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

74135 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

74350 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

95075 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

230758 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

190161 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

149616 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

939043 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

212610 Views

Last post by jp01000
14 May 2025, 17:58

Topics

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Hw OS TECH Version 3.07

Last post by enRigo « 05 Apr 2020, 10:00
Replies: 18
by PAR » 15 Nov 2019, 23:10

18 Replies

89922 Views

Last post by enRigo
05 Apr 2020, 10:00
FW 3.09B4 Tech - Displayproblem

Last post by Hansemann « 31 Mar 2020, 09:36
Replies: 11
by Hansemann » 28 Mar 2020, 22:37

11 Replies

17109 Views

Last post by Hansemann
31 Mar 2020, 09:36
Charging OSTC 2

Last post by yogi « 25 Mar 2020, 20:53
Replies: 3
by yogi » 06 Mar 2020, 14:12

3 Replies

22247 Views

Last post by yogi
25 Mar 2020, 20:53
hwOS Tech: Version 3.09 beta 3 available

Last post by heinrichsweikamp « 25 Mar 2020, 13:32
Replies: 47
by heinrichsweikamp » 28 Feb 2020, 15:38
1

2
47 Replies

339584 Views

Last post by heinrichsweikamp
25 Mar 2020, 13:32
locked computer

Last post by heinrichsweikamp « 22 Mar 2020, 17:20
Replies: 2
by lpa » 22 Mar 2020, 16:03

2 Replies

4910 Views

Last post by heinrichsweikamp
22 Mar 2020, 17:20
on air dive with Buhlmann (no GF) then supersat = 1.17 is proposed

Last post by edhage « 17 Mar 2020, 19:59
Replies: 2
by edhage » 16 Mar 2020, 12:22

2 Replies

4960 Views

Last post by edhage
17 Mar 2020, 19:59
ostc 2 sport setting

Last post by guirafe « 15 Mar 2020, 09:17
Replies: 2
by guirafe » 10 Mar 2020, 08:04

2 Replies

5028 Views

Last post by guirafe
15 Mar 2020, 09:17
OSTC Plus/sport - Changed battery : 0%

Last post by dadefay « 13 Mar 2020, 08:54
Replies: 1
by jr.sales » 13 Mar 2020, 08:33

1 Replies

5034 Views

Last post by dadefay
13 Mar 2020, 08:54
hwOS 10.64 documentation

Last post by Ralph « 10 Mar 2020, 17:43
Replies: 1
by hgaillard » 10 Mar 2020, 14:32

1 Replies

3794 Views

Last post by Ralph
10 Mar 2020, 17:43
OSTC Sport 10.64 issue

Last post by heinrichsweikamp « 10 Mar 2020, 10:54
Replies: 1
by Slates » 07 Mar 2020, 17:43

1 Replies

4603 Views

Last post by heinrichsweikamp
10 Mar 2020, 10:54
OSTC 3 - Batterie Problem

Last post by MaKoehler « 08 Mar 2020, 18:14

by MaKoehler » 08 Mar 2020, 18:14

0 Replies

21133 Views

Last post by MaKoehler
08 Mar 2020, 18:14
Neue Board-Software

Last post by Alubuddel « 08 Mar 2020, 18:01
Replies: 9
by Alubuddel » 26 Dec 2019, 14:10

9 Replies

11784 Views

Last post by Alubuddel
08 Mar 2020, 18:01
OSTC 2 Bluetooth issues

Last post by Slates « 07 Mar 2020, 17:39
Replies: 1
by Slates » 07 Mar 2020, 16:51

1 Replies

3239 Views

Last post by Slates
07 Mar 2020, 17:39
Falsche Batteriespannung angezeigt?

Last post by heinrichsweikamp « 06 Mar 2020, 12:32
Replies: 1
by diveinstructor » 06 Mar 2020, 01:02

1 Replies

3784 Views

Last post by heinrichsweikamp
06 Mar 2020, 12:32
Multiple Problems after Update to 3.07 (persisting after 3.08)

Last post by Fabian F « 05 Mar 2020, 22:14
Replies: 4
by Fabian F » 01 Mar 2020, 15:18

4 Replies

5865 Views

Last post by Fabian F
05 Mar 2020, 22:14
Bluetooth Verbindung OSTC Tr-OSTC Companion auf Mac

Last post by heinrichsweikamp « 04 Mar 2020, 10:05
Replies: 5
by Pierrot48 » 20 Jul 2019, 19:11

5 Replies

7731 Views

Last post by heinrichsweikamp
04 Mar 2020, 10:05
S8 cable with plugs on both sides

Last post by heinrichsweikamp3 « 02 Mar 2020, 11:13
Replies: 1
by Deep Blue Sea » 01 Mar 2020, 21:54

1 Replies

4370 Views

Last post by heinrichsweikamp3
02 Mar 2020, 11:13
No NDL in big layout in 3.09 beta 1

Last post by Ralph « 01 Mar 2020, 19:54
Replies: 1
by gr3yw0lf » 01 Mar 2020, 11:24

1 Replies

3646 Views

Last post by Ralph
01 Mar 2020, 19:54
OSTC 2 Piezo-Taster unter Wasser schwer zu bedienen

Last post by Tastenchef « 27 Feb 2020, 21:42
Replies: 5
by Maik » 24 Feb 2020, 14:29

5 Replies

8351 Views

Last post by Tastenchef
27 Feb 2020, 21:42
Hw OS TECH Version 3.07 wunschliste

Last post by Ralph « 26 Feb 2020, 18:08
Replies: 19
by gr3yw0lf » 09 Feb 2020, 13:07

19 Replies

30180 Views

Last post by Ralph
26 Feb 2020, 18:08
OSTC2TR (3.08) - problem with the screen backlight

Last post by heinrichsweikamp « 26 Feb 2020, 09:12
Replies: 1
by silver111 » 25 Feb 2020, 08:01

1 Replies

4380 Views

Last post by heinrichsweikamp
26 Feb 2020, 09:12
hwOS Tech: Version 3.07 released

Last post by heinrichsweikamp « 21 Feb 2020, 10:50
Replies: 14
by heinrichsweikamp » 29 Oct 2019, 17:50

14 Replies

20831 Views

Last post by heinrichsweikamp
21 Feb 2020, 10:50
hwOS Sport: New Firmware 10.63

Last post by heinrichsweikamp « 21 Feb 2020, 10:23
Replies: 5
by heinrichsweikamp » 29 Oct 2019, 18:14

5 Replies

6644 Views

Last post by heinrichsweikamp
21 Feb 2020, 10:23
Question on dislay with deco stops

Last post by gr3yw0lf « 13 Feb 2020, 09:49
Replies: 16
by mapoubelle » 08 Feb 2020, 12:19

16 Replies

43170 Views

Last post by gr3yw0lf
13 Feb 2020, 09:49
HW Ostc Sport 10.63

Last post by Alfredo « 11 Feb 2020, 13:11
Replies: 4
by Alfredo » 07 Feb 2020, 22:42

4 Replies

4919 Views

Last post by Alfredo
11 Feb 2020, 13:11

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