OSTC 4 and OSTC 5

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hwOS4: New Firmware 1.7.1 with RTE 3.50

Last post by heinrichsweikamp « Tuesday 6. May 2025, 14:44

by heinrichsweikamp » Tuesday 6. May 2025, 14:44

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Last post by heinrichsweikamp
Tuesday 6. May 2025, 14:44
New registered user? Please read.

Last post by heinrichsweikamp « Wednesday 14. February 2024, 10:30
Posted in OSTC+, OSTC3, cR, sport and OSTC 2 (Mod. 2015 and later)

by heinrichsweikamp » Wednesday 14. February 2024, 10:30 » in OSTC+, OSTC3, cR, sport and OSTC 2 (Mod. 2015 and later)

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Wednesday 14. February 2024, 10:30
FAQ: Charging the OSTC 4

Last post by heinrichsweikamp « Tuesday 16. March 2021, 12:04

by heinrichsweikamp » Tuesday 16. March 2021, 12:04

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New OSTC Companion 3.2.1

Last post by kuehnero « Monday 23. March 2020, 12:49
Replies: 1
by heinrichsweikamp » Wednesday 8. January 2020, 14:49

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Last post by kuehnero
Monday 23. March 2020, 12:49
Updating OSTC 4 and OSTC 5 - HowTo

Last post by heinrichsweikamp3 « Tuesday 18. April 2023, 11:58
Replies: 2
by heinrichsweikamp » Monday 23. July 2018, 10:06

2 Replies

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Last post by heinrichsweikamp3
Tuesday 18. April 2023, 11:58
OSTC Tools for Windows - HWOS Config for Android

Last post by Rob « Sunday 15. October 2023, 16:34
Replies: 48
by Rob » Wednesday 3. August 2016, 18:36
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Please Explain Future TTS Reading

Last post by geba « Friday 4. July 2025, 13:41
Replies: 9
by Divert » Wednesday 10. July 2024, 21:37

9 Replies

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Last post by geba
Friday 4. July 2025, 13:41
Purchasing Strategy for dive computer(s)

Last post by heinrichsweikamp « Thursday 3. July 2025, 16:50
Replies: 11
by DiveLux » Sunday 29. June 2025, 08:21

11 Replies

1372 Views

Last post by heinrichsweikamp
Thursday 3. July 2025, 16:50
log corrput, no data

Last post by swissdiving « Friday 20. June 2025, 19:52
Replies: 12
by tdewilt2 » Saturday 11. May 2024, 21:59

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Last post by swissdiving
Friday 20. June 2025, 19:52
solid state 02 sensor

Last post by Thorsten « Sunday 15. June 2025, 19:20
Replies: 4
by TecDivingBremen » Wednesday 11. June 2025, 17:32

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Last post by Thorsten
Sunday 15. June 2025, 19:20
OSTC Slow Ascent

Last post by Fabio89 « Monday 2. June 2025, 21:27
Replies: 5
by Fabio89 » Sunday 1. June 2025, 20:27

5 Replies

2006 Views

Last post by Fabio89
Monday 2. June 2025, 21:27
OSTC5 - HWOS 1.6.9 /1.7.0 requests

Last post by Fabio89 « Friday 30. May 2025, 07:30
Replies: 1
by swissdiving » Friday 28. March 2025, 18:42

1 Replies

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Last post by Fabio89
Friday 30. May 2025, 07:30
Air Integration

Last post by swissdiving « Tuesday 20. May 2025, 20:21
Replies: 25
by deepadrenalin » Thursday 7. April 2016, 10:58
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Last post by swissdiving
Tuesday 20. May 2025, 20:21
hwOS4: New Firmware 1.6.9 with RTE 3.40

Last post by heinrichsweikamp « Tuesday 6. May 2025, 14:44
Replies: 1
by heinrichsweikamp » Friday 31. January 2025, 10:58

1 Replies

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Last post by heinrichsweikamp
Tuesday 6. May 2025, 14:44
OSTC 5 connecting to Subsurface Divelog

Last post by DiveLux « Monday 5. May 2025, 12:28
Replies: 2
by DiveLux » Monday 5. May 2025, 07:55

2 Replies

5886 Views

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Monday 5. May 2025, 12:28
OSTC 4 with 3x Solid-State Sensor

Last post by heinrichsweikamp « Monday 5. May 2025, 10:25
Replies: 8
by petkozaric » Thursday 13. April 2023, 11:28

8 Replies

41439 Views

Last post by heinrichsweikamp
Monday 5. May 2025, 10:25
Firmware-Update bricht ab

Last post by swissdiving « Saturday 22. March 2025, 06:32
Replies: 3
by ple » Saturday 15. March 2025, 20:17

3 Replies

25386 Views

Last post by swissdiving
Saturday 22. March 2025, 06:32
Glitch on OSTC4 with latest firmware.

Last post by Divert « Thursday 13. March 2025, 17:27

by Divert » Thursday 13. March 2025, 17:27

0 Replies

4107 Views

Last post by Divert
Thursday 13. March 2025, 17:27
hwOS4: New Firmware 1.6.5 with RTE 3.20

Last post by heinrichsweikamp « Friday 31. January 2025, 10:58
Replies: 13
by heinrichsweikamp » Thursday 14. September 2023, 14:01

13 Replies

285166 Views

Last post by heinrichsweikamp
Friday 31. January 2025, 10:58
Energieverbrauch/Ladeprobleme/Korrosion

Last post by Walde « Thursday 16. January 2025, 15:11
Replies: 7
by Paddelputzer » Monday 25. November 2024, 11:38

7 Replies

20185 Views

Last post by Walde
Thursday 16. January 2025, 15:11
Warming while charging

Last post by Walde « Monday 25. November 2024, 17:26
Replies: 9
by Walde » Wednesday 20. July 2022, 19:05

9 Replies

60761 Views

Last post by Walde
Monday 25. November 2024, 17:26
Corrosion on the OSTC4

Last post by heinrichsweikamp « Monday 4. November 2024, 11:38
Replies: 13
by Divert » Tuesday 1. October 2024, 22:50

13 Replies

48156 Views

Last post by heinrichsweikamp
Monday 4. November 2024, 11:38
OSTC4 not calculating Deco correctly. Possible Bug?

Last post by Thorsten « Sunday 20. October 2024, 21:27
Replies: 12
by Divert » Thursday 20. June 2024, 08:36

12 Replies

42951 Views

Last post by Thorsten
Sunday 20. October 2024, 21:27
Greenflash O2 Sensor

Last post by swissdiving « Sunday 29. September 2024, 07:59
Replies: 2
by jostein » Thursday 26. September 2024, 11:47

2 Replies

14170 Views

Last post by swissdiving
Sunday 29. September 2024, 07:59
No fly waiting time

Last post by heinrichsweikamp « Thursday 11. July 2024, 18:01
Replies: 5
by algo » Sunday 15. January 2023, 12:38

5 Replies

29591 Views

Last post by heinrichsweikamp
Thursday 11. July 2024, 18:01
OSTC 4 Luftdruck Anzeige / Messung zu hoch

Last post by g.klose « Thursday 4. July 2024, 12:06
Replies: 2
by g.klose » Thursday 4. July 2024, 10:33

2 Replies

11910 Views

Last post by g.klose
Thursday 4. July 2024, 12:06
How to show Vertical Speed [Feature Request / suggestion]

Last post by Divert « Monday 1. July 2024, 21:49
Replies: 2
by Divert » Friday 28. June 2024, 00:18

2 Replies

11373 Views

Last post by Divert
Monday 1. July 2024, 21:49
OSTC4 Vs Shearwater Perdix 2 Real world diferences

Last post by Divert « Thursday 20. June 2024, 08:53
Replies: 10
by Divert » Friday 14. June 2024, 23:12

10 Replies

46983 Views

Last post by Divert
Thursday 20. June 2024, 08:53
VPM or VPM-B?

Last post by swissdiving « Thursday 13. June 2024, 05:58
Replies: 5
by Caper » Wednesday 21. February 2024, 18:00

5 Replies

20170 Views

Last post by swissdiving
Thursday 13. June 2024, 05:58
VPM-B difference OCTS and subsurface

Last post by Divert « Wednesday 12. June 2024, 22:56
Replies: 4
by tdewilt2 » Monday 27. February 2023, 08:55

4 Replies

26821 Views

Last post by Divert
Wednesday 12. June 2024, 22:56
Middle button does not work anymore

Last post by heinrichsweikamp « Tuesday 16. April 2024, 08:51
Replies: 3
by chrisrms » Sunday 14. April 2024, 07:36

3 Replies

15955 Views

Last post by heinrichsweikamp
Tuesday 16. April 2024, 08:51

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