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

73743 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

74067 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

94752 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

230082 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

189675 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

149304 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

937884 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

212259 Views

Last post by jp01000
14 May 2025, 17:58

Topics

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Last post

OSTC SPORT FIRMWARE PROBLEM

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

1 Replies

2049 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

9172 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

15976 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

54153 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

45673 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

16122 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

3997 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

14795 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

15191 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

20794 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

4753 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

4508 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

15474 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

5665 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

11775 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

4965 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

4741 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

4268 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

14488 Views

Last post by algo
31 Jul 2021, 17:35
Falsche Batterie-Anzeige bei 2 Sport / 10.70 // Incorrect batt. values

Last post by heinrichsweikamp « 27 Jul 2021, 12:32
Replies: 3
by flo69 » 19 Jul 2021, 08:39

3 Replies

4224 Views

Last post by heinrichsweikamp
27 Jul 2021, 12:32
Failure to upgrade to FW 10.70

Last post by Shinshiu « 16 Jul 2021, 13:12
Replies: 4
by Shinshiu » 16 Jul 2021, 12:04

4 Replies

3085 Views

Last post by Shinshiu
16 Jul 2021, 13:12
Battery completely empty

Last post by heinrichsweikamp « 15 Jul 2021, 10:20
Replies: 15
by Titus » 12 Aug 2020, 11:28

15 Replies

18687 Views

Last post by heinrichsweikamp
15 Jul 2021, 10:20
Impossibilité de mettre a jour le firmware. Unable to update the firmware.

Last post by heinrichsweikamp « 12 Jul 2021, 12:24
Replies: 1
by jp01000 » 11 Jul 2021, 16:49

1 Replies

2757 Views

Last post by heinrichsweikamp
12 Jul 2021, 12:24
TTS bei deaktivierten Dekogasen, Bug?

Last post by enRigo « 11 Jul 2021, 09:59
Replies: 23
by enRigo » 04 Oct 2020, 17:52

23 Replies

51083 Views

Last post by enRigo
11 Jul 2021, 09:59
"m" Markierung im Logbuch

Last post by freanux « 01 Jul 2021, 13:18
Replies: 2
by freanux » 01 Jul 2021, 12:28

2 Replies

2783 Views

Last post by freanux
01 Jul 2021, 13:18

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