X9i: How to Achieve a Maximum Performance?

Willem.Minten@telenet.be

Creation date: June 3, 2006 

Last revision date: April 19, 2008

(covers Suunto Trek Manager 1.2.1.,  Suunto Track Exporter 1.0.0. (the latest STM and STE can be found here), as well as GPSBabelGUI, GPSVisualizer and CompeGPS.

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Fora on SUUNTO X9i:

        Yahoo WriststopTrainers forum: http://health.groups.yahoo.com/group/WriststopTrainers/ . Only in this forum I reply on questions concerning this compendium.

        ‘X9i User’s Group’  and the ‘Cross Forum’  in SuuntoSports: http://suuntosports.com/Default.asp


 

 

 

Table of contents

 

1    About this document 4

2    Birds eye view of the features of the X9i trekking wristop. 5

3    First things first 6

3.1       Charging the X9i 6

3.2       Setting up the X9i 7

3.2.1     X9i user interface and DISPLAY MODES. 7

3.2.2     Setting up the displayed GPS UNITS. 10

3.2.2.1     Available datums and position notations in X9i 10

3.2.2.2     How to set correctly the datum and position format in X9i? 12

3.2.2.2.1     Problem statement 12

3.2.2.2.2     Correct assignment procedure. 13

3.2.2.3     An example showing the assignment procedure. 15

3.2.3     Setting up the current time. 18

3.2.4     Setting up the X9i with STM. 18

3.3       GPS FIX. 18

4    Recording Tracks, ALTitude, MEMory points and other data. 19

4.1       Recording Tracks and ALTitude. 20

4.1.1     Accurate position recording. 20

4.1.1.1       Start a  track log AFTER the ACTIVITY is set to .. 20

4.1.1.2     Continue a track log NOT by setting the GPS ‘on’ 21

4.1.1.3     GPSFIX, recording intervals, memory capacity, battery lifetime. 21

4.1.2     Accurate altitude recording. 23

4.1.2.1     Influences on altitude measurement: barometric drift and ISA. 23

4.1.2.2     Guidelines to obtain very accurate estimations of the altitude. 24

4.1.2.3     Altitude measurements at the same spot 26

4.1.2.4     A few practical examples 28

4.1.2.4.1     Example 1: Pic de Moufons 28

4.1.2.4.2     Example 2: Puigmal 29

4.1.2.4.3     A last example. 31

4.1.2.5     Conclusions on ISA corrections 31

4.2       Recording MEMORY points. 32

4.3       Instant display of the recorded data. 32

5    Displaying Tracks. 33

5.1       Digital mapping software with X9i drivers. 33

5.1.1     Displaying Tracks in CompeGPS. 34

5.1.1.1     Setting up CompeGPS LAND. 34

5.1.1.2     Reading Tracks / Routes / Waypoints 35

5.1.1.3     Mapping in CompeGPS: OPTION 1: Internet servers. 38

5.1.1.4     Mapping in CompeGPS: OPTION 2: Digital maps. 43

5.1.1.5     Mapping in CompeGPS: OPTION 3: Scanned maps 44

5.1.1.6     Putting things together in 3D. 47

5.1.2     Displaying Tracks in STM (Suunto Track Manager) 48

5.1.2.1     Setting up X9i with STM. 48

5.1.2.2     Calibrating a scanned map, and displaying maps 50

5.1.2.3     Reading and displaying Tracks, Waypoints, Routes 54

5.2       Digital mapping software without X9i drivers. 54

5.2.1     Displaying in other software than Google Earth. 55

5.2.1.1     Example: Transcode track logs with GPSBabel to NGI Digital Topographic Maps 55

5.2.2     Displaying in GoogleEarth. 58

5.2.2.1     Transcoding to GoogleEarth with GPSVisualizer 58

5.2.2.2     Transcoding to GoogleEarth with STE (Suunto Track Exporter) 61

5.3       What to do with Google tracks ?. 63

6    Programming Routes. 66

6.1       Digital mapping software with X9i drivers. 66

6.1.1     Programming Routes / Individual Waypoints in COMPEGPS. 66

6.1.1.1     Creating a ROUTE/WAYPOINT. 66

6.1.1.2     Writing the Route to X9i 70

6.1.2     Programming Routes / Individual Waypoints in STM. 70

6.1.2.1     Creating a Route from scratch. 71

6.1.2.2     Editing/Inserting/Deleting a Waypoint somewhere in the route. 72

6.1.2.2.1     Editing. 72

6.1.2.2.2     Inserting. 72

6.1.2.3     Splitting the Route into pieces 74

6.1.2.4     Concatenate two Routes together 75

6.2       Digital mapping software without X9i drivers. 76

6.3       Direct programming on the X9i display. 76

6.3.1     Be careful about the map DATUM and Grid. 78

6.4       Track Back. 81

7    Instant Navigation. 82

7.1       Navigation options. 82

7.2       The Navigation Display. 83

7.3       Compass display mode. 85

8    Position accuracy of the X9i 87

8.1       Precautions. 87

8.2       Three illustrative examples. 87

8.2.1     Demanding example. 88

8.2.2     A less demanding example. 89

8.2.3     A best practice example for demanding conditions 90

8.3       Which distance is the most accurate one?. 91

9    On the field charging. 91

9.1       Shoping list 91

9.2       Assembly. 92

9.3       Which battery pack is the best?. 94

9.4       Effects of degraded charging. 95

9.5       Alternatives; but watch out. 95

10     Using X9i in real life: how to make things work. 96

10.1     Preparation of the hike: creation of the route. 96

10.2     Executing the hike. 99

10.3     Post journey analysis. 100

11     Pitfalls and workarounds. 102

11.1     Firmware bugs, abnormal behavior in X9i 102

11.2     Weak points of X9i and related best practices. 103

11.3     Bugs and weak points in STM + workarounds. 105

12     APPENDIX: Cartography and GPS in a nutshell 106

12.1     datums and position coordinate systems. 106

12.1.1      Orthometric and ellipsoidal height 106

12.1.2      Geographic and square coordinates 108

12.2     GPS and maps. 112

12.3     Do certain UTM coordinates refer always to the same location on earth?. 113

12.4     Further readings. 114

13     File formats. 115

14     Some valuable functions. 116

15     Document printing instructions. 117

 

 

 

 

 

This document does not explain the weaknesses (bugs, weird effects) and strengths of the X9i and accompanying Suunto Trek Manager ‘alone’.  It reports as well on how you can get the maximum out of this tiny wristop GPS navigator. This is done by discussing how to use the X9i from the very first beginning, how to avoid bootstraps, and how to integrate the X9i intelligently with other valuable softwares.

 

The document is set up in the same chronological order as you would use the X9i and accompanying softwares:

1.      First you would like to set up the X9i ( Chapter 3) to record a first track log (Chapter 4);

2.      Then you would like to display that first track log onto a digitized map or in digital mapping software (Chapter 5);

3.      The next logical step is to program a WAYPOINT or a ROUTE (Chapter 6);

4.      Then all the different navigation guidance of the X9i is discussed (Chapter 7);

5.      At last the expected accuracy and navigation sensitivity is discussed (Chapter 8), the problem of the on the field charging (Chapter 9) is solved, and the pitfalls of the X9i and STM software are enlisted (Chapter 11).

6.      Chapter 10 tells a real life experience with X9i

An Appendix (Chapter 12) containing the essentials of GPS and cartography is provided; and must-know shortcuts are enlisted in Chapter 14.

 

Discussions and comments on this document are welcome in the Yahoo WriststopTrainers discussion group (http://health.groups.yahoo.com/group/WriststopTrainers/ ).

 

Good luck with your trekking mate!

 

© This document, even parts of it, may not be reused in any form by other people or (commercial) companies. Hyperlinking is allowed, as well as use for personal purposes for X9i owners.