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

18588 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

78630 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

97796 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

78526 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

634128 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

130308 Views

Last post by jp01000
14 May 2025, 17:58

Topics

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Batterie geht von 91% auf 73% in 10 min....

Last post by Joe « 28 Oct 2019, 13:17
Replies: 6
by Joe » 27 Oct 2019, 14:58

6 Replies

8016 Views

Last post by Joe
28 Oct 2019, 13:17
OSTC2 Stuck in Dive Mode at 1m

Last post by heinrichsweikamp « 28 Oct 2019, 13:01
Replies: 4
by AMM2T » 26 Oct 2019, 11:14

4 Replies

5492 Views

Last post by heinrichsweikamp
28 Oct 2019, 13:01
Durchschnittliche Tiefe FW 3.05

Last post by Ralph « 28 Oct 2019, 10:34
Replies: 3
by millsmess » 07 Oct 2019, 10:16

3 Replies

3737 Views

Last post by Ralph
28 Oct 2019, 10:34
after backup my ostc 2 is completely black screen

Last post by heinrichsweikamp « 16 Oct 2019, 11:39
Replies: 1
by tn.norway@gmail.com » 15 Oct 2019, 20:36

1 Replies

2045 Views

Last post by heinrichsweikamp
16 Oct 2019, 11:39
Displayschutzfolie OSTC Sport

Last post by Alubuddel « 15 Oct 2019, 18:50
Replies: 2
by Alubuddel » 13 Oct 2019, 11:31

2 Replies

2998 Views

Last post by Alubuddel
15 Oct 2019, 18:50
Ostc2 V3.05

Last post by Erik69 « 15 Oct 2019, 12:58
Replies: 3
by Erik69 » 11 Oct 2019, 22:17

3 Replies

3715 Views

Last post by Erik69
15 Oct 2019, 12:58
OSTC 2 sport won’t wake up

Last post by Ralph « 14 Oct 2019, 14:46
Replies: 1
by Franledent » 13 Oct 2019, 14:59

1 Replies

3928 Views

Last post by Ralph
14 Oct 2019, 14:46
downloading problem with OSTC Sport (FW 10.33)

Last post by Vikanes « 12 Oct 2019, 11:40

by Vikanes » 12 Oct 2019, 11:40

0 Replies

18978 Views

Last post by Vikanes
12 Oct 2019, 11:40
Flugverbot Fehlerhaft

Last post by Ralph « 09 Oct 2019, 10:08
Replies: 7
by Tommi » 06 Oct 2019, 10:31

7 Replies

5403 Views

Last post by Ralph
09 Oct 2019, 10:08
OSTC Sport - Keine BT-Verbindung mehr zu Companion nach Update auf 10.61

Last post by heinrichsweikamp « 07 Oct 2019, 12:49
Replies: 1
by Brookes » 07 Oct 2019, 12:24

1 Replies

2505 Views

Last post by heinrichsweikamp
07 Oct 2019, 12:49
OSTC Sport Display zu Dunkel

Last post by tiefunten « 06 Oct 2019, 17:39
Replies: 4
by lex » 17 May 2019, 19:03

4 Replies

14183 Views

Last post by tiefunten
06 Oct 2019, 17:39
Batterieproblem OSTC Sport

Last post by Brookes « 06 Oct 2019, 11:39
Replies: 5
by Brookes » 22 Sep 2018, 16:54

5 Replies

6172 Views

Last post by Brookes
06 Oct 2019, 11:39
Compass accuracy problem

Last post by heinrichsweikamp « 01 Oct 2019, 09:08
Replies: 2
by jam_uk » 28 Sep 2019, 11:11

2 Replies

6412 Views

Last post by heinrichsweikamp
01 Oct 2019, 09:08
Transmitter failed - dead?

Last post by jam_uk « 28 Sep 2019, 12:00

by jam_uk » 28 Sep 2019, 12:00

0 Replies

18775 Views

Last post by jam_uk
28 Sep 2019, 12:00
Can't close OSTC plus battery cap

Last post by heinrichsweikamp « 17 Sep 2019, 11:40
Replies: 4
by ijdod » 14 Sep 2019, 18:28

4 Replies

6847 Views

Last post by heinrichsweikamp
17 Sep 2019, 11:40
Improvement of TR reception

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

11 Replies

12533 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

17090 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

3875 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

233049 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

3134 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

18861 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

18451 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

2678 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

2564 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

3957 Views

Last post by Ralph
31 Aug 2019, 07:10

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