TDSGTNXiFlightSimManual

TDS GTNXi Flight Simulator

User’s Manual for Flight Simulator

Embrace a New Level of Innovative Avionics: The GTN Xi 750/650 touchscreen.

Using a large, very high-resolution display, offering you unparalleled vivid, ultra-high resolution

terrain mapping, advanced graphical flight planning capabilities, geo-referenced charts and

many more features, all available at a virtual touch. The GTN Xi will bring a new level of

modernism to your virtual cockpit.

Revision 14 - February 2024

Introduction 2

Product Features 2

Installation Instructions 4

Step 1: Installation of the PC Trainer 6

Step 2: Installation of the TDS GTNXi for Microsoft Flight Simulator 2020® 7

Installing and Using the Pro Upgrade 8

Updating and using the Navigraph navdata 9

Connecting to Navigraph Charts 12

Running the TDS GTNXi and Connecting to Flight Simulator 14

Maintaining Audio Sound when Flight Simulator is not the active window 14

Interface Features 15

Avionics Tab 16

Settings Tab 17

GTNXi Selected Unit to Configure 18

Flight Simulator specific settings 19

Navigation Source Selection 21

Other Configurable Settings 22

Setting a custom transponder VFR Key code in the Transponder Page 22

User Checklists 23

Custom Flight Plans 24

User Waypoints 25

Interfacing with Hardware 26

Sending events to simulate keys/knobs 26

Reading specific TDS GTNXi Data 28

Troubleshooting 30

Uninstallation 30

Log Files 31

Antivirus infection alert 32

FRAPS - Black Screen 33

AVG/Avast Antivirus Users - Black Screen 34

Performance Improvements 35

Introduction

The TDS GTNXi puts safety first, as both an intuitive safety navigation device, along with

beautiful, modern mapping features. It includes ultra-high-resolution mapping, terrain

information, mapping features: water bodies, political borders, roads, cities.

Worldwide navigation data is included: airports, waypoints, VOR/NDBs, custom waypoints,

visual reporting points, airport diagrams including taxiways.

To better assist in flying the perfect navigation procedure, geo-referenced charts can be

displayed, or can be incorporated into the map mode.

Version 1.1.0.0 of the TDS GTNXi brings support for the Pro Upgrade, an add-on page to the

TDS GTNXi which features full Navigraph support for both navdata as well as worldwide charts.

Being designed from the ground up as a standalone program that runs alongside Flight

Simulator 2020, you have the ability to run Flight Simulator on one monitor, while the TDSGTXi

can be dragged onto a second monitor.

Starting with version 1.0.1.0, the TDS GTNXi includes full Virtual Cockpit support for add-on

aircraft integration in both drawing the LCD display as well as mouse clickspots! We strongly

recommend that all users download and install this new version. A full list of compatible aircraft

can be found here:

https://tdssim.com/gtnxivcintegration

The TDS GTNXi is more than a GPS unit, it is also an audio panel, giving you the ability to tune

COM and NAV frequencies, retrieve the most used frequencies, decode the Morse code

identifier ( some features are only available in the GTNXi 750). On top of this, both the GTNXi

750 and GTNXi 650 include a full ADS-B transponder which communicates with Flight

Simulator.

The TDS GTNXi is a training add-on, used to help you get familiarized with the system.A very

important training feature is the ability to control the default Flight Simulator Autopilot by using

the NAV function, fly autopilot-coupled IFR approaches in both lateral and vertical modes,

including fully coupled LPV approaches.

Realism Note

This software is designed for entertainment use ONLY, it is not designed as a flight training

device, even though the quality of the product is exceptional and the fidelity of each key, knob,

and digital touchscreen functionality are made to resemble a real GPS unit. The Pro Upgrade

features a fully updateable navigation database and worldwide charts from Navigraph! Some

functionality may not be simulated correctly or simulated at all.

Product Features

The TDS GTNXi is a standalone Windows Executable, able to communicate with Microsoft

Flight Simulator (2020), offering you the opportunity to move the GTNXi windows to a second

monitor.

Starting with version 1.0.1.0, the TDS GTNXi can be fully integrated into the virtual cockpit (VC)

of add-on aircraft, both screen display as well as touch screen/mouse control.

Two GTNXi’s units included: GTNXi 750 and GTNXi 650

Included in the TDS GTNXi Flight Sim product are both the GTNXi 750 and GTNXi 650, which

can be displayed at the same time, both communicating with Flight Simulator.

There is also the ability to change the navigation source from the 750 to the 650 when flying,

enabling you to have one flight plan on the GTNXi 750 and another flight plan on the GTNXi

650.

Autopilot

The TDS GTNXi is able to couple to the default Flight Simulator autopilot and send roll and pitch

commands. This includes fully autopilot coupled LPV approaches.

Radios/Audio Panel

The TDS GTNXi are able to control the Flight Simulator COM and NAV radio frequencies.

Additionally, the GTNXi 750 has an integrated Audio Panel, offering you the ability to control

audio navigation sources.

Unprecedented mapping

The TDSGTNXi has an unprecedented, high resolution map, including the ability to display color

terrain, airport diagrams, water bodies, borders and other navigation information data.

Databases/Navigation Charts

The TDSGTNXi has full support for the Navigraph updateable navigation database (AIRAC) as

well worldwide Navigraph Charts. Both features are part of the Pro Upgrade add-on released in

February 2024. More information on the Pro Upgrade can be found in the dedicated section.

Weather

At this point, the TDS GTNXi does not support display of flight simulator weather.

ADS-B Traffic Page

The TDS GTNXi has a state of the art ADS-B transponder, giving you the ability to display Flight

Simulator targets on the dedicated traffic page as well as on a main Map overlay.

TAWS - Situational Awareness

TAWS-A, TAWS-B, Terrain Proximity, HTERRAIN Proximity, HTAWS-B

Ability to select between Female and Male voice.

Additional Features

● Selected Altitude Range Arc - Receives data from the Flight Simulator Autopilot Altitude

Selector Knob and displays the projected range arc on where you will reach the

specified altitude, in both climb and descent.

● Dimmable Display - Easily customisable from the GTNXi interface

● Ability to modify sound volume - Easily customisable from the GTNXi interface

Simulator Requirement:

The TDS GTNXi for Flight Simulator is compatible with Microsoft Flight Simulator (2020)

Minimum System Requirements:

Microsoft Windows 10 64 Bit Version 1909 (November 2019 Update), Intel Core i5-8400 or AMD

Ryzen 5 1500X, 16GB RAM, NVIDIA GTX 970 or AMD Radeon RX 590 with at least 4GB

Memory, HDD Space: 4GB

Installation Instructions

The TDS GTNXi can be easily downloaded and installed by following these simple instructions:

All download/installation procedures are performed via the proprietary TDS GPS Manager

application. The application can be downloaded from the sales website, after purchasing the

product.

After the application is downloaded, run it from the Downloads folder or the selected download

location, file name:

TDSGPSManager.exe

A login screen will be presented where the user has to input the login credentials (email

address/password) which were used to register on the sales website, before purchasing the

TDS GTNXi.

In case you do not remember the login credentials, please visit the My Account section of the

sales website for more information:

http://www.tdssim.com

After successfully logging on, the GTNXi page will display. The first step is to install the required

PC Trainer, this is done by pressing the Download and Install button.

Step 1: Installation of the PC Trainer

The first step is to download the PC Trainer, please wait for the download to complete, a

progress percentage will be displayed on the screen.

After the download has completed, the installation will start automatically, press Next to advance

through the installation screens in order to complete the installation of the PC Trainer.

Once the PC Trainer installation is complete, the actual GTNXi PC Trainer will download. After it

has downloaded, the installation for this component will start, press Next to advance.

A complete PC Trainer installation can be confirmed by the version number on the left side of

the interface and the yellow button displaying Reinstall.

A copy of the PC Trainer will be saved in this location:

C:\ProgramData\TDS\Trainers

Step 2: Installation of the TDS GTNXi for Microsoft Flight Simulator 2020®

To download and install the TDSGTNXi for Flight Simulator, press the yellow Download and

Install button to the right of the Flight Simulator label. The entire procedure is done

automatically, at the end of the installation a message box will appear, confirming the installation

status.

The default installation directory of the TDS GTNXi for Flight Simulator:

C:\ProgramData\TDS\GTNXi\FlightSimEXE

In case the Windows ProgramData directory has been moved to a different location, you can

access the TDS GTNXi installation folder by running the Run command(Windows + R key on

the keyboard) and typing:

%PROGRAMDATA%\TDS\GTNXi\FlightSimEXE

Installing and Using the Pro Upgrade

The Pro Upgrade is an add-on package for the TDS GTNXi which brings Navigraph support for

both navdata as well as navigation charts!

Installation of the Pro Upgrade is automatic, as part of the TDS GTNXi Flight Sim version

1.1.0.0 (or higher) and the TDS GPS Manager version 1.0.1.1 (or higher)

We recommend downloading the latest TDS GPS Manager from the My Account section of the

TDS Sim Software sales website:

https://tdssim.com/Account/login

If you have a previous version of the TDS GTNXi, just use the Upgrade/Reinstall button on the

TDS GPS Manager.

The image above shows a correctly installed Pro Upgrade, the status Installed being displayed

below the Installed Version. In addition, the TDS GTNXi Main Interface displays the Pro

Upgrade installation status on the left side, right below the NAVIGRAPH CHARTS tab, as shown

in the images of the next section.

Updating and using the Navigraph navdata

The TDS GTNXi Pro Upgrade offers support for Navigraph navdata, so you will always be able

to fly using current navdata. There are no limitations to the Navigraph navdata as opposed to

the already supplied TDS GTNXi navdata, which will ensure that the best possible experience is

offered to TDS GTNXi users.

Important Note: An active Navigraph Unlimited or Navigraph Basic subscription is

required, which can be obtained from:

https://navigraph.com/

The TDS GTNXi comes preloaded with the Navigraph AIRAC cycle 2302 (February 2023).

Updating to the latest AIRAC cycle is performed from the Navigraph Hub, which can be

obtained from here:

https://navigraph.com/downloads

After downloading and installing the Navigraph Hub, the TDS GTNXi is found in the Microsoft

Flight Simulator - Installed outside Simulator tab

Important Note: In order to update the navigation database in the TDS GTNXi, both the

TDS GTNXi as well as Microsoft Flight Simulator need to be closed.

Upon startup of the TDS GTNXi, the database loading takes about 10 seconds, during this time

the TDS GTNXi screens will be black as well as the TDS GTNXi interface displaying the

information that the Navigraph database is preparing.

After the database has been loaded, the correct AIRAC cycle can be confirmed from the startup

- Database Info page, as pictures below.

The top row of the database info will change to Navigraph DB if the Navigraph navigation

database is used and has correctly loaded; if the PC Trainer database is used, the database

name is: Navigation

If the TDS GTNXi is already started and in the Home page, the database cycle can always be

confirmed from the System - System Status - Database Info section.

Even though navigation databases do not expire or automatically disable themselves in the TDS

GTNXi, we strongly encourage using up to date navigation data for the best possible

experience.

The location of the Navigraph database is:

C:\Users\%username%\AppData\Roaming\TDS\GTNXi\Database\MSFS

Where %username% is your username.

File name: NavigraphDB.dat

By manually renaming/removing the NavigraphDB.dat file, the PC Trainer database will be

used. This process must be performed with the TDS GTNXi closed.

Connecting to Navigraph Charts

Connecting to Navigraph Charts needs to be done via the TDS GTNXi main interface,

NAVIGRAPH CHARTS tab, as pictured below.

Important Note: An active Navigraph Unlimited subscription is required, which can be

obtained from Navigraph:

https://navigraph.com/

There are two connection options available: scanning the provided QR code with a phone/tablet

and then logging in to the Navigraph Account or clicking on the link to the right side and logging

in to the Navigraph Account, then approving the TDS GTNXi.

The connection code is provided in case a manual input is needed due to unforeseen

circumstances, but it should not be used as the link generated by us contains all this

information, in order to facilitate a connection to Navigraph.

Once a connection to Navigraph has been established, the NAVIGRAPH CHARTS tab will

display the Navigraph logo as well as the current charts cycle. The connection token is saved

between TDS GTNXi sessions, so there is no need to reconnect each time you start the TDS

GTNXi. The time that the connection token can be used depends on the Navigraph server.

The Chart Selection option on the bottom of the interface allows for selection of the default

FliteCharts, in case the user does not have a Navigraph Unlimited subscription. While we

strongly advise using up to date navigation data and charts, this option is available for those

wanting to use the provided North American FliteCharts. While the selection between the two

options can be done in flight, we recommend making the selection before flight and keeping the

selection within the flight.

Important Note: As in real life, charts can only be displayed on GTN750Xi units. The 650Xi

units being smaller in size, do not support charts.

Running the TDS GTNXi and Connecting to Flight Simulator

Once the TDSGTNXi for Flight Simulator has been installed, a shortcut will be placed on the

desktop, which can be used to start the TDS GTNXi. If you are going to use the TDS GTNXi in

the Virtual Cockpit as an integrated solution, there is no need to start the standalone desktop

shortcut as the startup processes are done automatically by Flight Simulator. At the moment, it

is not possible to run both standalone as well as Virtual Cockpit Integrated at the same time.

Additionally, a shortcut is added in the Windows Start Menu, under the folder name TDS.

The TDS GTNXi and Flight Simulator must run on the same computer as Flight Simulator; the

connection will be established automatically, as soon as Flight Simulator is running in Flight

Mode, there is no user intervention needed.

Maintaining Audio Sound when Flight Simulator is not the active window

To maintain Flight Simulator sound when the window is not active, please follow these

instructions:

With Flight Simulator loaded on the main menu startup screen, go to the Options tab,

GENERAL, then select SOUND.

Make sure that "MUTE AUDIO IN BACKGROUND" is set to OFF.

Interface Features

The TDS GTNXi Flight Simulator interface is split into two tabs:

● Avionics Tab

● Settings Tab

On the bottom right of the interface is the Flight Simulator connection status.

A green indication with the text: “Flight Simulator is connected” means that the TDSGTNXi is

communicating properly with Flight Simulator.

A red indication with the text: “Flight Simulator is not running” means that the TDSGTNXi is not

communicating properly with Flight Simulator.

Avionics Tab

This tab lets you show and hide the respective GTNXi window, either GTNXi 750 or GTNXi 650.

Both units can be shown and used in flight, in parallel.

Clicking on the GTN750Xi button will display a second window which shows the GTNXi 750

Clicking on the GTN650Xi button will display a third window, which shows the GTNXi 650

Settings Tab

The TDSGTNXi provides you the option to customize the product to best suit your specific

needs.

General Page settings:

● Navigation Source Selection

● RealSimGear Hardware Compatibility

The settings for each unit are split into two types:

● Flight Simulator specific settings

● Device Settings

All settings can be configured from the User Interface, Settings Tab or from the INI File.

We suggest that you configure them from the User Interface.

The location of the INI File is:

C:\ProgramData\TDS\GTNXi\FlightSimEXE\TDSGTN.ini

Checking the box RealSimGear Hardware Compatibility provides compatibility with

RealSimGear hardware

GTNXi Selected Unit to Configure

Flight Simulator specific settings

Connect GPS to

Autopilot

Provides the ability to send roll and pitch commands to the Flight

Simulator Autopilot when the VLOC/GPS switch is in GPS Mode.

There are two autopilot driving options:

● NAV = using the autopilot navigation mode (NAV and APR

buttons), the preferred method because it provide glidepath

support for LPV approaches

● HDG = a fallback state that drives the heading bug, it does not

provide glidepath support for LPV approaches

Radio Selection

Provides the ability to select between COM1/NAV1 and COM2/NAV2

Connect GPS to

HSI OBS

(auto-slew)

Checking this box correlates the MSFS HSI OBS Source with the

GTNXi Course, whenever a new waypoint is being entered.

Connect GPS to

VOR# OBS

Checking this box gives you the ability to change the OBS value of the

GTNXi by using the Flight Simulator VOR CDI knob. The VOR source

(VOR1 or VOR2) can be selected from the VLOC Source setting below.

With the box unchecked, you can change the GTNXi OBS value using

the on screen type-in pop-up

Device Settings

Digital Fuel Computer

Provides external sensor fuel data to the respective GTNXi unit

Air Data Computer

Provides external sensor air data to the respective GTNXi unit

TAWS Mode

Select the TAWS mode: Terrain Proximity, TAWS-A, TAWS-B,

HTAWS-B, H-Terrain Proximity

TAWS Voice Type

Select the TAWS voice: Female, Male

Transponder Settings

Select the default Transponder VFR button code: 1200 (US), 7000

(EU), INI File

Note: INI File is a custom user option, please read the chapter titled

“Setting a custom transponder VFR Key code in the Transponder

Page”

Airplane Type

Change the airplane type icon in map mode

Airplane Color

Select the airplane color between: white and magenta

Fuel Type

Select the fuel type: AVGAS, JET-A, JET-B, DIESEL

Play Key Sounds

Play key sounds on the touchscreen

Play Audio Sounds

Play TAWS sounds from the respective GTNXi unit

Show Bezel

Provides the ability to show/hide the GTNXi bezel

Lock Aspect Ratio

Keep the aspect ratio to 1:1 when resizing the GTNXi Window

Hide Window Frame

Checking this box will hide the Windows title bar and lateral frames,

providing a GTNXi only window. The only possibility to move the

window is to show the bezel and drag the window from a non-GTNXi

touchscreen clickspot

Custom Time Zone

Offset

Ability to set and remember a custom local offset (time zone) from

the System | Setup page

Reset Window

Position

Resets the GTNXi window to the default position/size

Navigation Source Selection

The TDSXi provides you with the ability to select the GPS Navigation source to drive the

autopilot. The current options include:

● TDS GTNXi 750 Unit 1

● TDS GTNXi 650 Unit 1

● Flight Simulator GPS

The active Navigation Source is displayed on the main TDS GTNXi interface, SETTINGS tab.

The message “Navigation Source: Undefined” is displayed when there is no connection to

Flight Simulator.

To cycle between the available navigation sources, push the invisible button located on the top

right corner of the GTN750Xi or GTN650Xi, as shown below:

Other Configurable Settings

Setting a custom transponder VFR Key code in the Transponder Page

Setting a custom transponder VFR key code is done via the INI file, which is located here:

C:\ProgramData\TDS\GTN\FlightSimEXE\TDSGTN.ini

To change the code for the desired unit: GTN750.1 or GTN650.1, please add this line:

Transponder.CustomVFRCode = 7000

Please note, the Transponder Settings option from the Main Interface / Settings tab must be set

to “INI File”, the corresponding ini file setting is: Transponder.VFRCode = 0

The range of the Transponder code must be from 0000 to 7777, with all digits starting at 0 and

ending at 7. This means that the GTNXi will not accept any values of 8 or 9 in any digit places!

User Checklists

The GTNXi supports an electronic version of your aircraft’s checklists. Checklists are stored in

groups and as you complete a checklist item, you can advance to the next one.

When the GTNXi automatically detects the presence of a checklist file (checklist.ace), the

Checklists key appears in the Utilities page:

Checklists are created using the Aviation Checklist Editor, found online at this link:

https://www8.garmin.com/support/download_details.jsp?id=5075

The file called checklist.ace must be saved in this location:

C:\ProgramData\TDS\GTNXi

The GTNXi will automatically load the user checklist on startup.

Custom Flight Plans

The GTNXi supports custom flight plans. The method is similar to importing flight plans from a

datacard. They permit the user to create custom flight plans using flight planner tools and save

them to separate files, which are used by the GTNXi. These flight plans can be previewed,

activated or stored inside the GTNXi Flight Plan Catalog.

The flight plans must have the file format: .gfp and are stored at this location:

They are stored in this folder:

C:\ProgramData\TDS\GTNXi\FPL

Upon installation of the TDS GTNXi, a FPL folder will be created automatically containing a

sample flight plan from CYOW to CYTZ, thanks to community member Les O’Reilly:

https://www.youtube.com/c/LesOReilly

Please note, the TDS GTNXi reads flight plans on startup, so if you have added a flight plan

while the TDS GTNXi is running, you must restart the program for the new flight plan to be

loaded.

To activate a flight plan in the GTNXi, from the Home page, access the Flight Plan page, then

click on the Menu key. Then access the Catalog function, then click on the Menu key. A pop-up

menu should appear with an Import key.

Clicking on the Import key will display a list of all .gfp flight plans stored in the FPL folder. Select

the desired flight plan to preview it, then you have the option to Store it inside the GTNXi’s flash

memory or automatically Activate it, so it can be flown.

User Waypoints

The GTNXi supports the ability to import user created waypoints from a file. The method is

similar to importing user waypoints from a datacard. Each user waypoint will have a name,

latitude longitude and optional comment.

Note: If a user waypoint is within 0.0001 degrees of latitude and longitude of a GTNXi database

waypoint, then the GTNXi’s database waypoint will be used.

To create a user.wpt file, open a spreadsheet program and each row contains an individual

entry.

Column A: Waypoint Name

Column B: Comment

Column C: Latitude (decimal degrees)

Column D: Longitude (decimal degrees)

The file must be saved a .csv file (comma separated values), then renamed to user.wpt

The file called user.wpt must be saved in this location:

C:\ProgramData\TDS\GTNXi

To import user waypoints, from the Home screen, press the Waypoints key to access the

Waypoints page. When the GTNXi automatically detects the presence of a user waypoints file

(user.wpt), the Import Waypoints key automatically appears:

Click on the Import Waypoints key to automatically import the waypoints, which will be

imported in the User Waypoint page.

Interfacing with Hardware

Sending events to simulate keys/knobs

The TDS GTNXi supports accepting MSFS events(K events) in order to control the keys/knobs.

The events used by the TDS GTNXi are regular MSFS events. Such events can be triggered via

XML/JS code, Spad.neXt, MobiFlight.

It is important to note that besides the actual event, a specified value must be sent. The value

can be obtained from the table below, which describes the exact unit that the user wants to

control.

Four devices can be controlled by using this method:

GTN750Xi Unit 1

GTN750Xi Unit 2

GTN650Xi Unit 1

GTN650Xi Unit 2

GPS_PAGE_KNOB_DEC

GPS_PAGE_KNOB_INC

Bottom Right Inner Knob Decrease and

Increase where:

0 = GTN750Xi Unit 1

16 = GTN750Xi Unit 2

8 = GTN650Xi Unit 1

24 = GTN650Xi Unit 2

GPS_GROUP_KNOB_DEC

GPS_GROUP_KNOB_INC

Bottom Right Outer Knob Decrease and

Increase where:

0 = GTN750Xi Unit 1

16 = GTN750Xi Unit 2

8 = GTN650Xi Unit 1

24 = GTN650Xi Unit 2

GPS_CURSOR_BUTTON

Bottom Right Knob Push where:

4 = GTN750Xi Unit 1 UP

20 = GTN750Xi Unit 2 UP

12 = GTN650Xi Unit 1 UP

28 = GTN650Xi Unit 2 UP

2 = GTN750Xi Unit 1 DOWN

18 = GTN750Xi Unit 2 DOWN

10 = GTN650Xi Unit 1 DOWN

26 = GTN650Xi Unit 2 DOWN

GPS_MENU_BUTTON

Home Key where:

4 = GTN750Xi Unit 1 UP

20 = GTN750Xi Unit 2 UP

12 = GTN650Xi Unit 1 UP

28 = GTN650Xi Unit 2 UP

2 = GTN750Xi Unit 1 DOWN

18 = GTN750Xi Unit 2 DOWN

10 = GTN650Xi Unit 1 DOWN

26 = GTN650Xi Unit 2 DOWN

GPS_DIRECTTO_BUTTON

DTO Key where:

4 = GTN750Xi Unit 1 UP

20 = GTN750Xi Unit 2 UP

12 = GTN650Xi Unit 1 UP

28 = GTN650Xi Unit 2 UP

2 = GTN750Xi Unit 1 DOWN

18 = GTN750Xi Unit 2 DOWN

10 = GTN650Xi Unit 1 DOWN

26 = GTN650Xi Unit 2 DOWN

GPS_BUTTON2

Top Left Knob, where:

2 = GTN750Xi Unit 1 Decrease

4 = GTN750Xi Unit 1 Increase

18 = GTN750Xi Unit 2 Decrease

20 = GTN750Xi Unit 2 Increase

10 = GTN650Xi Unit 1 Decrease

12 = GTN650Xi Unit 1 Increase

26 = GTN650Xi Unit 2 Decrease

28 = GTN650Xi Unit 2 Increase

GPS_BUTTON1

Top Left Knob Push where:

4 = GTN750Xi Unit 1 UP

20 = GTN750Xi Unit 2 UP

12 = GTN650Xi Unit 1 UP

28 = GTN650Xi Unit 2 UP

2 = GTN750Xi Unit 1 DOWN

18 = GTN750Xi Unit 2 DOWN

10 = GTN650Xi Unit 1 DOWN

26 = GTN650Xi Unit 2 DOWN

Reading specific TDS GTNXi Data

The TDS GTNXi provides L: variables to those interested in this data, to drive custom

solutions/AirManager.

TDSGTNXI_INSTALLED

1 means that the TDSGTNXI WASM Module

is running

TDSGTNXI_LateralValueActive

If true, there is valid lateral navigation data

TDSGTNXI_LateralValueMeters

Lateral Deviation Value in Meters

TDSGTNXI_LateralDeviationScaleNM

Lateral Deviation Scale in Nautical Miles

TDSGTNXI_APCourseToFly

The deviation from the desired course to fly to

actual track, in radians

TDSGTNXI_ApproachType

Oceanic = 0

Enroute = 1

Terminal = 2

Departure = 3

Missed Approach = 4

LNAV = 5

LNAV+V = 6

LNAV/VNAV = 7

LP = 8

LPV = 9

VISUAL = 10

TDSGTNXI_GlidePathValueActive

If true, there is a valid vertical navigation data

TDSGTNXI_GlidePathValueMeters

Glide Path Vertical Deviation in Meters

TDSGTNXI_GlidePathValueAngle

Glide Path Angle, working range is between

-1.0 to +1.0

TDSGTNXI_ToFromFlag

0 = TF Flag Inactive; 1 = TF Flag To; 2 = TF

Flag From

TDSGTNXI_NextWaypointDistanceNM

Distance to Next Waypoint in Nautical Miles

TDSGTNXI_NextWaypointDesiredTrackVal

Desired Track Value to Next Waypoint in

Degrees

TDSGTNXI_NextWaypointBearingVal

Bearing Value to Next Waypoint in Degrees

TDSGTNXI_TotalDistanceNM

Total Flight Plan Distance in Nautical Miles

TDSGTNXI_TotalETE

Total Flight Plan ETE in seconds with the

value being calculated past 30 knots ground

speed, otherwise an invalid value of 359999.0

is displayed

TDSGTNXI_TotalETA

Total Flight Plan ETA in seconds based on

Zulu Time with the value being calculated

past 30 knots ground speed, otherwise an

invalid value of 359999.0 is displayed

TDSGTNXI_OBSModeActive

If true, then OBS Mode is active inside the

GTNXi

TDSGTNXI_InstrumentPanelSelfTest

If true, then Instrument Panel Self Test is

active inside the GTNXi

Troubleshooting

Uninstallation

The TDS GTNXi can be easily and quickly uninstalled from the TDS GPS Manager.

To uninstall the TDS GTNXi, open the TDS GPS Manager, login using your credentials, then

access the Settings tab. You should see a screen as shown below, just select Flight Simulator

and confirm the uninstall action.

Log Files

The TDS GTNXi provides the ability to log information, warning and errors. The information is

saved into log files, as described below:

● TDSGTNXiExeLog.txt for the main executable

● TDSGTNXi750Unit1Log.txt for the GTNXi 750 Unit 1

● TDSGTNXi650Unit1Log.txt for the GTNXi 650 Unit 1

These Files are saved in the Windows Documents folder.

They provide the information needed to troubleshoot most problems.

Antivirus infection alert

During the installation or when running the TDS GTNXi, your antivirus may display an alert that

a file may be infected with a virus. This is a false positive alert, all TDS GTNXi files are

checked before being packaged and they do not contain any viruses.

These alerts are false positives and TDS GTNXi all files quarantined/deleted by the antivirus

should be restored.

The files that may be quarantined/deleted by the antivirus program are:

TDSGTNXiFlightSimEXE.exe

TDSGTNServices.dll

Both files are located here:

C:\ProgramData\TDS\GTNXi\FlightSimEXE

In case the antivirus has quarantined/deleted any one of the two files, please restore the file

from the quarantine or reinstall the TDS GTNXi from the TDS GPS Manager.

For all problems/questions regarding antivirus alerts, please post in the support forum.

FRAPS - Black Screen

The TDS GTNXi is currently incompatible with FRAPS, the incompatibility will lead to black

screens on both GTNXi displays. The solution is to close FRAPS when using the TDS GTNXi

AVG/Avast Antivirus Users - Black Screen

In the very rare case when AVG/Avast Antivirus is installed and the customer experiences the

GTNXi black screen, the solution is to add an antivirus exception for the TDS GTNXI Flight Sim

installation folder and the PC Trainer executable folder or to temporarily disable real-time

protection to confirm that this is the correct fix.

Since this is a moderately complex process, we suggest contacting tech support for instructions.

This problem has only been encountered with AVG/Avast Antivirus!

Performance Improvements

Below is a three step guide on improving performance of the TDS GTNXi within MSFS. We

recommend that all users apply these performance improvements for a much improved

experience.

Thanks to AirborneGeek for creating a YouTube video explaining all these performance steps in

details:

https://www.youtube.com/watch?v=naIefIcBvWw

Step 1:

Thanks to TDS GTNXi user and streamer Clumsy:

https://www.twitch.tv/theclumsygeek

And with the great assessment pointed by Ryan Butterworth

We have been able to find a proper solution for customers experiencing performance

degradation (FPS decrease) within MSFS and the TDS GTNXi.

As this problem occurs only on some machines and we can't correlate the exact cause, we can't

have a general fix, but we can point users who experience problems to this fix.

To resolve the problem, you must add an exclusion to Windows Defender for two processes:

gtn_simulator.exe and FlightSimulator.exe

As described here:

https://support.microsoft.com/en-us/wind...01afe13b26

When clicking on Add Exclusion, select Process and then type the name and the extension, as

shown above or in the screenshot below.

Step 2:

Enable a different drawing algorithm inside MSFS. With the Developer Mode active, access the

Options Menu, then under the Experimental section, check the "Use NanoVG for XML gauges"

This should decrease the load on the Main Thread and hopefully provide a performance

increase using the TDS GTNXi as a VC Integrated option.

Step 3:

Make sure to disable GPU Hardware Scheduling, then reboot the PC for the changes to take

effect:

https://www.makeuseof.com/windows-10-gpu...urning-on/

Important Note: Starting with version 1.0.2.5 of the TDS GTNXi, this is not needed

anymore as the TDS GTNXi works very well with GPU Hardware Scheduling (HAGS)

Tech Support

To obtain tech support for the TDS GTNXi, please post your questions to the support forum:

forum.tdssim.com

You can also obtain support in the official TDS Sim Software GTNXi Discord channel:

https://discord.gg/NupgPCUgsH

To keep up to date with news, pictures and all other TDS SIm Software information, you can

visit and Like our Facebook page:

https://www.facebook.com/tdssimsoftware

We stand by our products and we will treat all tech support questions with utmost importance.

We do our best to answer your question promptly.

For all other inquiries, please email us at:

[email protected]