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

199 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

1468 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

4868 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

52974 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

83516 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

69248 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

540477 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

117788 Views

Last post by jp01000
14 May 2025, 17:58

Topics

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INSTALLED OSTC Sport software on OSTC3 -now not able to connect to USB

Last post by heinrichsweikamp « 29 Oct 2018, 09:51
Replies: 7
by tn.norway@gmail.com » 25 Oct 2018, 21:28

7 Replies

5281 Views

Last post by heinrichsweikamp
29 Oct 2018, 09:51
OSTC korrodiert (von Innen?)

Last post by Sputnik « 27 Oct 2018, 01:08
Replies: 17
by Sputnik » 01 Sep 2018, 00:20

17 Replies

14313 Views

Last post by Sputnik
27 Oct 2018, 01:08
INSTALLED OSTC Sport software on OSTC3 -now not able to connect to USB

Last post by Ralph « 26 Oct 2018, 07:26
Replies: 1
by tn.norway@gmail.com » 25 Oct 2018, 21:06

1 Replies

2110 Views

Last post by Ralph
26 Oct 2018, 07:26
Can I use a 3.7V Li-Ion 14500 in OSTC sport?

Last post by Hans « 23 Oct 2018, 08:04
Replies: 2
by Hans » 22 Oct 2018, 12:27

2 Replies

2912 Views

Last post by Hans
23 Oct 2018, 08:04
Ceiling-Anzeige, welche GF Grundlage?

Last post by Ralph « 16 Oct 2018, 07:46
Replies: 1
by Duglum » 15 Oct 2018, 18:42

1 Replies

2808 Views

Last post by Ralph
16 Oct 2018, 07:46
Tissue saturation graph wrong after upgrading to 2.97

Last post by keegan « 14 Oct 2018, 13:15
Replies: 9
by KEngelstoft » 10 May 2018, 16:44

9 Replies

8338 Views

Last post by keegan
14 Oct 2018, 13:15
heinrichs weikamp beim TechSymposium

Last post by heinrichsweikamp « 11 Oct 2018, 20:40

by heinrichsweikamp » 11 Oct 2018, 20:40

0 Replies

13444 Views

Last post by heinrichsweikamp
11 Oct 2018, 20:40
Cosmetic Issue: OSTC 2 TR reporting wrong Model

Last post by Duglum « 11 Oct 2018, 18:52
Replies: 2
by Duglum » 11 Oct 2018, 16:06

2 Replies

3434 Views

Last post by Duglum
11 Oct 2018, 18:52
minimum gas on the fly

Last post by Ralph « 08 Oct 2018, 20:29
Replies: 1
by 007sascha » 08 Oct 2018, 18:53

1 Replies

2155 Views

Last post by Ralph
08 Oct 2018, 20:29
OSTC 2 Kompass

Last post by Ralph « 07 Oct 2018, 10:55
Replies: 5
by Tastenchef » 25 Sep 2018, 12:51

5 Replies

6724 Views

Last post by Ralph
07 Oct 2018, 10:55
Calculate NDL in Simulator

Last post by Ralph « 07 Oct 2018, 10:47
Replies: 14
by ihrigb » 20 May 2018, 14:21

14 Replies

11690 Views

Last post by Ralph
07 Oct 2018, 10:47
Feature Request/Suggestion: Changeable Timezone

Last post by Duglum « 05 Oct 2018, 19:15
Replies: 4
by Duglum » 10 Jan 2016, 14:41

4 Replies

6682 Views

Last post by Duglum
05 Oct 2018, 19:15
Neue Batterie LS14500 nach 4 Wochen ohne TG komplett leergesaugt...

Last post by markus « 03 Oct 2018, 12:42
Replies: 7
by Dennis » 03 May 2016, 22:35

7 Replies

7053 Views

Last post by markus
03 Oct 2018, 12:42
Ladepad des OSTC Plus

Last post by heinrichsweikamp « 22 Sep 2018, 11:55
Replies: 1
by triatoni » 22 Sep 2018, 10:41

1 Replies

2006 Views

Last post by heinrichsweikamp
22 Sep 2018, 11:55
Frozen deco display calculation at 3m later

Last post by Ralph « 22 Sep 2018, 09:53
Replies: 1
by Nils » 21 Sep 2018, 20:43

1 Replies

1903 Views

Last post by Ralph
22 Sep 2018, 09:53
no fly time

Last post by Jluriv « 21 Sep 2018, 12:11
Replies: 6
by Jluriv » 18 Sep 2018, 09:36

6 Replies

4310 Views

Last post by Jluriv
21 Sep 2018, 12:11
OSTC Plus Safety stop

Last post by Rob « 21 Sep 2018, 07:29
Replies: 10
by Bjorn VdV » 17 Sep 2018, 12:19

10 Replies

6653 Views

Last post by Rob
21 Sep 2018, 07:29
OSTC 2 old model Button problem

Last post by bosmat « 20 Sep 2018, 19:01

by bosmat » 20 Sep 2018, 19:01

0 Replies

9697 Views

Last post by bosmat
20 Sep 2018, 19:01
OSTC2 and wireless charging pad

Last post by Nick B « 20 Sep 2018, 15:12
Replies: 2
by Nick B » 20 Sep 2018, 13:34

2 Replies

2575 Views

Last post by Nick B
20 Sep 2018, 15:12
Deco softwares comparison

Last post by Jluriv « 20 Sep 2018, 03:16
Replies: 11
by Jluriv » 17 Aug 2018, 16:20

11 Replies

10224 Views

Last post by Jluriv
20 Sep 2018, 03:16
hwOS Tec: Average depth in main screen?

Last post by Live2dive « 19 Sep 2018, 17:04
Replies: 15
by Live2dive » 31 Aug 2018, 10:00

15 Replies

19014 Views

Last post by Live2dive
19 Sep 2018, 17:04
New iOS app for OSTC

Last post by diverku « 17 Sep 2018, 22:29
Replies: 26
by diverku » 22 Jun 2018, 20:55
1

2
26 Replies

25928 Views

Last post by diverku
17 Sep 2018, 22:29
Brand new OSTC 2, and 156 dives in the logbook?

Last post by Live2dive « 17 Sep 2018, 14:24
Replies: 2
by Live2dive » 17 Sep 2018, 13:07

2 Replies

2871 Views

Last post by Live2dive
17 Sep 2018, 14:24
Store compass heading longer?

Last post by ijdod « 16 Sep 2018, 13:07
Replies: 14
by ijdod » 02 Oct 2017, 03:40

14 Replies

17861 Views

Last post by ijdod
16 Sep 2018, 13:07
OSTC2 V2.96 Gas consuption

Last post by Erik69 « 15 Sep 2018, 17:51
Replies: 20
by Erik69 » 11 Feb 2018, 18:36

20 Replies

38428 Views

Last post by Erik69
15 Sep 2018, 17:51

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