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

2010 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

3286 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

18568 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

77745 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

97230 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

78005 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

629284 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

129569 Views

Last post by jp01000
14 May 2025, 17:58

Topics

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Sat/desat factors versus GF factors

Last post by Yves « 06 Mar 2022, 10:45
Replies: 5
by Yves » 04 Mar 2022, 17:09

5 Replies

6983 Views

Last post by Yves
06 Mar 2022, 10:45
OSTC Sport: TTS in Logbuchdaten?

Last post by Seamoth « 12 Feb 2022, 00:11
Replies: 2
by Seamoth » 09 Feb 2022, 10:56

2 Replies

2097 Views

Last post by Seamoth
12 Feb 2022, 00:11
OSTC 2 via BT an DivingLog 6

Last post by swissdiving « 07 Feb 2022, 21:37
Replies: 5
by ba-chief » 31 Jan 2022, 21:26

5 Replies

5379 Views

Last post by swissdiving
07 Feb 2022, 21:37
large display setting -> bigger gas switch info

Last post by janvdb « 04 Feb 2022, 23:57
Replies: 10
by janvdb » 19 Dec 2021, 22:14

10 Replies

49929 Views

Last post by janvdb
04 Feb 2022, 23:57
How to turn on gauge mode on OSTC sport with HW OS Sport

Last post by heinrichsweikamp « 13 Jan 2022, 19:42
Replies: 1
by drakcheslav » 12 Dec 2021, 03:12

1 Replies

2293 Views

Last post by heinrichsweikamp
13 Jan 2022, 19:42
OSTC SPORT

Last post by Shantihx2x « 27 Dec 2021, 14:13

by Shantihx2x » 27 Dec 2021, 14:13

0 Replies

27009 Views

Last post by Shantihx2x
27 Dec 2021, 14:13
OSTC Sport - button stuck in depressed position

Last post by heinrichsweikamp « 15 Dec 2021, 18:59
Replies: 2
by mark_cebu » 11 Dec 2021, 05:57

2 Replies

2215 Views

Last post by heinrichsweikamp
15 Dec 2021, 18:59
OSTC 2 : BO gas requirement

Last post by stryke « 05 Dec 2021, 10:51
Replies: 6
by stryke » 16 Nov 2021, 12:55

6 Replies

9964 Views

Last post by stryke
05 Dec 2021, 10:51
Sport Computer will NOT CONNECT

Last post by PTUK « 26 Nov 2021, 17:00

by PTUK » 26 Nov 2021, 17:00

0 Replies

11666 Views

Last post by PTUK
26 Nov 2021, 17:00
OSTC Plus - Serienummer verloren?

Last post by Hansemann « 26 Nov 2021, 07:28
Replies: 2
by Hansemann » 10 Nov 2021, 13:53

2 Replies

2821 Views

Last post by Hansemann
26 Nov 2021, 07:28
Batteriestandsanzeige sport tec

Last post by Bubba71394 « 24 Nov 2021, 10:27
Replies: 2
by Bubba71394 » 21 Nov 2021, 10:59

2 Replies

2791 Views

Last post by Bubba71394
24 Nov 2021, 10:27
OSTC Sport: Dive not registered in logbook (firmware 10.71)

Last post by Motardplongeur « 14 Nov 2021, 17:10
Replies: 5
by jtran » 27 Oct 2021, 00:32

5 Replies

5746 Views

Last post by Motardplongeur
14 Nov 2021, 17:10
OSTC connecting to Subsurface

Last post by Sputnik « 04 Nov 2021, 03:41
Replies: 5
by pwang » 28 Aug 2021, 11:06

5 Replies

5683 Views

Last post by Sputnik
04 Nov 2021, 03:41
OSTC Sport schaltet während Tauchgang ab

Last post by Sputnik « 03 Nov 2021, 21:46
Replies: 13
by raiko » 22 Sep 2021, 19:52

13 Replies

12959 Views

Last post by Sputnik
03 Nov 2021, 21:46
OSTC 2- Problem/ Tauchgangmessung

Last post by proteus « 26 Oct 2021, 11:24
Replies: 2
by otrio » 08 Aug 2021, 16:16

2 Replies

3117 Views

Last post by proteus
26 Oct 2021, 11:24
OSTC SPORT FIRMWARE PROBLEM

Last post by heinrichsweikamp « 23 Oct 2021, 12:50
Replies: 1
by kevdive » 23 Oct 2021, 11:27

1 Replies

1904 Views

Last post by heinrichsweikamp
23 Oct 2021, 12:50
Dekoberechnung OSTC2

Last post by Tastenchef « 19 Oct 2021, 20:05
Replies: 7
by Tastenchef » 23 Sep 2021, 11:09

7 Replies

7832 Views

Last post by Tastenchef
19 Oct 2021, 20:05
Compass issue

Last post by Karu « 15 Oct 2021, 19:27

by Karu » 15 Oct 2021, 19:27

0 Replies

11889 Views

Last post by Karu
15 Oct 2021, 19:27
hwOS Sport: New Firmware 10.70

Last post by heinrichsweikamp « 15 Oct 2021, 11:52
Replies: 24
by heinrichsweikamp » 24 May 2021, 17:28

24 Replies

46602 Views

Last post by heinrichsweikamp
15 Oct 2021, 11:52
hwOS TECH: New Firmware 3.15

Last post by heinrichsweikamp « 15 Oct 2021, 11:49
Replies: 15
by heinrichsweikamp » 24 May 2021, 17:34

15 Replies

43243 Views

Last post by heinrichsweikamp
15 Oct 2021, 11:49
Charging problems

Last post by mobu « 05 Oct 2021, 07:55

by mobu » 05 Oct 2021, 07:55

0 Replies

12177 Views

Last post by mobu
05 Oct 2021, 07:55
OSTC2 Piezo Switch Faulty

Last post by TomtheRom « 01 Oct 2021, 18:14
Replies: 3
by H2ODiver » 17 Aug 2021, 08:52

3 Replies

3662 Views

Last post by TomtheRom
01 Oct 2021, 18:14
Downgrade to last apnea dives counting firmware

Last post by rsgazzz « 16 Sep 2021, 13:05

by rsgazzz » 16 Sep 2021, 13:05

0 Replies

11056 Views

Last post by rsgazzz
16 Sep 2021, 13:05
OSTC Won't Start Up

Last post by BJF66 « 15 Sep 2021, 17:19

by BJF66 » 15 Sep 2021, 17:19

0 Replies

11618 Views

Last post by BJF66
15 Sep 2021, 17:19
OSTC Sport set up for sidemount

Last post by drakcheslav « 13 Sep 2021, 19:28
Replies: 8
by drakcheslav » 11 Sep 2021, 18:13

8 Replies

14189 Views

Last post by drakcheslav
13 Sep 2021, 19:28

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