagram .....................................................................................	2-7
Figure 3-1	GTN 6XX Xi Normal Mode Screen ....................................................................................	3-2
Figure 3-2	GTN 7XX Xi Normal Mode Screen ....................................................................................	3-2
Figure 3-3	Software Update Installer .....................................................................................................	3-3
Figure 3-4	System and Software Version ..............................................................................................	3-4
Figure 3-5	Software Loader Card License Agreement ..........................................................................	3-4
Figure 3-6	Software Loader Card Drive ................................................................................................	3-5
Figure 3-7	Software Loader Card Progress Window .............................................................................	3-5
Figure 3-8	Software Loader Card Completion ......................................................................................	3-6
Figure 3-9	GTN 6XX Xi and GTN 7XX Xi Configuration Mode Pages ..............................................	3-9
Figure 3-10	System Information Page ...................................................................................................	3-11
Figure 3-11	GTN Setup Page .................................................................................................................	3-12
Figure 3-12	GTN Options Pages ...........................................................................................................	3-14
Figure 3-13	Terrain Configuration Page ................................................................................................	3-15
Figure 3-14	Chart Configuration Page ...................................................................................................	3-16
Figure 3-15	COM Transmit Power Configuration Page ........................................................................	3-16
Figure 3-16	Search and Rescue Configuration Page .............................................................................	3-17
Figure 3-17	GTN 6XX Xi and 7XX Xi GTN Diagnostics Pages ..........................................................	3-18
Figure 5-1	Failure Example ...................................................................................................................	5-5
Figure 5-2	GMA 35 Failure Annunciation ..........................................................................................	5-25
Figure 6-1	GTN 6XX Xi Mounting Rack Assembly (GTN 650Xi Installation Shown) .......................	6-3
Figure 6-2	GTN 7XX Xi Mounting Rack Assembly (GTN 750Xi Installation Shown) .......................	6-4
Figure 6-3	GMA 35 Mounting Rack Assembly Overview ....................................................................	6-7
Figure 6-4	GMA 35c Mounting Rack Assembly Overview ..................................................................	6-8
Figure 6-5	Backshell Assembly (Potted Configuration Module) ........................................................	6-12
Figure 6-6	Backshell Assembly (Configuration Module with Spacer) ...............................................	6-13
Figure 6-7	Fan/Backplate Orientation (GTN 7XX Xi) ........................................................................	6-14
Figure 6-8	Fan Wiring Replacement ...................................................................................................	6-16
Figure 7-1	Audio Panel Page .................................................................................................................	7-7
Figure 7-2	Main Indicator (Analog) Configuration Page ....................................................................	7-12
Figure 7-3	VOR/LOC/GS Configuration Page ....................................................................................	7-13
Figure 7-4	XPDR() Configuration Page ..............................................................................................	7-15
Figure 7-5	Audio Configuration Page .................................................................................................	7-19
Figure 7-6	Terrain Configuration Page ................................................................................................	7-19

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Rev. 1	Page iv

	LIST OF TABLES
Table 1-1	Recommended Documents ..................................................................................................	1-4
Table 3-1	GTN Xi Database Summary ..............................................................................................	3-20
Table 4-1	Maintenance Intervals for Equipment Installed Under this STC .........................................	4-3
Table 4-2	Maintenance Intervals for Antennas Installed Under this STC ...........................................	4-4
Table 4-3	Rotorcraft-Specific Maintenance Schedule .........................................................................	4-4
Table 5-1	GTN Xi Troubleshooting Guide ..........................................................................................	5-2
Table 5-2	Alert Text Troubleshooting Guide .......................................................................................	5-6
Table 5-3	COM Alert Troubleshooting Guide .....................................................................................	5-8
Table 5-4	GPS/WAAS Alert Troubleshooting Guide ..........................................................................	5-9
Table 5-5	VLOC/GS Alert Troubleshooting Guide ...........................................................................	5-11
Table 5-6	Remote Transponder Alert Troubleshooting Guide ...........................................................	5-12
Table 5-7	Traffic Alert Troubleshooting Guide .................................................................................	5-14
Table 5-8	Datalink Alert Troubleshooting Guide ..............................................................................	5-15
Table 5-9	HTAWS Alert Troubleshooting Guide ..............................................................................	5-16
Table 5-10	Third-Party Sensor Alert Troubleshooting Guide ..............................................................	5-17
Table 5-11	Database Alert Troubleshooting Guide ..............................................................................	5-18
Table 5-12	VNAV Alert Troubleshooting Guide .................................................................................	5-19
Table 5-13	Import-Related Alert Troubleshooting Guide ....................................................................	5-20
Table 5-14	Flight Stream Troubleshooting ..........................................................................................	5-23
Table 5-15	GMA 35 Troubleshooting ..................................................................................................	5-24
Table 5-16	Remote Audio Panel Alert Troubleshooting Guide ...........................................................	5-25
Table 6-1	Self-Test Values ...................................................................................................................	6-5
Table 6-2	Configuration Module Wire Color Reference Chart ..........................................................	6-11
Table 6-3	Configuration Module Kit P/N 011-00979-03 (P1001) .....................................................	6-12
Table 6-4	Configuration Module Kit P/N 011-00979-00 (P1001) .....................................................	6-13
Table 6-5	Fan Kit ................................................................................................................................	6-15
Table 6-6	Fan Cable Wire Color Reference Chart .............................................................................	6-15
Table 7-1	Configuration and Checkout Procedures .............................................................................	7-2
Table 7-2	Summary of COM RX Squelch Settings and Auto Squelch Levels ....................................	7-5
Table 7-3	COM Carrier Squelch Selections .........................................................................................	7-6
Table 7-4	COM Carrier Squelch Selections .........................................................................................	7-6

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Rev. 1	Page v

1	INTRODUCTION
1.1	Content, Scope, and Purpose ............................................................................................................	1-2
1.2	Organization......................................................................................................................................	1-2
1.3	Definitions and Abbreviations ..........................................................................................................	1-3
1.4	Publications.......................................................................................................................................	1-4
1.5	Distribution .......................................................................................................................................	1-4

190-01007-D1	GTN Xi Part 27 AML STC Maintenance Manual
Rev. 1	Page 1-1

1.1 Content, Scope, and Purpose

This document provides Instructions for Continued Airworthiness (ICA) and Maintenance Manual (MM) for the GTN Xi and GMA 35 as installed under STC SR02120SE. This document satisfies the requirements for continued airworthiness, as defined by 14 CFR Part 27.1529 and 14 CFR Part 27 Appendix A. Information in this document is required to maintain the continued airworthiness of the GTN Xi, GMA 35, and Flight Stream 510.

1.2 Organization

The following outline briefly describes the organization of this manual:

Section 2: System Description

Provides a description of the equipment installed by STC SR20120SE. An overview of the GTN Xi, GMA 35, and Flight Stream 510 system interfaces are provided.

Section 3: Control and Operation

Presents basic control and operation information related to maintenance of the GTN Xi, GMA 35/35c, and Flight Stream 510.

Section 4: Instructions for Continued Airworthiness

Provides Instructions for Continued Airworthiness of the GTN Xi, GMA 35, and Flight Stream 510 systems.

Section 5: Troubleshooting

Provides troubleshooting information to aid in diagnosing and resolving potential problems with the GTN Xi, GMA 35, and Flight Stream 510 equipment.

Section 6: Equipment Removal and Re-installation

Provides instructions for the removal and re-installation of the GTN Xi, GMA 35, and Flight Stream 510 equipment.

Section 7: Equipment Configuration and Testing

Provides instructions for configuration and testing of the GTN Xi, GMA 35, and Flight Stream 510 equipment.

Section 8: Return to Service Procedure

Specifies return to service procedures required after completion of maintenance of the GTN Xi, GMA 35, and Flight Stream 510 equipment.

Appendix A: Aircraft-Specific Information

Provides a form to record aircraft-specific installation and configuration data for the GTN Xi, GMA 35, and Flight Stream 510 equipment.

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1.3 Definitions and Abbreviations

Except where specifically noted, references made to the GMA 35 will apply to the GMA 35c. The following terminology is used within this document:

AC	Alternating Current	LOI	Loss of Integrity
ADS-B	Automatic Dependent Surveillance	LRU	Line Replaceable Unit
	Broadcast
AGC	Automatic Gain Control	MHz	Mega-Hertz
AGCS	Automatic Ground Clutter Suppression	NAV	Navigation
AHRS	Altitude and Heading Reference System	OBS	Omni Bearing Selector
AML	Approved Model List	PA	Passenger Address
BIT	Built-In Test	PED	Portable Electronic Device
CDI	Course Deviation Indicator	PTC	Push-to-Command
CFR	Code of Federal Regulations	PTT	Push-to-Talk
COM	Communications	PVT	Position, Velocity, Time
CRG	Cockpit Reference Guide	R/T	Radar Transceiver
CSA	Conflict Situational Awareness	RF	Radio Frequency
DME	Distance Measuring Equipment	RMI	Radio Magnetic Indicator
EFIS	Electronic Flight Instrument System	RX	Receive
EHSI	Electronic Horizontal Situation Indicator	SAR	Search and Rescue
FIS-B	Flight Information Services Broadcast	SBAS	Satellite Based Augmentation System
FPGA	Field-Programmable Gate Array	SDI	Source/Destination Identifiers
GS	Glideslope	SSM	Sign/Status Matrix
GAD	Garmin Interface Adapter	STC	Supplemental Type Certificate
GDL	Garmin Datalink	TAS	Traffic Advisory System
GMA	Garmin Audio Panel	TCAS	Traffic Collision Avoidance System
GNS	Garmin Navigation System	TAWS	Terrain Awareness System
GPS	Global Position System	TCAD	Traffic Collision Avoidance Device
GSR	Garmin Services	TIS	Traffic Information Service
GTN	Garmin Touch Navigator	TSO	Technical Standard Order
GWX	Garmin Weather Radar	TVS	Transient Voltage Suppressor
HSDB	High-Speed Data Bus	TX	Transmit
ICA	Instructions for Continued Airworthiness	UTC	Coordinated Universal Time
ICS	Intercom System	VDC	Volts Direct Current
IFR	Instrument Flight Rules	VFR	Visual Flight Rules
ILS	Instrument Landing System	VHF	Very High Frequency
IRU	Inertial Reference Unit	VOR	VHF Omni-Directional Range
LED	Light Emitting Diode	WAAS	Wide Area Augmentation System
LOC	Localizer	WXR	Weather Radar
		XPDR	Transponder

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1.4 Publications

When performing system maintenance on the GTN Xi, GMA 35/35c, or Flight Stream 510, it is recommended that the following documents be available:

Table 1-1 Recommended Documents

Garmin Document	Part Number
GTN 6XX/7XX Part 27 AML STC Master Drawing List	005-00533-H0
Equipment List, GTN Xi Part 27 AML STC	005-00533-M1
GTN Xi Series Pilot’s Guide	190-02327-03
RFMS, Garmin GTN Xi GPS/SBAS Navigation System	190-01007-D2
GTN Xi Part 27 AML STC Installation Manual	190-01007-D0
Guideline for GTN Flight Plan and User Waypoint Files	190-01007-F0 [1]

Notes:

[1]Contact Garmin technical support for a copy of this document.

1.5Distribution

This document is required for maintaining the continued airworthiness of the aircraft. When this document is revised, every page will be revised to indicate current revision level. Garmin dealers may obtain the latest revision of this document at the Garmin Dealer Resource website.

Dealers are notified of manual revision changes via a Garmin Service Bulletin.

Owner/operators may obtain the latest revision of this document at flyGarmin.com or by contacting a Garmin dealer. Garmin contact information is available at flyGarmin.com.

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2	SYSTEM DESCRIPTION
2.1	Equipment Descriptions....................................................................................................................		2-2
2.1.1 GTN Xi Navigators and GMA 35 ..............................................................................................			2-2
2.1.2		NAV Antenna Cable Splitter......................................................................................................	2-3
2.1.3 NAV Antenna Cable Diplexer ...................................................................................................			2-3
2.1.4		HTAWS Annunciator.................................................................................................................	2-3
2.1.5		Cyclic Control Grip....................................................................................................................	2-3
2.2	Backplate Connectors .......................................................................................................................		2-4
2.3	GTN Xi Optional Interfaces .............................................................................................................		2-6
2.4	GTN Xi Block Diagram....................................................................................................................		2-7

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Rev. 1	Page 2-1

2.1 Equipment Descriptions

2.1.1GTN Xi Navigators and GMA 35

NOTE

For pinouts and wiring diagrams, refer to GTN Xi Part 27 AML STC Installation Manual (P/N 190-01007-D0).

The GTN Xi navigators are a family of aviation panel-mounted retrofit products. The following sections will describe the available functions for each unit in the GTN Xi family.

2.1.1.1GTN 6XX Xi

The GTN 6XX Xi SBAS navigators are a family of panel-mounted GPS/NAV/COM navigators. “GTN 6XX Xi” includes the GTN 625Xi, GTN 635Xi, and GTN 650Xi.

They are 6.25 inches wide and 2.65 inches tall. GTN 6XX Xi units feature a 600 by 266 pixel color LCD touchscreen. The GTN 625Xi is a GPS/SBAS unit that meets the requirements of TSO-C146c. The GTN 635Xi includes all of the features of the GTN 625Xi in addition to an airborne VHF/COM

transceiver. The GTN 650Xi includes all of the features of the GTN 635Xi in addition to an airborne VOR/ localizer (LOC) receiver, and glideslope (G/S) receiver.

2.1.1.2GTN 7XX Xi

The GTN 7XX Xi SBAS navigators are a family of panel-mounted GPS/NAV/COM navigators. “GTN 7XX Xi” includes the GTN 725Xi and GTN 750Xi.

GTN 7XX Xi units are 6.25 inches wide and 6.00 inches tall. They feature a 600 by 708 pixel color LCD touchscreen. The GTN 725Xi is a GPS/SBAS unit that meets the requirements of TSO-C146c. The

GTN 750Xi includes all of the features of the GTN 725Xi in addition to an airborne VHF communications transceiver and airborne VOR/localizer (LOC) and glideslope (G/S) receivers. GTN 7XX Xi units have the ability to remotely control GMA 35 audio panel functions.

2.1.1.3GMA 35 Audio Panel

The GMA 35 Audio Panel is a remote-mounted marker beacon receiver and audio panel with a six-position intercom system (ICS) that interfaces to the communications and navigation radios, headsets, microphones, and speakers. The ICS includes electronic cabin noise de-emphasis, two stereo music inputs, and independent pilot/co-pilot/passenger volume controls. The intercom provides three selectable isolation modes. A pilot-selectable cabin speaker output can be used to listen to the selected aircraft radios or to broadcast PA announcements.

The audio panel relies on the GTN 725Xi or GTN 750Xi to control and display the audio functions. The GMA 35 interfaces to the GTN 7XX Xi through RS-232 for control and display of audio panel functions.

The GMA 35c provides the functionality of the GMA 35, with the capability to pair Bluetooth™ audio sources. This enables the distribution of audio to ICS positions when using a compatible iOS or Android™ device. The GMA 35c supports up to ten stored devices and one active Bluetooth device.

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2.1.1.4Flight Stream 510

NOTE

The Flight Stream 510 is a wireless-enabled data card that is inserted into the GTN Xi data card slot.

The Flight Stream 510 interfaces to the GTN Xi by replacing the front-loaded data card to allow wireless database synchronization with PEDs. Synchronized information is then disseminated to various LRUs through their existing GTN Xi interface connections.

2.1.2NAV Antenna Cable Splitter

The navigation antenna cable splitter (Garmin P/N 013-00112-00) is used for installations involving dual VHF navigation capable GTN Xi units or a single VHF navigation capable GTN Xi installation with a second non-Garmin aviation unit.

2.1.3NAV Antenna Cable Diplexer

GTN 650Xi/750Xi navigation units have a single navigation antenna port and require a composite signal for installations that include separate VOR/LOC and G/S antennas. The navigation diplexer (Comant diplexer VOR/GS, Model CI-507) is used for these installations.

2.1.4HTAWS Annunciator

Installation of HTAWS annunciators may be required when the optional HTAWS feature is activated. For HTAWS annunciator installation and equipment details, refer to the GTN Xi Part 27 AML STC Installation Manual (P/N 190-01007-D0).

2.1.5Cyclic Control Grip

An optional Otto Control Grip Kit (Otta Controls P/N G2-0048 or G2-B-8) may be included with the GTN Xi installation. For eligibility and detailed cyclic control grip kit information, refer to the GTN Xi Part 27 AML STC Installation Manual (P/N 190-01007-D0).

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2.2 Backplate Connectors

Figure 2-1 GMA 35 Connector Layout Detail - Rear View

J3504

GMA35c ONLY

Figure 2-2 GMA 35c Bluetooth Connector Layout Detail - Front View

190-01007-D1	GTN Xi Part 27 AML STC Maintenance Manual
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Figure 2-3 GTN 6XX Xi Connector Layout Detail - Rear View

Figure 2-4 GTN 7XX Xi Connector Layout Detail - Rear View

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2.3 GTN Xi Optional Interfaces

Optional equipment interfaces include:

Audio panel

Air data computer

Altitude serializer or fuel/air data computers

EFIS displays

Navigation indicators

Weather, traffic, terrain systems

HTAWS annunciator panels

Garmin Iridium transceiver

Garmin ADS-B traffic and FIS-B weather sources

Garmin Flight Stream 510

Radar altimeter

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2.4 GTN Xi Block Diagram

Crossfill	GPS/WAAS Antenna
(from another GTN Xi
or GTN 6XX/7XX[1])
Switches/
Annunciators	NAV Antenna
	(GTN 650Xi/750Xi)
Air Data

Fuel Management

System

Altitude Encoder

GTN Xi

Transponder

Radar Altimeter

COM Antenna

(GTN 635Xi/650Xi/750Xi)

Audio Panel

PFD/MFD

(G500H/G500H TXi)

CDI/HSI

Traffic System

		GSR 56
Datalink
(XM Radio, NEXRAD,	Flight	Portable
etc.)
	Stream	Electronic
	510	Device
GDL 88H
	Notes:
	[1] GTN Xi – GTN 6XX/7XX Crossfill
	requires GTN software v6.70 or
	later.

	Figure 2-5 GTN Xi System Interface Diagram
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3 CONTROL AND OPERATION

3.1	GTN Xi Normal Mode Overview.....................................................................................................		3-2
3.2	Software Loading..............................................................................................................................		3-3
3.2.1 GTN Xi Software Loader Card Creation ...................................................................................			3-3
3.2.2 GMA 35 Boot Block Loading....................................................................................................			3-7
3.2.3		GMA 35 Software Loading........................................................................................................	3-8
3.3	GTN Xi Configuration Mode Overview...........................................................................................		3-9
3.3.1 GTN Xi Software Loading.......................................................................................................			3-10
3.3.2		System Information ..................................................................................................................	3-11
3.3.3		GTN Setup Page.......................................................................................................................	3-12
3.3.4		GTN Options Page ...................................................................................................................	3-14
3.3.5		GTN Diagnostics Page .............................................................................................................	3-18
3.4	Database Updates............................................................................................................................		3-20

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3.1 GTN Xi Normal Mode Overview

Function

Active COM

Standby COM

Frequency

Frequency

Keys

Volume, Squelch,

Photocell

and NAV ID

HOME key

Message

Annunciation

Direct-To Key

SD Card

Transponder

Locking Panel Controls

Screw

Annunciations	Large and
	Small Knobs

Figure 3-1 GTN 6XX Xi Normal Mode Screen

Standby COM Frequency

Active COM	Audio Panel
Frequency	Controls

Volume, Squelch,

and NAV ID

SD Card

Function

Keys

Message

Annunciation

Locking

Screw

Annunciations

Active NAV Frequency

Standby NAV

Frequency

Photocell

Transponder

Panel Controls

HOME key

Direct-To Key

Large and

Small Knobs

	Figure 3-2 GTN 7XX Xi Normal Mode Screen
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3.2 Software Loading

3.2.1GTN Xi Software Loader Card Creation

A GTN Xi Software Loader Card is created using GTN Xi Downloadable Software SD Card

(P/N 010-01000-00) in conjunction with a GTN Xi software application downloaded from the Dealer Resource Center on Garmin’s website. As an alternative, a pre-programmed software loader card may be purchased from Garmin. Refer to Equipment List, GTN Xi Part 27 AML STC (P/N 005-00533-M1) for the correct part number of the pre-programmed GTN Xi Software Loader Card.

NOTE

The downloadable application to create the GTN Xi Software Loader Card only runs on Windows PCs (Windows 2000, XP, Vista, Windows 7, and Windows 10 are supported). There is no Mac support at this time.

NOTE

An SD card reader is needed to create the GTN Xi Software Loader Card using the application that is downloaded from Garmin. The approved readers are SanDisk® SDDR-999 and SDDR-93, although other SD card readers may work.

Create a GTN Xi Software Loader Card as follows:

1.Go to the Dealer Resource Center on Garmin’s website.

2.Download the GTN Xi Software Loader Image. Refer to Equipment List, GTN Xi Part 27 AML STC for the correct Software Loader Image part number.

3.Run the executable file. The window shown in Figure 3-3 will appear. Click Setup.

Figure 3-3 Software Update Installer

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4.The window shown in Figure 3-4 will appear to guide you through the software loader card creation process.

Figure 3-4 System and Software Version

5.Ensure that you have an SD card reader connected to the PC. Insert the GTN Xi Downloadable Software SD Card (P/N 010-01000-00) into the card reader. Click Next.

6.Read and accept the license agreement, as shown in Figure 3-5. Click Next when finished.

Figure 3-5 Software Loader Card License Agreement

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7. Click Find Drive or select the correct drive from the drop-down menu. Click Next.

CAUTION

In order to create a GTN Xi Software Loader Card, the drive that you select will be completely erased.

Figure 3-6 Software Loader Card Drive

8. The progress window shown in Figure 3-7 will appear while the card is being created.

Figure 3-7 Software Loader Card Progress Window

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9.After the card has been created, the window shown in Figure 3-8 will appear. Click Finish to complete the update process.

Figure 3-8 Software Loader Card Completion

10.Eject the card from the card reader (or stop the card reader in Windows). The GTN Xi Software Loader Card is now ready to use.

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3.2.2GMA 35 Boot Block Loading

NOTE

The GMA 35 Boot Block Loader Card is separate from the GMA 35 Software Loader Card and is required to update Boot Block software to v4.10. For instructions on creating the GMA 35 Software Loader Card, refer to Section 3.2.3.

1.Remove power from the GTN 7XX Xi.

2.Insert the GTN Xi Boot Block Loader Card into the GTN 7XX Xi data card slot. For instructions on how to create a GTN Xi Boot Block Loader Card, refer to Section 3.2.1.

3.Apply power to the GTN Xi.

4.Ensure the GMA 35 circuit breaker is closed.

5.Select all GMA 35 Boot Block updates.

6.To begin the software update, touch the Update key on the bottom of the display.

7.The GTN Xi will display the prompt, “Start GMA 35 Software Updates?”

8.To allow the GTN Xi to update the GMA 35, touch OK.

9.When updates complete, the GTN Xi will display, “Update Complete!”

10.Turn the GTN Xi and GMA 35 off by opening the circuit breaker.

11.Remove the Boot Block Loader Card.

12.Re-insert the database card in the data card slot.

13.Restore power on the GTN Xi and GMA 35 by closing the circuit breakers.

14.To ensure the software correctly updated, go to the System Information page and select the GMA 35. Refer to Section 3.3.2 for more information on the System Information page.

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3.2.3GMA 35 Software Loading

NOTE

The GMA 35 software will be present on the SD card when creating a GTN Xi Software Loader Card. A separate card is not required to perform GMA 35 software updates.

1.Remove power from the GTN 7XX Xi by opening the circuit breaker.

2.Insert the GTN Xi Software Loader Card into the GTN Xi data card slot. For instructions on how to create a GTN Xi Software Loader Card, refer to Section 3.2.1.

3.Hold down the HOME key until “Garmin” is fully lit on the display after power is applied by closing the circuit breaker for the GTN Xi.

4.Ensure the GMA 35 circuit breaker is closed.

5.The Configuration mode page should now be displayed. Touch the Updates key to display available software.

6.To select GMA 35 software updates, touch the GTN Software Updates key and select GMA 35 Software Updates.

7.To update the GMA 35 with all available software, touch Select All.

8.Touch the Update key.

9.The GTN Xi will display the prompt, “Start GMA 35 Software Updates?”

10.Touch OK to allow the GTN Xi to update the GMA 35.

11.When the updates are complete, the GTN Xi will display, “Update Complete!”

12.Turn the GTN Xi and GMA 35 off (i.e., open the circuit breaker) and remove the Software Loader Card.

13.Re-insert the database card in the data card slot.

14.Restore power on the GTN Xi and GMA 35 by closing the circuit breakers and ensure the software was updated correctly by going to the System Information page and selecting the GMA 35. Refer to Section 3.3.2 for more information on the System Information page.

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3.3 GTN Xi Configuration Mode Overview

NOTE

When configuring the GTN Xi, ensure that configuration module service messages are not displayed in the message queue. This indicates an improperly wired or damaged configuration module.

Configuration mode is used to configure the GTN Xi settings for each specific installation. To access Configuration mode, perform the following steps:

1.Remove power from the GTN Xi by opening the circuit breaker.

2.Press and hold the HOME key and re-apply power to the GTN Xi.

3.Release the HOME key when the display activates and “Garmin” appears fully lit on the screen.

The Configuration mode page is the first page displayed. For detailed information regarding how to configure the GTN Xi, refer to GTN Xi Part 27 AML STC Installation Manual. While in Configuration mode, select pages by touching the desired key on the display. Some pages may require page scrolling to view all of the information and keys. Scrolling is done by touching the screen and dragging the page in the desired direction or by touching the Up or Down keys.

NOTE

The configuration pages shown reflect main software version 20.01. Some differences in operation may be observed when comparing information in this manual to later software versions.

Figure 3-9 GTN 6XX Xi and GTN 7XX Xi Configuration Mode Pages

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3.3.1GTN Xi Software Loading

NOTE

The following steps will need to be repeated for each replacement GTN Xi unit that requires a software update.

To update the GTN Xi software, perform the following steps:

1.Remove power from the GTN Xi by opening the circuit breaker.

2.Remove the database card and insert the correct GTN Xi Software Loader Card created in Section 3.2.1 into the data card slot.

3.Restore power to the GTN Xi by closing the circuit breaker.

4.The GTN Xi will automatically power on in Configuration mode. Touch Updates to display the available software updates.

5.Ensure the software version being loaded to the GTN Xi matches the software version listed in Equipment List, GTN Xi Part 27 AML STC. The Updates page displays the version that is installed on the unit and the version installed on the loader card.

6.Ensure the available GTN Xi software updates are displaying by ensuring that GTN Software Updates key is highlighted in the upper-left corner (upper-right for GTN 6XX Xi) of the display.

7.To update the GTN Xi with all available software, touch Select All.

8.To begin the software update, touch Updates on the bottom of the display. Alternatively, individual updates can be manually selected by touching them. A green checkmark will appear when selected.

9.The GTN Xi will display the “Start GTN Software Updates?”

10.Touch OK to allow the GTN Xi to go through the update process.

11.When the updates are complete, the GTN Xi will display “Update Complete!”

12.When finished, remove power from the GTN Xi and remove the Software Loader Card. Re-insert the database card into the data card slot.

13.Power on the GTN Xi in Configuration mode and ensure the software was correctly updated by touching System Information and verifying the software version. Refer to Section 3.3.2 for more information on the System Information page.

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3.3.2System Information

View the System Information page by touching the System Information key on the Configuration mode home page. The System Information page displays the unit type, serial number, and system ID for the GTN Xi. It contains the software and hardware versions of the Main, I/O, Display, Keypad, LED, GPS/ WAAS, COM, and NAV boards. System information is available for certain other LRUs connected to the GTN Xi. Touch the GTN key and choose which LRU to display. Touch UP or DOWN to view all the information.

Figure 3-10 System Information Page

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