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

18295 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+, 3, cR, sport, nano and OSTC 2 (Mod. 2015 and later)

by heinrichsweikamp » 14 Feb 2024, 10:30 » in OSTC+, 3, cR, sport, nano and OSTC 2 (Mod. 2015 and later)

0 Replies

77944 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

144456 Views

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

Last post by heinrichsweikamp « 12 Apr 2026, 13:16
Replies: 4
by heinrichsweikamp » 24 Oct 2023, 11:02

4 Replies

145293 Views

Last post by heinrichsweikamp
12 Apr 2026, 13:16
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

44953 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

68523 Views

Last post by googra
03 Feb 2026, 05:37

Topics

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Can you reset the stopwatch mid-dive?

Last post by jb2cool « 25 Apr 2016, 12:39
Replies: 3
by jb2cool » 25 Apr 2016, 10:17

3 Replies

5726 Views

Last post by jb2cool
25 Apr 2016, 12:39
Surface Interval: 00:00

Last post by Florent « 18 Apr 2016, 15:08
Replies: 5
by Florent » 09 Apr 2016, 15:17

5 Replies

5427 Views

Last post by Florent
18 Apr 2016, 15:08
Display bleibt dunkel

Last post by heinrichsweikamp « 12 Apr 2016, 11:30
Replies: 1
by mahadevayogi » 02 Apr 2016, 14:14

1 Replies

3632 Views

Last post by heinrichsweikamp
12 Apr 2016, 11:30
problem charging the battery

Last post by Idrosub « 09 Apr 2016, 12:08
Replies: 2
by Idrosub » 08 Apr 2016, 18:57

2 Replies

4048 Views

Last post by Idrosub
09 Apr 2016, 12:08
Windows10 compatibility

Last post by heinrichsweikamp « 30 Mar 2016, 13:28
Replies: 2
by divewithkarim » 17 Mar 2016, 15:49

2 Replies

4493 Views

Last post by heinrichsweikamp
30 Mar 2016, 13:28
Battery blinking

Last post by heinrichsweikamp « 21 Mar 2016, 16:35
Replies: 1
by gtroadec » 18 Mar 2016, 16:37

1 Replies

3713 Views

Last post by heinrichsweikamp
21 Mar 2016, 16:35
Windows10 compatibility

Last post by Olaf_D « 17 Mar 2016, 19:00
Replies: 2
by divewithkarim » 17 Mar 2016, 15:47

2 Replies

4642 Views

Last post by Olaf_D
17 Mar 2016, 19:00
New 3.00 Firmware

Last post by Smiler1968 « 16 Mar 2016, 19:45
Replies: 41
by heinrichsweikamp » 13 Oct 2014, 17:29
1

2
41 Replies

109926 Views

Last post by Smiler1968
16 Mar 2016, 19:45
leap year

Last post by Nimitz_BE « 16 Mar 2016, 14:24
Replies: 5
by tomten » 01 Mar 2016, 01:08

5 Replies

7988 Views

Last post by Nimitz_BE
16 Mar 2016, 14:24
affichage OSTC 2N

Last post by Philippe « 16 Mar 2016, 09:16

by Philippe » 16 Mar 2016, 09:16

0 Replies

10516 Views

Last post by Philippe
16 Mar 2016, 09:16
Display Faillure MK2

Last post by heinrichsweikamp « 11 Mar 2016, 12:08
Replies: 1
by georges » 11 Mar 2016, 12:06

1 Replies

3512 Views

Last post by heinrichsweikamp
11 Mar 2016, 12:08
Dekoberechnung OSTC 2n

Last post by heinrichsweikamp « 05 Mar 2016, 17:28
Replies: 1
by sysyfus » 05 Mar 2016, 12:20

1 Replies

3389 Views

Last post by heinrichsweikamp
05 Mar 2016, 17:28
OSTC 2C

Last post by heinrichsweikamp « 15 Feb 2016, 18:31
Replies: 1
by ChristophBergermann » 03 Feb 2016, 13:49

1 Replies

3810 Views

Last post by heinrichsweikamp
15 Feb 2016, 18:31
Layout bug in deutscher Version

Last post by Olaf_D « 11 Feb 2016, 15:12

by Olaf_D » 11 Feb 2016, 15:12

0 Replies

10211 Views

Last post by Olaf_D
11 Feb 2016, 15:12
Battery indication

Last post by WG « 10 Feb 2016, 11:07
Replies: 5
by danboss » 19 Nov 2015, 15:15

5 Replies

6244 Views

Last post by WG
10 Feb 2016, 11:07
I suggest moving the Exit-prompt

Last post by Laurie_the_Knot « 06 Feb 2016, 10:45
Replies: 4
by boefst » 03 Feb 2016, 11:55

4 Replies

9532 Views

Last post by Laurie_the_Knot
06 Feb 2016, 10:45
boot 2016

Last post by heinrichsweikamp « 01 Feb 2016, 12:59
Replies: 1
by heinrichsweikamp » 10 Jan 2016, 13:19

1 Replies

3507 Views

Last post by heinrichsweikamp
01 Feb 2016, 12:59
OSTC2N Piezo Button Stopped Working

Last post by sailor « 26 Jan 2016, 00:05
Replies: 8
by buxtonmarauder » 20 Sep 2015, 20:33

8 Replies

9144 Views

Last post by sailor
26 Jan 2016, 00:05
Namenszeile keine Sonderzeichen ?

Last post by Olaf_D « 18 Jan 2016, 09:00
Replies: 2
by Olaf_D » 16 Jan 2016, 19:54

2 Replies

5655 Views

Last post by Olaf_D
18 Jan 2016, 09:00
FAIL REPORT OSTC N2

Last post by Arctic Diver « 17 Jan 2016, 10:59
Replies: 2
by Arctic Diver » 10 Jan 2016, 09:54

2 Replies

4384 Views

Last post by Arctic Diver
17 Jan 2016, 10:59
New 3.11 Firmware

Last post by heinrichsweikamp « 11 Jan 2016, 12:40
Replies: 18
by heinrichsweikamp » 19 Oct 2015, 10:57

18 Replies

20079 Views

Last post by heinrichsweikamp
11 Jan 2016, 12:40
New OSTC 2 hwOS 1.93 OSTC Tools

Last post by heinrichsweikamp « 28 Dec 2015, 14:11
Replies: 4
by chrismoore02 » 26 Dec 2015, 14:17

4 Replies

9018 Views

Last post by heinrichsweikamp
28 Dec 2015, 14:11
Battery charging indicator post FW 3.x

Last post by PeterK « 24 Dec 2015, 17:04
Replies: 10
by PeterK » 05 Dec 2015, 11:37

10 Replies

14617 Views

Last post by PeterK
24 Dec 2015, 17:04
Probleme mit dem OSTC 2N /Keine CPU Leistung......HILFE

Last post by heinrichsweikamp « 21 Dec 2015, 19:15
Replies: 1
by alpentekki » 21 Dec 2015, 18:05

1 Replies

3297 Views

Last post by heinrichsweikamp
21 Dec 2015, 19:15
Layout bugs

Last post by scubatinoo « 21 Dec 2015, 09:17
Replies: 8
by Felini » 10 May 2015, 14:45

8 Replies

10992 Views

Last post by scubatinoo
21 Dec 2015, 09:17

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