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

190264 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

939276 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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Last post

Improvement of TR reception

Last post by ijdod « 14 Sep 2019, 17:36
Replies: 11
by tblein » 25 May 2019, 19:19

11 Replies

13262 Views

Last post by ijdod
14 Sep 2019, 17:36
10.58 update

Last post by heinrichsweikamp « 14 Sep 2019, 12:05
Replies: 20
by Finewine » 12 Sep 2019, 11:15

20 Replies

17774 Views

Last post by heinrichsweikamp
14 Sep 2019, 12:05
OSTC3 v2.98 not recognize with bluetooth

Last post by heinrichsweikamp « 13 Sep 2019, 17:03
Replies: 6
by robar70 » 01 Sep 2019, 23:36

6 Replies

4018 Views

Last post by heinrichsweikamp
13 Sep 2019, 17:03
hwOS Tech: 3.04 beta 3 released

Last post by Duglum « 12 Sep 2019, 20:26
Replies: 39
by heinrichsweikamp » 10 Aug 2019, 15:19
1

2
39 Replies

276214 Views

Last post by Duglum
12 Sep 2019, 20:26
OSTC Sport button replacement kit

Last post by Divergent « 10 Sep 2019, 16:39
Replies: 3
by Divergent » 10 Sep 2019, 08:57

3 Replies

4294 Views

Last post by Divergent
10 Sep 2019, 16:39
[OSTC Plus] Bluetooth Connection Issues Verbindungsprobleme

Last post by Nekton « 08 Sep 2019, 21:44

by Nekton » 08 Sep 2019, 21:44

0 Replies

19894 Views

Last post by Nekton
08 Sep 2019, 21:44
hwOS Sport: New Firmware 10.58

Last post by Javz « 08 Sep 2019, 14:55

by Javz » 08 Sep 2019, 14:55

0 Replies

19401 Views

Last post by Javz
08 Sep 2019, 14:55
Confusion surrounding extended stops feature

Last post by Ralph « 04 Sep 2019, 17:58
Replies: 1
by jb2cool » 04 Sep 2019, 13:29

1 Replies

2755 Views

Last post by Ralph
04 Sep 2019, 17:58
OSTC Companion

Last post by heinrichsweikamp « 02 Sep 2019, 10:37
Replies: 1
by finger » 01 Sep 2019, 20:50

1 Replies

2621 Views

Last post by heinrichsweikamp
02 Sep 2019, 10:37
Problem mit Gasmengenberechnung (B/O) bei einem ppO2 über 1,6

Last post by Ralph « 31 Aug 2019, 07:10
Replies: 4
by duese » 16 Aug 2019, 20:33

4 Replies

4082 Views

Last post by Ralph
31 Aug 2019, 07:10
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

3264 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

2917 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

3630 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

2737 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

13738 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

35226 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

6668 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

9154 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

3280 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

7099 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

3860 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

19880 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

2486 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

3228 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

4195 Views

Last post by Ralph
14 Aug 2019, 13:30

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