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

2011 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

3287 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

18570 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

77954 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

97379 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

78113 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

630418 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

129771 Views

Last post by jp01000
14 May 2025, 17:58

Topics

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Deco-dive with travel gas, bottom gas and four deco gases

Last post by mobu « 16 Sep 2022, 09:58
Replies: 10
by mobu » 01 Sep 2022, 18:56

10 Replies

25817 Views

Last post by mobu
16 Sep 2022, 09:58
Probleme Firmware 10.175 beim OSTC Plus

Last post by hydrus « 05 Sep 2022, 11:04

by hydrus » 05 Sep 2022, 11:04

0 Replies

87234 Views

Last post by hydrus
05 Sep 2022, 11:04
Direct access to Bluetooth

Last post by gr3yw0lf « 29 Aug 2022, 11:28
Replies: 1
by dadefay » 28 Aug 2022, 12:27

1 Replies

5976 Views

Last post by gr3yw0lf
29 Aug 2022, 11:28
Button problem

Last post by Franledent « 26 Aug 2022, 15:22

by Franledent » 26 Aug 2022, 15:22

0 Replies

85000 Views

Last post by Franledent
26 Aug 2022, 15:22
CNS / ZNS Reset

Last post by heinrichsweikamp « 26 Aug 2022, 11:47
Replies: 1
by Rob » 26 Aug 2022, 11:38

1 Replies

8656 Views

Last post by heinrichsweikamp
26 Aug 2022, 11:47
Problem to upload logbook from 0STC 2 to Diving Log

Last post by heinrichsweikamp « 22 Aug 2022, 11:49
Replies: 7
by jensen.flemming » 17 Jul 2022, 12:16

7 Replies

15438 Views

Last post by heinrichsweikamp
22 Aug 2022, 11:49
Was bedeutet die Anzeige @+1: NZ

Last post by Silvie ED « 21 Aug 2022, 16:34
Replies: 2
by Silvie ED » 20 Aug 2022, 14:58

2 Replies

4047 Views

Last post by Silvie ED
21 Aug 2022, 16:34
Screen on one device seems a lot dimmer than another

Last post by jb2cool « 21 Aug 2022, 10:14
Replies: 4
by jb2cool » 08 Aug 2022, 09:04

4 Replies

14795 Views

Last post by jb2cool
21 Aug 2022, 10:14
Error Altitude Diving

Last post by Patrick_ « 15 Aug 2022, 22:30
Replies: 1
by Patrick_ » 24 Jul 2022, 17:59

1 Replies

2977 Views

Last post by Patrick_
15 Aug 2022, 22:30
new dive after reaching surface within 5 min.

Last post by Ralph « 15 Aug 2022, 19:50
Replies: 1
by divemasterjaap » 15 Aug 2022, 15:13

1 Replies

7426 Views

Last post by Ralph
15 Aug 2022, 19:50
OSTC 2 schaltet nicht ein (Batterie leer)

Last post by bnies « 10 Aug 2022, 19:24
Replies: 3
by bnies » 09 Aug 2022, 20:13

3 Replies

5083 Views

Last post by bnies
10 Aug 2022, 19:24
OSTC sports

Last post by pierre « 09 Aug 2022, 18:31
Replies: 3
by pierre » 09 Aug 2022, 12:41

3 Replies

8892 Views

Last post by pierre
09 Aug 2022, 18:31
OSTC Sport does not start anymore

Last post by RKD62 « 30 Jul 2022, 08:42
Replies: 1
by RKD62 » 29 Jul 2022, 13:22

1 Replies

2954 Views

Last post by RKD62
30 Jul 2022, 08:42
Dive profile not exported correctly to divelog apps

Last post by jb2cool « 27 Jul 2022, 08:16
Replies: 1
by Beppe » 22 Jul 2022, 14:55

1 Replies

4440 Views

Last post by jb2cool
27 Jul 2022, 08:16
OSTC 2TR battery problem?

Last post by silver111 « 22 Jul 2022, 06:22
Replies: 3
by silver111 » 03 Jul 2022, 13:02

3 Replies

6812 Views

Last post by silver111
22 Jul 2022, 06:22
OSTC 2 (5th generation) paranormal activity

Last post by Motardplongeur « 20 Jul 2022, 15:02
Replies: 8
by Christophe » 11 Jul 2022, 21:44

8 Replies

11701 Views

Last post by Motardplongeur
20 Jul 2022, 15:02
Gas density threshold

Last post by Ralph « 13 Jul 2022, 21:03
Replies: 3
by emka13 » 03 Jun 2022, 16:28

3 Replies

4106 Views

Last post by Ralph
13 Jul 2022, 21:03
OSTC plus not turning on not charging

Last post by Rapid Amoeba « 06 Jul 2022, 21:28
Replies: 2
by Rapid Amoeba » 05 Jul 2022, 18:49

2 Replies

7029 Views

Last post by Rapid Amoeba
06 Jul 2022, 21:28
Delete dive in logbook

Last post by chrisju « 23 Jun 2022, 08:53

by chrisju » 23 Jun 2022, 08:53

0 Replies

89353 Views

Last post by chrisju
23 Jun 2022, 08:53
OSTC sport does not switch on with buttons

Last post by heinrichsweikamp « 21 Jun 2022, 15:47
Replies: 4
by max » 19 Jun 2022, 20:46

4 Replies

5520 Views

Last post by heinrichsweikamp
21 Jun 2022, 15:47
Bluetooth issues // Firmware update malfunction

Last post by heinrichsweikamp « 18 Jun 2022, 10:53
Replies: 11
by Bubba71394 » 05 Feb 2022, 18:12

11 Replies

35599 Views

Last post by heinrichsweikamp
18 Jun 2022, 10:53
elektronischer Kompass

Last post by gr3yw0lf « 13 Jun 2022, 13:33
Replies: 2
by gr3yw0lf » 02 Jun 2022, 18:06

2 Replies

3173 Views

Last post by gr3yw0lf
13 Jun 2022, 13:33
problems with pairing bluetooth OSTC sport

Last post by vw66kw « 07 Jun 2022, 22:22
Replies: 2
by brettncaz24 » 05 Jun 2022, 01:17

2 Replies

2766 Views

Last post by vw66kw
07 Jun 2022, 22:22
Bug in button menu in 3.18 firmware?

Last post by emka13 « 03 Jun 2022, 16:17
Replies: 2
by emka13 » 01 Jun 2022, 15:09

2 Replies

2919 Views

Last post by emka13
03 Jun 2022, 16:17
Rückenplatte für OSTC Plus

Last post by heinrichsweikamp « 02 Jun 2022, 19:24
Replies: 2
by Markus V. » 29 May 2022, 01:50

2 Replies

3625 Views

Last post by heinrichsweikamp
02 Jun 2022, 19:24

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