OSTC 4 and OSTC 5

New Topic

236 topics

Page 1 of 10
- Jump to page:
1
2
3
4
5
…
10
Next

Announcements

Replies

Views

Last post

hwOS4: New Firmware 1.7.6 beta with new Compass

Last post by heinrichsweikamp « 10 Jul 2026, 15:59

by heinrichsweikamp » 10 Jul 2026, 15:59

0 Replies

1618 Views

Last post by heinrichsweikamp
10 Jul 2026, 15:59
hwOS4: New Firmware 1.7.5 with RTE 3.70

Last post by TDFlo « 24 Mar 2026, 10:11
Replies: 10
by heinrichsweikamp » 12 Jan 2026, 18:31

10 Replies

40809 Views

Last post by TDFlo
24 Mar 2026, 10:11
New registered user? Please read.

Last post by heinrichsweikamp « 14 Feb 2024, 10:30
Posted in OSTC+, 3, cR, sport, nano and OSTC 2 (Mod. 2015 and later)

by heinrichsweikamp » 14 Feb 2024, 10:30 » in OSTC+, 3, cR, sport, nano and OSTC 2 (Mod. 2015 and later)

0 Replies

78845 Views

Last post by heinrichsweikamp
14 Feb 2024, 10:30
FAQ: Charging the OSTC 4

Last post by heinrichsweikamp « 16 Mar 2021, 12:04

by heinrichsweikamp » 16 Mar 2021, 12:04

0 Replies

38104 Views

Last post by heinrichsweikamp
16 Mar 2021, 12:04
New OSTC Companion 3.2.1

Last post by kuehnero « 23 Mar 2020, 12:49
Replies: 1
by heinrichsweikamp » 08 Jan 2020, 14:49

1 Replies

36234 Views

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

Last post by heinrichsweikamp3 « 18 Apr 2023, 11:58
Replies: 2
by heinrichsweikamp » 23 Jul 2018, 10:06

2 Replies

41187 Views

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

Last post by Rob « 10 Apr 2026, 13:20
Replies: 49
by Rob » 03 Aug 2016, 18:36
1

2
49 Replies

1444881 Views

Last post by Rob
10 Apr 2026, 13:20

Topics

Replies

Views

Last post

Ostc 5 subsurface Probleme iPhone

Last post by vinzithestar « 30 Jun 2026, 22:19
Replies: 3
by vinzithestar » 21 May 2026, 21:33

3 Replies

2730 Views

Last post by vinzithestar
30 Jun 2026, 22:19
OSTC 5 Compass not working and has never worked

Last post by UrsiGill « 01 Jun 2026, 12:51
Replies: 14
by Divert » 09 Sep 2025, 04:54

14 Replies

28527 Views

Last post by UrsiGill
01 Jun 2026, 12:51
Battery capacity

Last post by UrsiGill « 16 May 2026, 11:50
Replies: 3
by Claude » 22 Sep 2025, 13:20

3 Replies

11470 Views

Last post by UrsiGill
16 May 2026, 11:50
OSTC4 Batterie leert sich (zu?) schnell

Last post by Rob « 19 Mar 2026, 20:14
Replies: 7
by TomtheRom » 12 Sep 2025, 08:33

7 Replies

15475 Views

Last post by Rob
19 Mar 2026, 20:14
solid state 02 sensor

Last post by Peter51 « 02 Feb 2026, 15:38
Replies: 5
by TecDivingBremen » 11 Jun 2025, 17:32

5 Replies

14593 Views

Last post by Peter51
02 Feb 2026, 15:38
CCR cave bailout function request

Last post by sailor « 30 Jan 2026, 21:59

by sailor » 30 Jan 2026, 21:59

0 Replies

16394 Views

Last post by sailor
30 Jan 2026, 21:59
OSTC4 - wacht nicht mehr auf

Last post by Thorsten « 09 Jan 2026, 16:13
Replies: 1
by TomtheRom » 07 Jan 2026, 12:22

1 Replies

6329 Views

Last post by Thorsten
09 Jan 2026, 16:13
1.7.5 Beta with Surface GF

Last post by Thorsten « 08 Jan 2026, 21:00
Replies: 4
by heinrichsweikamp » 15 Dec 2025, 11:41

4 Replies

9888 Views

Last post by Thorsten
08 Jan 2026, 21:00
OSTC 4 freezing and Bluetooth issues

Last post by heinrichsweikamp « 03 Jan 2026, 15:53
Replies: 6
by Riku » 20 Dec 2025, 15:48

6 Replies

20629 Views

Last post by heinrichsweikamp
03 Jan 2026, 15:53
Gas Management [Feature Request / Suggestion]

Last post by swissdiving « 06 Dec 2025, 19:02
Replies: 2
by Divert » 04 Dec 2025, 21:46

2 Replies

7940 Views

Last post by swissdiving
06 Dec 2025, 19:02
Corrosion Housing OSTC 4

Last post by geba « 17 Nov 2025, 21:48
Replies: 1
by Paddelputzer » 24 Oct 2025, 12:06

1 Replies

6895 Views

Last post by geba
17 Nov 2025, 21:48
OSTC 5 dimentions

Last post by Thorsten « 07 Nov 2025, 07:57
Replies: 6
by bluebanana » 03 Aug 2025, 23:25

6 Replies

254991 Views

Last post by Thorsten
07 Nov 2025, 07:57
OSTC4 battery volt instead %

Last post by Caper « 19 Oct 2025, 18:29
Replies: 1
by Caper » 18 Oct 2025, 18:28

1 Replies

6777 Views

Last post by Caper
19 Oct 2025, 18:29
Release 1.7.2

Last post by chrisrms « 26 Jul 2025, 05:54
Replies: 4
by Pierrot48 » 24 Jul 2025, 15:17

4 Replies

145034 Views

Last post by chrisrms
26 Jul 2025, 05:54
Please Explain Future TTS Reading

Last post by geba « 04 Jul 2025, 13:41
Replies: 9
by Divert » 10 Jul 2024, 21:37

9 Replies

182395 Views

Last post by geba
04 Jul 2025, 13:41
Purchasing Strategy for dive computer(s)

Last post by heinrichsweikamp « 03 Jul 2025, 16:50
Replies: 11
by DiveLux » 29 Jun 2025, 08:21

11 Replies

26937 Views

Last post by heinrichsweikamp
03 Jul 2025, 16:50
log corrput, no data

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

12 Replies

66331 Views

Last post by swissdiving
20 Jun 2025, 19:52
OSTC Slow Ascent

Last post by Fabio89 « 02 Jun 2025, 21:27
Replies: 5
by Fabio89 » 01 Jun 2025, 20:27

5 Replies

22826 Views

Last post by Fabio89
02 Jun 2025, 21:27
OSTC5 - HWOS 1.6.9 /1.7.0 requests

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

1 Replies

132731 Views

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

Last post by swissdiving « 20 May 2025, 20:21
Replies: 25
by deepadrenalin » 07 Apr 2016, 10:58
1

2
25 Replies

388337 Views

Last post by swissdiving
20 May 2025, 20:21
hwOS4: New Firmware 1.6.9 with RTE 3.40

Last post by heinrichsweikamp « 06 May 2025, 14:44
Replies: 1
by heinrichsweikamp » 31 Jan 2025, 10:58

1 Replies

59439 Views

Last post by heinrichsweikamp
06 May 2025, 14:44
hwOS4: New Firmware 1.7.1 with RTE 3.50

Last post by heinrichsweikamp « 06 May 2025, 14:44

by heinrichsweikamp » 06 May 2025, 14:44

0 Replies

21582 Views

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

Last post by DiveLux « 05 May 2025, 12:28
Replies: 2
by DiveLux » 05 May 2025, 07:55

2 Replies

33480 Views

Last post by DiveLux
05 May 2025, 12:28
OSTC 4 with 3x Solid-State Sensor

Last post by heinrichsweikamp « 05 May 2025, 10:25
Replies: 8
by petkozaric » 13 Apr 2023, 11:28

8 Replies

79903 Views

Last post by heinrichsweikamp
05 May 2025, 10:25
Firmware-Update bricht ab

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

3 Replies

34067 Views

Last post by swissdiving
22 Mar 2025, 06:32

New Topic

236 topics

Page 1 of 10
- Jump to page:
1
2
3
4
5
…
10
Next

Return to Board Index

Forum permissions

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum