Triadis Altair Manuale utente

triadis engineering GmbH – Eichholzstrasse 7 – Postfach – CH-3254 Messen

Phone: +41 (0)31 768 15 15 – Fax: +41 (0)31 768 15 16 – Internet: www.triadis.ch – E-Mail: [email protected]

Document name: XCSoar-A-EN

Document version: 1.8

Release date: 03/07/2008

Manual (Altair version)

Notes

i XCSoar Manual (Altair version) •XCSoar-A-EN

Preface

Revision history

Revision Date Status Author Changes, comments

1.6 EN 15/09/2007 released J.Wharington Standard XCSoar manual

1.7 EN 08/01/2008 draft D.Wettstein Altair version, layout rework

1.7 GR 02/02/2008 draft D.Wettstein German translation

1.8 03/07/2008 released D.Wettstein New features, XCSoar Altair ver-

sion 5.2

This manual applies to XCSoar version 5.2. The authors reserve the right to update this manual as

enhancements are made throughout the life of this product.

Warnings and precautions

IT IS THE USER’S RESPONSIBILITY TO USE THIS SOFTWARE PRUDENTLY. THIS SOFT-

WARE IS INTENDED TO BE USED ONLY AS A NavIGATION AID AND MUST NOT BE

USED FOR ANY PURPOSE REQUIRING PRECISE MEASUREMENT OF DIRECTION, DIS-

TANCE, LOCATION, OR TOPOGRAPHY. THIS SOFTWARE SHOULD NOT BE USED AS

AN AID TO DETERMINE GROUND PROXIMITY FOR AIRCRAFT NavIGATION. THIS SOFT-

WARE SHOULD NOT BE USED AS A TRAFFIC COLLISION AVOIDANCE SYSTEM.

Legal notices

Software license agreement

This software is released according to the GNU General Public License Version 2. See Appendix A

for the full text of the agreement and warranty notice.

Limited liability

In no event shall XCSoar, or its principals, shareholders, ofﬁcers, employees, afﬁliates, contrac-

tors, subsidiaries, or parent organizations, be liable for any incidental, consequential, or punitive

damages whatsoever relating to the use of the Product.

Disclaimer

This product, and all accompanying ﬁles, data and materials, are distributed ”as is” and with no

warranties of any kind, whether express or implied. This product is used entirely at the risk of

the user. Although great care has been taken to eliminate defects during its development it is not

claimed to be fault-free. No claims are made regarding its correctness, reliability or ﬁtness for any

particular purpose. The XCSoar project developers and contributors shall not be liable for errors

contained herein or for incidental or consequential damages, loss of data or personal injury in

connection with furnishing, performance, or use of this material.

XCSoar Manual (Altair version) •XCSoar-A-EN ii

CONTENTS

Contents

1 Introduction 1

1.1 Organisation of this manual . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

1.2 System requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

1.3 Running XCSoar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

1.4 Through-life support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1.5 Using XCSoar safely . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

1.6 Graphical elements in this document . . . . . . . . . . . . . . . . . . . . . . 4

2 User Interface 5

2.1 Button labels and menus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

2.1.1 NAV menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2.1.2 DISP menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.1.3 Pan mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.1.4 CONF menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

2.1.5 INFO Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

2.2 InfoBoxes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

2.3 Dialog windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

2.3.1 Waypoint Select . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

2.3.2 Change Task Point . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

2.3.3 Change Landing Point . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

2.3.4 Task Editor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

2.3.5 Team Code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

2.3.6 Setup Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

2.3.7 Screen Brightness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

2.3.8 Setup MacCready . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

2.3.9 Basic Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

2.3.10 Wind Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

2.3.11 Airspace Browser . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

2.3.12 Setup Vega . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

2.3.13 Conﬁguration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

2.3.14 Altair Flight Recorder Setup . . . . . . . . . . . . . . . . . . . . . . . . . 14

2.3.15 Waypoint Info . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

2.3.16 Waypoint Browser . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

2.3.17 Airspace Info . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

2.3.18 Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

2.3.19 Analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

2.3.20 Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

2.4 Status messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

2.5 Status dialog . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

2.6 Text entry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

2.7 Sounds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

2.8 Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

2.9 Help system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

iii XCSoar Manual (Altair version) •XCSoar-A-EN

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3 Display Elements 21

3.1 Zoom and map scale . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

3.2 Panning the map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

3.3 Glider symbol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

3.4 Trail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

3.5 Glide range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

3.6 Map elements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

3.7 Markers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

3.8 Active task elements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

3.9 Thermal proﬁle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

3.10 Other . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

4 Cross Country Tasks 29

4.1 NAV Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

4.2 Task Editor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

4.3 Task calculator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

4.4 Waypoint Browser . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

4.5 Waypoint Info . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

4.6 AAT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

4.7 OnLine Contest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

4.8 Logger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

5 Glide Computer 45

5.1 Flight modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

5.2 MacCready settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

5.3 Glide polar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

5.4 Basic settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

5.5 Speed to ﬂy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

5.6 Safety heights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

5.7 Final glide calculator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

5.8 Display of altitude required . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

5.9 Task speed estimation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

5.10 Optimal cruise track . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

5.11 Analysis dialog: Glide polar . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

5.12 Flight notiﬁcations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

5.13 Sunlight and time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

6 Atmosphere and Instruments 58

6.1 Variometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

6.2 Air data inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

6.3 Wind display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

6.4 Wind estimation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

6.5 Wind settings dialog . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

6.6 Thermal locator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

6.7 Convection forecast . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

XCSoar Manual (Altair version) •XCSoar-A-EN iv

CONTENTS

6.8 Analysis dialog: Wind, Temperature, Barograph and Climb history . . . . . . . 62

7 Airspace, Trafﬁc and Team Flying 65

7.1 Airspace display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

7.2 Incursion events . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

7.3 Airspace warning levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

7.4 Airspace warning dialog . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

7.5 Airspace warning acknowlegement . . . . . . . . . . . . . . . . . . . . . . . 68

7.6 Airspace Info dialog . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

7.7 Airspace Browser dialog . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

7.8 Analysis dialog: Airspace . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

7.9 FLARM trafﬁc display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

7.10 Team ﬂying . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

8 Avionics and Airframe 75

8.1 GPS connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

8.2 Switch inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

8.3 Switch Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

8.4 Aircraft radio transceiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

8.5 Supported variometers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

8.6 Other avionics devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77

8.7 Slave mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77

8.8 Interface to external loggers . . . . . . . . . . . . . . . . . . . . . . . . . . . 77

9 Quickstart 78

9.1 Local ﬂight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78

9.2 FAI Task . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79

9.3 FAI Task, Manual Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80

9.4 AAT Task, Manual Arm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80

9.5 Task with alternate start sectors . . . . . . . . . . . . . . . . . . . . . . . . . 83

10 InfoBox Reference 84

10.1 Altitude . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84

10.2 Aircraft state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84

10.3 Glide ratio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85

10.4 Variometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86

10.5 Atmosphere . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87

10.6 MacCready . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87

10.7 Navigation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88

10.8 Waypoint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90

10.9 Team code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91

11 Conﬁguration 92

11.1 Site . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94

11.2 Airspace . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95

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11.3 Map Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97

11.4 Terrain display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99

11.5 Glide computer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101

11.6 Safety factors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103

11.7 Polar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104

11.8 Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105

11.9 Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106

11.10 Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107

11.11 Appearance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108

11.12 InfoBox . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110

12 Data Files 111

12.1 File management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111

12.2 Terrain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111

12.3 Topology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111

12.4 Waypoints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111

12.5 Airspace . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112

12.6 Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112

12.7 Airﬁeld details . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112

12.8 Glide polar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113

12.9 Proﬁles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118

12.10 Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118

12.11 Tasks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118

12.12 Flight logs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119

12.13 Input events . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119

12.14 Language . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119

12.15 Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120

12.16 FLARM Identiﬁcation ﬁle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120

12.17 Dialog ﬁles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120

13 About XCSoar 121

13.1 Product history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121

13.2 Get involved . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121

13.3 Open source philosophy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122

13.4 Development process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122

13.5 User base . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123

13.6 Credits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123

A GNU General Public License 125

XCSoar Manual (Altair version) •XCSoar-A-EN vi

1 INTRODUCTION

1 Introduction

This document is a pilot’s manual that describes the functionality of XCSoar when used with Altair.

XCSoar is an open source glide navigation system for portable devices. The audience is assumed

to have a sound knowledge of the fundamental theory of ﬂight for gliders, and at least a basic

working knowledge of cross-country soaring.

Updates to the XCSoar software may result in some of this manual being out of date. You should

read the release notes distributed with the software to keep track of changes. Updates to the

manual and software are available from http://www.triadis.ch .

1.1 Organisation of this manual

This manual is broadly organised into the major functions of the software from a pilot’s perspective.

The remainder of this section deals with how to download, install and run the software on various

platforms. Section 2 introduces the user interface concepts and gives an overview of the display.

Section 3 describes the moving map part of the display in greater detail and describes how the

software can assist in general navigation. Section 4 describes how cross-country tasks are spec-

iﬁed and ﬂown, and presents some of the analysis tools available to pilots to help improve their

performance. Section 5 goes into further detail on the glide computer functions as it is important

for pilots to be aware of how the computer performs its calculations.

Section 6 describes how the computer can interface to variometers and other air data sensors,

and how it uses these measurements to provide various models of the atmosphere, in particular

on winds and thermal convection. Section 7 describes how XCSoar can assist in managing ﬂight

in special use airspace and the FLARM collision awareness system. Section 8 deals with systems

integration and systems diagnostics, the integration of XCSoar with communications devices and

with airframe switches.

The remainder of the manual contains mainly reference material. Section 10 lists the types of

information that can be displayed in the grid of InfoBoxes next to the map display. The conﬁguration

of the software is described in detail in section 11. The formats of the various data ﬁles that program

uses, as well as where to obtain them from and how to edit them, is described in section 12.

Finally, a short history and discussion of XCSoar’s development process is presented in section 13.

1.2 System requirements

•Altair The triadis engineering GmbH Altair glide computer is a glide computer factory installed

with XCSoar.

•GPS data source The Altair Pro version contains an internal GPS. The standard version addi-

tionally needs an external GPS data input. This must be a NMEA-0183 data source that

outputs GPRMC and GPGGA sentences. Suitable devices include handheld serial GPS

devices, glider ﬂight loggers, GPS-integrated variometers, and FLARM. Up to two GPS de-

vices may be used simultaneously, giving XCSoar a degree of redundancy of the GPS ﬁxes.

1.3 Running XCSoar

XCSoar starts up automatically when Altair is powered on. The PWR/ESC button (top left) on Altair

has multiple functions:

1 XCSoar Manual (Altair version) •XCSoar-A-EN

1 INTRODUCTION

•Powering on Press and hold the PWR/ESC button for one second. The LED in the button will

light up, and XCSoar will start after Altair has booted.

•Powering off Press and hold the PWR/ESC button for approx. two seconds. Altair will switch

off.

•Escape Pressing the PWR/ESC button quickly acts as an Escape key, typically used to close

dialog pages or as a cancel function.

Start-up and user proﬁles

When XCSoar starts up, it displays a start-up screen with a safety reminder and a proﬁle selector.

XCSoar allows multiple independent conﬁgurations to coexist for different purposes, such as:

•Different pilots

•Competition versus casual ﬂying

•Flying in different locations

These conﬁgurations can be saved in proﬁles. To proceed, select your proﬁle and press Enter.

The customization of proﬁles is described brieﬂy in section 12. When multiple proﬁles are avail-

able, changes to conﬁguration settings will only affect the proﬁle selected at start-up; others are

unaffected.

Splash screen

When XCSoar starts up, shuts down, or loads large ﬁles, such as airspace, waypoints etc, a

progress bar with a description of the current process is shown below the safety reminder. The

current software version is displayed in the header.

XCSoar Manual (Altair version) •XCSoar-A-EN 2

1 INTRODUCTION

Last ﬂight statistics

The previous ﬂight’s statistics are automatically saved when XCSoar is shut down, and loaded

again at startup. This allows the ﬂight to be reviewed even after shutting down Altair. Note that

these persistent ﬂight statistics use approximately 85 kilobytes of storage.

Previous ﬂight statistics are automatically reset on a new takeoff in order not to affect the current

ﬂight.

Persistent settings

The basic settings (MacCready setting, Bugs, Ballast, QNH, maximum forecast temperature) are

preserved when XCSoar shuts down and restored when XCSoar initialises.

Exiting the program

To shut down Altair (XCSoar), press the PWR/ESC button for approx. two seconds and conﬁrm the

shutdown process by pressing YES on the dialog that comes up.

1.4 Through-life support

Troubleshooting

A small team of dedicated developers produces XCSoar. Although we are happy to help with the

use of our software, we cannot teach you about basics of modern information technology. There

are ample existing resources dealing with these. If you have a question about XCSoar please email

us at xcsoar-[email protected].

You may ﬁnd some solutions to standard problems in the Frequently Asked Questions (FAQ) section

of the XCSoar website.

Furthermore, we recommend to subscribe to the XCSoar users mailing list so you will be kept up

to date with latest developments.

A log ﬁle of the startup functions of XCSoar is generated to the ﬁle xcsoar-startup.log. This

is transferred to the ‘FromAltair’ directory by AltairSync if a USB drive is plugged in when Altair is

ﬁrst switched on. It can then be sent to the XCSoar developers to help determine the cause if the

program crashes at startup.

XCSoarPC

XCSoarPC may be used to become familiar with XCSoar’s interface and functionality in the comfort

of one’s home. All ﬁles and conﬁguration used by XCSoarPC are identical to the Altair versions, so

it can be helpful to try out customizations on the PC version before using them in ﬂight.

XCSoarPC can also be connected to external devices and operates just as Altair does. Suggested

uses include:

•Connect the PC to a FLARM device to use XCSoarPC as a ground station display of

FLARM-equipped trafﬁc.

•Connect the PC to an intelligent variometer such as Vega to test conﬁguration settings of

the variometer.

3 XCSoar Manual (Altair version) •XCSoar-A-EN

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