OSTC+, 3, cR, sport, nano and OSTC 2 (Mod. 2015 and later)

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Announcements

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hwOS TECH: New Firmware 3.37

Last post by dadefay « 14 Oct 2026, 15:59
Replies: 6
by heinrichsweikamp » 31 May 2026, 16:54

6 Replies

74228 Views

Last post by dadefay
14 Oct 2026, 15:59
hwOS Sport: New Firmware 10.97

Last post by heinrichsweikamp « 24 May 2026, 16:23

by heinrichsweikamp » 24 May 2026, 16:23

0 Replies

74422 Views

Last post by heinrichsweikamp
24 May 2026, 16:23
Using Subsurface to update BLE-only OSTC

Last post by heinrichsweikamp « 09 Apr 2026, 10:22

by heinrichsweikamp » 09 Apr 2026, 10:22

0 Replies

95161 Views

Last post by heinrichsweikamp
09 Apr 2026, 10:22
New registered user? Please read.

Last post by heinrichsweikamp « 14 Feb 2024, 10:30

by heinrichsweikamp » 14 Feb 2024, 10:30

0 Replies

230933 Views

Last post by heinrichsweikamp
14 Feb 2024, 10:30
New OSTC Companion 3.2.1

Last post by gordon mackie « 18 Jun 2025, 17:03
Replies: 12
by heinrichsweikamp » 08 Jan 2020, 14:54

12 Replies

190263 Views

Last post by gordon mackie
18 Jun 2025, 17:03
FAQ: Batteries in the OSTC plus

Last post by heinrichsweikamp « 19 Sep 2023, 12:48
Replies: 1
by heinrichsweikamp » 07 May 2019, 17:44

1 Replies

149700 Views

Last post by heinrichsweikamp
19 Sep 2023, 12:48
OSTC Tools for Windows - HWOS Config for Android

Last post by Rob « 10 Apr 2026, 13:20
Replies: 38
by Rob » 03 Aug 2016, 18:35
1

2
38 Replies

939275 Views

Last post by Rob
10 Apr 2026, 13:20
Updating OSTC 3, sport, Plus, cR and OSTC 2 - HowTo

Last post by jp01000 « 14 May 2025, 17:58
Replies: 6
by heinrichsweikamp » 02 Feb 2015, 09:56

6 Replies

212712 Views

Last post by jp01000
14 May 2025, 17:58

Topics

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Batteriewechsel OSTC Sport in FW 10.52 mit Problemen

Last post by heinrichsweikamp « 14 Aug 2019, 11:15
Replies: 11
by Udo » 02 Mar 2019, 15:43

11 Replies

10417 Views

Last post by heinrichsweikamp
14 Aug 2019, 11:15
OSTC 2 Lader wasserdicht?

Last post by heinrichsweikamp « 12 Aug 2019, 22:06
Replies: 1
by Duglum » 12 Aug 2019, 21:44

1 Replies

2816 Views

Last post by heinrichsweikamp
12 Aug 2019, 22:06
hwOS: sport vs tech saturation/desaturation step size

Last post by jb2cool « 12 Aug 2019, 15:34
Replies: 6
by jlm » 11 Feb 2019, 14:18

6 Replies

6258 Views

Last post by jb2cool
12 Aug 2019, 15:34
Decompression Calculations

Last post by jb2cool « 12 Aug 2019, 15:34
Replies: 7
by robmason » 30 Apr 2019, 14:46

7 Replies

8483 Views

Last post by jb2cool
12 Aug 2019, 15:34
OSTC Sport Character size

Last post by obetz « 11 Aug 2019, 18:45
Replies: 9
by obetz » 08 Aug 2019, 19:45

9 Replies

5676 Views

Last post by obetz
11 Aug 2019, 18:45
TTS is adding Safety Stop (3')

Last post by heinrichsweikamp « 10 Aug 2019, 15:42
Replies: 17
by Raf » 02 Aug 2019, 13:58

17 Replies

52693 Views

Last post by heinrichsweikamp
10 Aug 2019, 15:42
hwOS Tech: 3.03 beta 1 released

Last post by heinrichsweikamp « 10 Aug 2019, 15:19
Replies: 50
by heinrichsweikamp » 03 Jun 2019, 13:58
1

2

3
50 Replies

192871 Views

Last post by heinrichsweikamp
10 Aug 2019, 15:19
OSTC Download now integrated in Diving Log for Android

Last post by Arno « 08 Aug 2019, 08:27
Replies: 4
by divinglog » 03 Aug 2019, 15:58

4 Replies

7510 Views

Last post by Arno
08 Aug 2019, 08:27
Strange characters when entering deco

Last post by Ralph « 06 Aug 2019, 19:45
Replies: 4
by Raf » 30 Jul 2019, 13:20

4 Replies

4905 Views

Last post by Ralph
06 Aug 2019, 19:45
Battery OSTC plus

Last post by h2oaddict « 06 Aug 2019, 13:54
Replies: 5
by Cheyenix » 03 Jun 2019, 19:58

5 Replies

3898 Views

Last post by h2oaddict
06 Aug 2019, 13:54
Tauchgang unter 1m...

Last post by Joe « 25 Jul 2019, 06:10
Replies: 10
by Joe » 21 Jul 2019, 09:19

10 Replies

11545 Views

Last post by Joe
25 Jul 2019, 06:10
OSTC plus upgrade from hwOS sport to hwOS tech

Last post by abcdef « 22 Jul 2019, 15:51
Replies: 2
by abcdef » 22 Jul 2019, 15:22

2 Replies

3074 Views

Last post by abcdef
22 Jul 2019, 15:51
Safe travel altitude / lowest pressure allowed

Last post by Ralph « 21 Jul 2019, 07:25
Replies: 6
by obetz » 18 Jul 2019, 21:05

6 Replies

5339 Views

Last post by Ralph
21 Jul 2019, 07:25
OSTC sport mit TR

Last post by Ralph « 19 Jul 2019, 16:03
Replies: 4
by PS » 18 Jul 2019, 16:43

4 Replies

3168 Views

Last post by Ralph
19 Jul 2019, 16:03
OSTC 2 Right Piezo Button Phantom Presses

Last post by heinrichsweikamp « 15 Jul 2019, 10:13
Replies: 2
by DrFosterGloucester » 13 Jul 2019, 23:49

2 Replies

3754 Views

Last post by heinrichsweikamp
15 Jul 2019, 10:13
OSTC cR: Alternative Layout BIG shows no O2 Sensor values

Last post by Ralph « 13 Jul 2019, 09:55
Replies: 7
by geowas » 12 Jun 2019, 17:04

7 Replies

5688 Views

Last post by Ralph
13 Jul 2019, 09:55
OSTC Sport: Berechnung Deko-Stopp & TTS

Last post by Thorsten vom Bodensee « 05 Jul 2019, 18:06
Replies: 2
by Thorsten vom Bodensee » 05 Jul 2019, 13:16

2 Replies

2697 Views

Last post by Thorsten vom Bodensee
05 Jul 2019, 18:06
3.03 cave

Last post by Ralph « 30 Jun 2019, 11:56
Replies: 1
by Erik69 » 24 Jun 2019, 20:14

1 Replies

2516 Views

Last post by Ralph
30 Jun 2019, 11:56
OSTC sport old version bluetooth got again

Last post by divejy « 25 Jun 2019, 05:59
Replies: 2
by divejy » 24 Jun 2019, 06:13

2 Replies

2854 Views

Last post by divejy
25 Jun 2019, 05:59
Computer is stuck on the Gas List

Last post by heinrichsweikamp « 23 Jun 2019, 16:24
Replies: 1
by Margrange » 23 Jun 2019, 13:35

1 Replies

1827 Views

Last post by heinrichsweikamp
23 Jun 2019, 16:24
Batterie Anzeige immer noch 100%

Last post by Joe « 19 Jun 2019, 06:06
Replies: 15
by finger » 15 Feb 2019, 13:08

15 Replies

13927 Views

Last post by Joe
19 Jun 2019, 06:06
OSTC2 Temperature reading

Last post by VK « 17 Jun 2019, 20:08
Replies: 14
by robmason » 10 Jun 2019, 18:04

14 Replies

10372 Views

Last post by VK
17 Jun 2019, 20:08
Compass unstable

Last post by Ralph « 13 Jun 2019, 06:13
Replies: 15
by karip » 28 Apr 2019, 18:30

15 Replies

19652 Views

Last post by Ralph
13 Jun 2019, 06:13
looking for French Translations

Last post by Ralph « 10 Jun 2019, 21:20
Replies: 10
by Ralph » 07 Jun 2019, 17:41

10 Replies

23479 Views

Last post by Ralph
10 Jun 2019, 21:20
Sport Screen Protector?

Last post by snowman « 03 Jun 2019, 13:08

by snowman » 03 Jun 2019, 13:08

0 Replies

20588 Views

Last post by snowman
03 Jun 2019, 13:08

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