OSTC 4 and OSTC 5

New Topic

234 topics

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

Announcements

Replies

Views

Last post

hwOS4: New Firmware 1.7.5 with RTE 3.70

Last post by swissdiving « 12 Jan 2026, 19:53
Replies: 1
by heinrichsweikamp » 12 Jan 2026, 18:31

1 Replies

32 Views

Last post by swissdiving
12 Jan 2026, 19:53
New registered user? Please read.

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

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

0 Replies

43935 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

31203 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

29500 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

32644 Views

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

Last post by Rob « 15 Oct 2023, 16:34
Replies: 48
by Rob » 03 Aug 2016, 18:36
1

2
48 Replies

1188172 Views

Last post by Rob
15 Oct 2023, 16:34

Topics

Replies

Views

Last post

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

121 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

698 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

2812 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

423 Views

Last post by swissdiving
06 Dec 2025, 19:02
OSTC 5 Compass not working and has never worked

Last post by Divert « 05 Dec 2025, 20:40
Replies: 13
by Divert » 09 Sep 2025, 04:54

13 Replies

4802 Views

Last post by Divert
05 Dec 2025, 20:40
Corrosion Housing OSTC 4

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

1 Replies

848 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

246911 Views

Last post by Thorsten
07 Nov 2025, 07:57
OSTC4 Batterie leert sich (zu?) schnell

Last post by heinrichsweikamp « 24 Oct 2025, 12:22
Replies: 2
by TomtheRom » 12 Sep 2025, 08:33

2 Replies

1289 Views

Last post by heinrichsweikamp
24 Oct 2025, 12:22
OSTC4 battery volt instead %

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

1 Replies

600 Views

Last post by Caper
19 Oct 2025, 18:29
Battery capacity

Last post by heinrichsweikamp « 24 Sep 2025, 11:04
Replies: 2
by Claude » 22 Sep 2025, 13:20

2 Replies

1623 Views

Last post by heinrichsweikamp
24 Sep 2025, 11:04
Release 1.7.2

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

4 Replies

138603 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

159552 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

6043 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

47383 Views

Last post by swissdiving
20 Jun 2025, 19:52
solid state 02 sensor

Last post by Thorsten « 15 Jun 2025, 19:20
Replies: 4
by TecDivingBremen » 11 Jun 2025, 17:32

4 Replies

4598 Views

Last post by Thorsten
15 Jun 2025, 19:20
OSTC Slow Ascent

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

5 Replies

14154 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

126185 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

301823 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

53275 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

4452 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

26555 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

65022 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

27885 Views

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

Last post by Divert « 13 Mar 2025, 17:27

by Divert » 13 Mar 2025, 17:27

0 Replies

6395 Views

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

Last post by heinrichsweikamp « 31 Jan 2025, 10:58
Replies: 13
by heinrichsweikamp » 14 Sep 2023, 14:01

13 Replies

289843 Views

Last post by heinrichsweikamp
31 Jan 2025, 10:58

New Topic

234 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