OSTC Mk.2, 2N and 2C (Sold between 2007 and 2014)

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Announcements

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End of Hardware Support for OSTC 2N and Mk.2

Last post by swissdiving « 14 Jan 2026, 13:30
Replies: 6
by heinrichsweikamp » 07 Jan 2026, 13:03

6 Replies

964 Views

Last post by swissdiving
14 Jan 2026, 13:30
New registered user? Please read.

Last post by heinrichsweikamp « 14 Feb 2024, 10:30
Posted in OSTC+, OSTC3, cR, sport and OSTC 2 (Mod. 2015 and later)

by heinrichsweikamp » 14 Feb 2024, 10:30 » in OSTC+, OSTC3, cR, sport and OSTC 2 (Mod. 2015 and later)

0 Replies

44326 Views

Last post by heinrichsweikamp
14 Feb 2024, 10:30
USB OSTC users - please read!

Last post by heinrichsweikamp « 24 Oct 2023, 13:42

by heinrichsweikamp » 24 Oct 2023, 13:42

0 Replies

126086 Views

Last post by heinrichsweikamp
24 Oct 2023, 13:42
New 3.16 Firmware

Last post by heinrichsweikamp « 24 Oct 2023, 11:02

by heinrichsweikamp » 24 Oct 2023, 11:02

0 Replies

126878 Views

Last post by heinrichsweikamp
24 Oct 2023, 11:02
FAQ: Battery charging / Laden der Batterie

Last post by heinrichsweikamp « 18 Apr 2020, 11:16
Replies: 1
by heinrichsweikamp » 17 Apr 2016, 12:31

1 Replies

34886 Views

Last post by heinrichsweikamp
18 Apr 2020, 11:16
OSTC Mk.2, 2N or 2C Firmware Update - HowTo

Last post by googra « 03 Feb 2026, 05:37
Replies: 6
by heinrichsweikamp » 05 Feb 2011, 11:36

6 Replies

52087 Views

Last post by googra
03 Feb 2026, 05:37

Topics

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OSTC 2N: Firmwareupgrade auf V3.13

Last post by jb2cool « 31 Jul 2017, 15:07
Replies: 1
by divingrolf » 31 Jul 2017, 13:16

1 Replies

5287 Views

Last post by jb2cool
31 Jul 2017, 15:07
OSTC 2n right side button stopped working

Last post by Cristian « 22 Jun 2017, 13:38
Replies: 3
by Cristian » 19 Jun 2017, 15:54

3 Replies

6535 Views

Last post by Cristian
22 Jun 2017, 13:38
OSTC 2 Unresponsive button

Last post by heinrichsweikamp « 19 Jun 2017, 18:21
Replies: 4
by Kris74 » 20 Mar 2017, 15:47

4 Replies

7438 Views

Last post by heinrichsweikamp
19 Jun 2017, 18:21
OSTC 2N : Display Total Run Time ?

Last post by 6RiL « 23 May 2017, 23:33
Replies: 6
by 6RiL » 04 May 2017, 18:53

6 Replies

19865 Views

Last post by 6RiL
23 May 2017, 23:33
OSTC 2n white screen and cannot connect in Win10 to upgrade firmware?!?

Last post by heinrichsweikamp « 18 Apr 2017, 16:48
Replies: 1
by Ostc2NotWorking » 15 Apr 2017, 11:31

1 Replies

5001 Views

Last post by heinrichsweikamp
18 Apr 2017, 16:48
OSTC 2C Bluetooth problem

Last post by FerdoStar « 16 Apr 2017, 23:47
Replies: 4
by FerdoStar » 14 Apr 2017, 17:58

4 Replies

7558 Views

Last post by FerdoStar
16 Apr 2017, 23:47
OSTC MK2 - Right Button/Stopwatch reset

Last post by heinrichsweikamp « 21 Feb 2017, 12:27
Replies: 2
by MarkEm » 21 Feb 2017, 09:49

2 Replies

5342 Views

Last post by heinrichsweikamp
21 Feb 2017, 12:27
OSTC2N display problem

Last post by heinrichsweikamp « 20 Feb 2017, 14:16
Replies: 1
by karip » 18 Feb 2017, 09:13

1 Replies

8266 Views

Last post by heinrichsweikamp
20 Feb 2017, 14:16
Decostop offset

Last post by sailor « 04 Jan 2017, 21:00
Replies: 5
by kaheksa » 01 Jan 2017, 19:05

5 Replies

8689 Views

Last post by sailor
04 Jan 2017, 21:00
Deepest OSTC 2C/2N

Last post by sailor « 24 Dec 2016, 15:39
Replies: 1
by kaheksa » 24 Dec 2016, 11:27

1 Replies

5871 Views

Last post by sailor
24 Dec 2016, 15:39
NDL/DECO time weird

Last post by kaheksa « 24 Dec 2016, 11:20
Replies: 1
by kaheksa » 09 Dec 2016, 17:06

1 Replies

6580 Views

Last post by kaheksa
24 Dec 2016, 11:20
Decostop seconds

Last post by heinrichsweikamp « 14 Nov 2016, 11:07
Replies: 1
by kaheksa » 13 Nov 2016, 21:41

1 Replies

5527 Views

Last post by heinrichsweikamp
14 Nov 2016, 11:07
2N USB plug o-ring

Last post by heinrichsweikamp « 14 Nov 2016, 10:55
Replies: 1
by karip » 12 Nov 2016, 16:09

1 Replies

8195 Views

Last post by heinrichsweikamp
14 Nov 2016, 10:55
Updating OSTC2 (2C, 2N, Mk.2)

Last post by heinrichsweikamp « 10 Nov 2016, 11:20
Replies: 2
by vladimiro.cuman@gmail.com » 10 Nov 2016, 09:19

2 Replies

5642 Views

Last post by heinrichsweikamp
10 Nov 2016, 11:20
Gaswechsel im Logbuch

Last post by scubatinoo « 03 Nov 2016, 18:03
Replies: 7
by scubatinoo » 02 Nov 2016, 09:03

7 Replies

61551 Views

Last post by scubatinoo
03 Nov 2016, 18:03
Name on display

Last post by glance « 02 Nov 2016, 21:07
Replies: 1
by paoloprimo » 02 Nov 2016, 19:15

1 Replies

5310 Views

Last post by glance
02 Nov 2016, 21:07
Spare parts OSTC 2C

Last post by heinrichsweikamp « 31 Oct 2016, 08:45
Replies: 2
by danboss » 30 Oct 2016, 08:36

2 Replies

5777 Views

Last post by heinrichsweikamp
31 Oct 2016, 08:45
OSTC 2N dead during SW update - please help

Last post by paoloprimo « 29 Oct 2016, 11:42
Replies: 5
by Goose_66 » 19 Apr 2016, 22:11

5 Replies

9023 Views

Last post by paoloprimo
29 Oct 2016, 11:42
Firmware upgrade 2.90 -> 3.13 does not work. Downgrade?

Last post by sailor « 08 Oct 2016, 00:12
Replies: 4
by Boris » 05 Oct 2016, 14:28

4 Replies

7947 Views

Last post by sailor
08 Oct 2016, 00:12
Verbindungsprobleme OSTC 2 / Mac OSX

Last post by heinrichsweikamp « 30 Sep 2016, 11:21
Replies: 16
by timbrade » 28 Apr 2015, 19:55

16 Replies

20493 Views

Last post by heinrichsweikamp
30 Sep 2016, 11:21
OSTC Planner No COM Port Mac Book Air

Last post by jb2cool « 29 Sep 2016, 21:46
Replies: 3
by DiveStyle » 14 Nov 2014, 22:05

3 Replies

7827 Views

Last post by jb2cool
29 Sep 2016, 21:46
Left button unresponsive

Last post by Rob « 19 Sep 2016, 11:02
Replies: 1
by Cato » 18 Sep 2016, 19:27

1 Replies

5660 Views

Last post by Rob
19 Sep 2016, 11:02
Possible to show diluent po2 with button press?

Last post by Crickers « 19 Sep 2016, 10:51
Replies: 9
by Crickers » 13 Sep 2016, 11:30

9 Replies

12507 Views

Last post by Crickers
19 Sep 2016, 10:51
USB Schnittstelle

Last post by frankrobrecht « 12 Sep 2016, 19:03
Replies: 4
by frankrobrecht » 11 Sep 2016, 23:22

4 Replies

8935 Views

Last post by frankrobrecht
12 Sep 2016, 19:03
OSTC Mk.2 crash during dive.

Last post by heinrichsweikamp « 12 Sep 2016, 15:04
Replies: 1
by POSTER » 11 Sep 2016, 22:25

1 Replies

4772 Views

Last post by heinrichsweikamp
12 Sep 2016, 15:04

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