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 heinrichsweikamp « 31 May 2026, 16:54

by heinrichsweikamp » 31 May 2026, 16:54

0 Replies

2017 Views

Last post by heinrichsweikamp
31 May 2026, 16:54
hwOS Sport: New Firmware 10.97

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

by heinrichsweikamp » 24 May 2026, 16:23

0 Replies

3290 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

18585 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

78614 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

97777 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

78509 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

633990 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

130288 Views

Last post by jp01000
14 May 2025, 17:58

Topics

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Last post

OSTC Sport hwOS 10.57 : strange compass behaviour

Last post by Ralph « 29 Aug 2019, 11:37
Replies: 3
by Altrz » 28 Aug 2019, 08:08

3 Replies

3187 Views

Last post by Ralph
29 Aug 2019, 11:37
Sport not suggesting gas switch - Why?

Last post by Ralph « 28 Aug 2019, 16:33
Replies: 3
by Scuba_Wandy » 28 Aug 2019, 13:56

3 Replies

2824 Views

Last post by Ralph
28 Aug 2019, 16:33
Another issue with 10.56?

Last post by Ralph « 27 Aug 2019, 17:20
Replies: 3
by RonMacRae » 26 Aug 2019, 23:18

3 Replies

3510 Views

Last post by Ralph
27 Aug 2019, 17:20
OSTC sport (Red buttons) V10.56 -> 10.57?

Last post by heinrichsweikamp « 27 Aug 2019, 10:08
Replies: 1
by poaskay » 26 Aug 2019, 22:08

1 Replies

2660 Views

Last post by heinrichsweikamp
27 Aug 2019, 10:08
OSTC+ engages the left button

Last post by Arno « 26 Aug 2019, 08:34
Replies: 9
by Kehrmaschine » 20 Aug 2019, 22:28

9 Replies

13253 Views

Last post by Arno
26 Aug 2019, 08:34
Reaching deco quickly

Last post by Ralph « 24 Aug 2019, 18:08
Replies: 25
by Manohulu » 02 Jun 2019, 22:26
1

2
25 Replies

32935 Views

Last post by Ralph
24 Aug 2019, 18:08
hwOS Sport: New Firmware 10.53

Last post by heinrichsweikamp « 22 Aug 2019, 09:58
Replies: 8
by heinrichsweikamp » 23 Feb 2019, 17:34

8 Replies

6511 Views

Last post by heinrichsweikamp
22 Aug 2019, 09:58
problème d'affichage qui s'éteint en plongée

Last post by Manohulu « 21 Aug 2019, 23:55

by Manohulu » 21 Aug 2019, 23:55

0 Replies

8420 Views

Last post by Manohulu
21 Aug 2019, 23:55
Which OSTC Plus battery

Last post by RonMacRae « 21 Aug 2019, 15:16
Replies: 2
by RonMacRae » 21 Aug 2019, 13:00

2 Replies

3195 Views

Last post by RonMacRae
21 Aug 2019, 15:16
OSTC Plus lässt sich nicht einschalten?

Last post by heinrichsweikamp « 20 Aug 2019, 16:32
Replies: 8
by dd3qg » 12 Sep 2017, 14:30

8 Replies

6966 Views

Last post by heinrichsweikamp
20 Aug 2019, 16:32
Kompass OSTC2

Last post by Spacefish « 20 Aug 2019, 02:06
Replies: 2
by Spacefish » 15 Aug 2019, 23:06

2 Replies

3600 Views

Last post by Spacefish
20 Aug 2019, 02:06
OSTC 2 TR - Bugreport und Erfahrungsbericht

Last post by Shantihx2x « 18 Aug 2019, 09:17
Replies: 17
by Duglum » 21 May 2019, 23:25

17 Replies

18931 Views

Last post by Shantihx2x
18 Aug 2019, 09:17
Funktionswunsch: abschaltbare Diluentwarnung

Last post by Ralph « 16 Aug 2019, 21:01
Replies: 1
by duese » 16 Aug 2019, 20:46

1 Replies

2422 Views

Last post by Ralph
16 Aug 2019, 21:01
OSCT 3 zeigt falsche Tiefe an

Last post by Spacefish « 15 Aug 2019, 23:21
Replies: 2
by Hermann » 12 Aug 2019, 14:04

2 Replies

3098 Views

Last post by Spacefish
15 Aug 2019, 23:21
TTS forecast

Last post by Ralph « 14 Aug 2019, 13:30
Replies: 4
by robmason » 13 Aug 2019, 11:45

4 Replies

4072 Views

Last post by Ralph
14 Aug 2019, 13:30
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

10030 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

2706 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

5969 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

8139 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

5479 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

35408 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

104006 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

7293 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

4769 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

3776 Views

Last post by h2oaddict
06 Aug 2019, 13:54

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