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

439 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

28218 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

2030 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

47295 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

79585 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

67556 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

521638 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

114915 Views

Last post by jp01000
14 May 2025, 17:58

Topics

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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

7347 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

4059 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

3488 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

7728 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

27596 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

4179 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

18991 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

6285 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

41428 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

4642 Views

Last post by Alfredo
11 Feb 2020, 13:11
OstcSport alte Version

Last post by SebastianR « 10 Feb 2020, 12:43
Replies: 1
by SebastianR » 09 Feb 2020, 15:38

1 Replies

2194 Views

Last post by SebastianR
10 Feb 2020, 12:43
Druckkammer - OSTC gasdicht?

Last post by tschu « 09 Feb 2020, 11:44
Replies: 2
by tschu » 08 Feb 2020, 15:24

2 Replies

3237 Views

Last post by tschu
09 Feb 2020, 11:44
OSTC Companion error

Last post by Rock The Dog « 01 Feb 2020, 16:13

by Rock The Dog » 01 Feb 2020, 16:13

0 Replies

18714 Views

Last post by Rock The Dog
01 Feb 2020, 16:13
Ostc Sport menu "Config Tanks" and needed pressure

Last post by Ralph « 24 Jan 2020, 16:50
Replies: 11
by gouyen-cassou » 16 Jan 2020, 15:41

11 Replies

9150 Views

Last post by Ralph
24 Jan 2020, 16:50
Unterschiede zwischen OSTC Sport, OSTC plus & OSTC 2

Last post by Ameisenman « 21 Jan 2020, 23:47
Replies: 5
by Ameisenman » 19 Jan 2020, 16:47

5 Replies

6486 Views

Last post by Ameisenman
21 Jan 2020, 23:47
Sicherheitsstopp

Last post by Ralph « 11 Jan 2020, 15:22
Replies: 5
by jaffgre » 04 Jan 2020, 22:05

5 Replies

5810 Views

Last post by Ralph
11 Jan 2020, 15:22
OSTC2 Download of dives not possible in Subsurface

Last post by Goose_66 « 10 Jan 2020, 18:55
Replies: 14
by Daniel16 » 04 Dec 2019, 11:19

14 Replies

19781 Views

Last post by Goose_66
10 Jan 2020, 18:55
OSTC 2 hwos tech geht nicht mehr in den ruhe modus

Last post by Ralph « 31 Dec 2019, 11:35
Replies: 8
by dbo » 13 Dec 2019, 19:44

8 Replies

8503 Views

Last post by Ralph
31 Dec 2019, 11:35
OSTC Plus Battery question

Last post by heinrichsweikamp « 27 Dec 2019, 14:55
Replies: 3
by Sonaryr » 23 Dec 2019, 19:30

3 Replies

4017 Views

Last post by heinrichsweikamp
27 Dec 2019, 14:55
OSTC Plus won’t wake up

Last post by Grinch « 13 Dec 2019, 12:12
Replies: 7
by jb2cool » 01 Sep 2019, 22:13

7 Replies

6740 Views

Last post by Grinch
13 Dec 2019, 12:12
OSTC Plus long sleep

Last post by Grinch « 13 Dec 2019, 12:10
Replies: 2
by Grinch » 12 Dec 2019, 21:22

2 Replies

3173 Views

Last post by Grinch
13 Dec 2019, 12:10
ostc sport can't connect windows 10 bluetooth

Last post by heinrichsweikamp « 06 Dec 2019, 10:00
Replies: 1
by danieleannesi » 05 Dec 2019, 22:02

1 Replies

2457 Views

Last post by heinrichsweikamp
06 Dec 2019, 10:00
Letzter Tauchgang und Logbuch unterschiedliche Werte [10.63]

Last post by Ralph « 01 Dec 2019, 17:16
Replies: 10
by tight » 04 Nov 2019, 07:18

10 Replies

8931 Views

Last post by Ralph
01 Dec 2019, 17:16
OSTC Plus - Battery Cap Problem

Last post by Rowmcc « 01 Dec 2019, 16:23
Replies: 7
by Rowmcc » 24 Oct 2019, 14:25

7 Replies

4626 Views

Last post by Rowmcc
01 Dec 2019, 16:23
Wrong depth measured / Tiefe wird falsch gemessen

Last post by StehtimSchilf « 28 Nov 2019, 17:46
Replies: 2
by StehtimSchilf » 23 Nov 2019, 15:26

2 Replies

3198 Views

Last post by StehtimSchilf
28 Nov 2019, 17:46

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