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

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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

309 Views

Last post by heinrichsweikamp
09 Apr 2026, 10:22
hwOS TECH: New Firmware 3.33

Last post by Gepetto « 29 Mar 2026, 06:45
Replies: 28
by heinrichsweikamp » 03 Jan 2026, 15:59
1

2
28 Replies

26576 Views

Last post by Gepetto
29 Mar 2026, 06:45
hwOS Sport: New Firmware 10.92

Last post by heinrichsweikamp « 02 Jan 2026, 19:02

by heinrichsweikamp » 02 Jan 2026, 19:02

0 Replies

1893 Views

Last post by heinrichsweikamp
02 Jan 2026, 19:02
New registered user? Please read.

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

by heinrichsweikamp » 14 Feb 2024, 10:30

0 Replies

47141 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

79409 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

67494 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
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2
38 Replies

519039 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

114774 Views

Last post by jp01000
14 May 2025, 17:58

Topics

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OSTC Plus - Serienummer verloren?

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

2 Replies

2609 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

2646 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

5497 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

5340 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

12262 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

2966 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

1796 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

7174 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

11335 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

45024 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

41319 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

11501 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

3438 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

10562 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

11095 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

10831 Views

Last post by drakcheslav
13 Sep 2021, 19:28
OSTC Sport schaltet im Wasser nicht mehr ein

Last post by raiko « 11 Sep 2021, 12:00
Replies: 4
by raiko » 09 Sep 2021, 09:23

4 Replies

3972 Views

Last post by raiko
11 Sep 2021, 12:00
Gas density

Last post by Ralph « 28 Aug 2021, 08:48
Replies: 3
by mobu » 26 Aug 2021, 07:16

3 Replies

3836 Views

Last post by Ralph
28 Aug 2021, 08:48
Subsurface update

Last post by dadefay « 24 Aug 2021, 12:23

by dadefay » 24 Aug 2021, 12:23

0 Replies

11682 Views

Last post by dadefay
24 Aug 2021, 12:23
Uhr geht ständig falsch

Last post by heinrichsweikamp « 17 Aug 2021, 10:20
Replies: 3
by sayaem » 30 Jul 2021, 21:10

3 Replies

5090 Views

Last post by heinrichsweikamp
17 Aug 2021, 10:20
CHANGE GAS

Last post by bonovolias « 15 Aug 2021, 18:21
Replies: 5
by bonovolias » 14 Aug 2021, 16:35

5 Replies

8395 Views

Last post by bonovolias
15 Aug 2021, 18:21
OSTC Sport issue after replacing battery

Last post by heinrichsweikamp « 06 Aug 2021, 13:59
Replies: 3
by jtran » 06 Aug 2021, 00:00

3 Replies

4505 Views

Last post by heinrichsweikamp
06 Aug 2021, 13:59
Téléchargement des plongées impossible via bluetooth

Last post by Excalibur « 02 Aug 2021, 15:13
Replies: 2
by Excalibur » 26 Jul 2021, 10:27

2 Replies

4233 Views

Last post by Excalibur
02 Aug 2021, 15:13
OSTC 2 s'allume pas

Last post by dadefay « 01 Aug 2021, 23:58
Replies: 1
by Duez » 24 Jul 2021, 15:49

1 Replies

3832 Views

Last post by dadefay
01 Aug 2021, 23:58
(klitzekleiner) Logbuch-Bug?

Last post by algo « 31 Jul 2021, 17:35

by algo » 31 Jul 2021, 17:35

0 Replies

10866 Views

Last post by algo
31 Jul 2021, 17:35

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