Search found 153 matches

by jb2cool
07 Feb 2026, 21:05
Forum: OSTC Mk.2, 2N and 2C (Sold between 2007 and 2014)
Topic: Deco time wrong
Replies: 3
Views: 3793

Re: Deco time wrong

Setting this as disabed or removing the switch depth will resolve this for you.

If you has gas enabled and the switch depth set then the computer assumes you are going to use these and shows you the deco time as if you were switching onto this other gas. If you keep the gas enabled but remove the ...
by jb2cool
28 Jan 2026, 22:12
Forum: OSTC Mk.2, 2N and 2C (Sold between 2007 and 2014)
Topic: Deco time wrong
Replies: 3
Views: 3793

Re: Deco time wrong

Why gases do you have set? It’s possible that you have gases set up that you are not using and the computer was expecting you to use them
by jb2cool
06 Dec 2025, 16:28
Forum: OSTC 4 and OSTC 5
Topic: Gas Management [Feature Request / Suggestion]
Replies: 2
Views: 1330

Re: Gas Management [Feature Request / Suggestion]

Now throw in deco stops and it gets a bit more complicated, implementation is not quite as simple as you are making out.
by jb2cool
26 Jul 2025, 10:22
Forum: OSTC+, 3, cR, sport, nano and OSTC 2 (Mod. 2015 and later)
Topic: Voltage drops to 3.6V after pad removal
Replies: 1
Views: 85451

Re: Voltage drops to 3.6V after pad removal

I’d keep it on charge till the display says 100% and goes green.
by jb2cool
29 Jun 2025, 14:25
Forum: OSTC 4 and OSTC 5
Topic: Purchasing Strategy for dive computer(s)
Replies: 11
Views: 9995

Re: Purchasing Strategy for dive computer(s)

I don’t really believe you need 2 computers, you’ll likely be diving with others so if your computer dies for any reason you can always complete the dive on theirs, if you get separated from them for any reason then you have yours.

OSTC mk2 served me well till I switched to an OSTC Plus, this is ...
by jb2cool
05 May 2025, 08:26
Forum: OSTC+, 3, cR, sport, nano and OSTC 2 (Mod. 2015 and later)
Topic: OSTC3 problem with data and Bluetooth
Replies: 10
Views: 205177

Re: OSTC3 problem with data and Bluetooth

How sure are you that this particular USB cable can send data? I’ve seen some that’ll charge things but don’t send data.
by jb2cool
21 Dec 2024, 10:13
Forum: OSTC+, 3, cR, sport, nano and OSTC 2 (Mod. 2015 and later)
Topic: hwOS Sport: New Firmware 10.82
Replies: 6
Views: 24265

Re: hwOS Sport: New Firmware 10.81

I’ve just updated an OSTC Plus from 10.80 to 10.81 and it has changed its language to I think German (it was UK before). I flashed it again checking then the en language was specified and it’s still German.

Can you check that the right files are in the right place on the web server please
by jb2cool
05 Oct 2024, 16:31
Forum: OSTC 4 and OSTC 5
Topic: Corrosion on the OSTC4
Replies: 13
Views: 55213

Re: Corrosion on the OSTC4

It’s the only place on the housing there is etching into the anodising. Could be related to the battery but could just be coincidence
by jb2cool
03 Sep 2024, 21:33
Forum: OSTC+, 3, cR, sport, nano and OSTC 2 (Mod. 2015 and later)
Topic: OSTC Sport discontinued?
Replies: 3
Views: 13884

Re: OSTC Sport discontinued?

The only computers i see on the HW website are OSTC2, OSTC+ and OSTC4. The 2 and the + come in either sport or tech versions.

Deep Ideas should be able to get you any of these.
by jb2cool
30 May 2024, 18:58
Forum: OSTC+, 3, cR, sport, nano and OSTC 2 (Mod. 2015 and later)
Topic: OTSC Sport did not start with 3.7 volt rechargeable battery
Replies: 3
Views: 6886

Re: OTSC Sport did not start with 3.7 volt rechargeable battery

Check the physical length of the new battery you have against the old one that you took out. You may be able to revitalise the old battery in a stand-alone charger rather than trying to charge it in the computer itself.
by jb2cool
21 Feb 2024, 21:01
Forum: OSTC 4 and OSTC 5
Topic: VPM or VPM-B?
Replies: 5
Views: 22127

Re: VPM or VPM-B?

If you are asking what the OSTC4 is equipped with then the website says

“ Bühlmann ZH-L16+GF und VPM-B
Two deco models for all needs of technical diving”
by jb2cool
10 Feb 2024, 12:10
Forum: OSTC Mk.2, 2N and 2C (Sold between 2007 and 2014)
Topic: Cannot connect 2C and 2N to windows 11 laptop
Replies: 11
Views: 80348

Re: Cannot connect 2C and 2N to windows 11 laptop

I’ve had some issues in the past where some USB cables work for data AND charging but some other USB cables only seem to work for charging. Could be as simple as trying a different cable. Use one that you know has transmitted data before like a camera or Kindle cable.
by jb2cool
22 Oct 2023, 17:52
Forum: OSTC Mk.2, 2N and 2C (Sold between 2007 and 2014)
Topic: Cannot connect 2C and 2N to windows 11 laptop
Replies: 11
Views: 80348

Re: Cannot connect 2C and 2N to windows 11 laptop

I always thought it was these drivers that were needed to be installed to give you the relevant com port when the computer is plugged in, make sure you are using a good cable too, some cables are only power cables whereas some other cables are data and power.

https://ftdichip.com/drivers/vcp-drivers/
by jb2cool
09 Oct 2023, 11:17
Forum: OSTC+, 3, cR, sport, nano and OSTC 2 (Mod. 2015 and later)
Topic: Safety stop on OSTC 2 firmware 10.75
Replies: 3
Views: 44402

Re: Safety stop on OSTC 2 firmware 10.75

As Ralph says, this can be adjusted. I have my safety stop set so I can go down to 6m and maybe up to 3m
by jb2cool
08 May 2023, 09:14
Forum: OSTC Mk.2, 2N and 2C (Sold between 2007 and 2014)
Topic: OSTC Mk.2 und Windows USB / COM Probleme
Replies: 5
Views: 55673

Re: OSTC Mk.2 und Windows USB / COM Probleme

Have you tried a different cable? I’ve had cables that work and cables that don’t.
by jb2cool
22 Jan 2023, 10:32
Forum: OSTC+, 3, cR, sport, nano and OSTC 2 (Mod. 2015 and later)
Topic: OSTC SPORT FIRMWARE PROBLEM
Replies: 2
Views: 4974

Re: OSTC SPORT FIRMWARE PROBLEM

This is I believe a design change, both buttons needed to turn it on.

See the release notes here, this change came in with 10.74
viewtopic.php?t=22358

“[10.74]
CHANGE: OSTC with mechanical (magnetic) buttons need both buttons being pressed to wake up”
by jb2cool
21 Aug 2022, 10:14
Forum: OSTC+, 3, cR, sport, nano and OSTC 2 (Mod. 2015 and later)
Topic: Screen on one device seems a lot dimmer than another
Replies: 4
Views: 13198

Re: Screen on one device seems a lot dimmer than another

OSTC Plus running 3.18 tech firmware
[img]https://cloud.owncube.com/s/xqA7GEpscejPkkr[/img]
[img]https://cloud.owncube.com/s/gHzXWjPZcdGEJsJ[/img]

OSTC Plus running 10.73 sport firmware
[img]https://cloud.owncube.com/s/wAZNPQ88gKHnxpZ[/img]
[img]https://cloud.owncube.com/s/AEeeWP5imTLqEpb[/img]

I ...
by jb2cool
20 Aug 2022, 11:02
Forum: OSTC+, 3, cR, sport, nano and OSTC 2 (Mod. 2015 and later)
Topic: Screen on one device seems a lot dimmer than another
Replies: 4
Views: 13198

Re: Screen on one device seems a lot dimmer than another

Matthias, where is this setting? I’ve had a look for it and can’t seem to find it.
by jb2cool
08 Aug 2022, 09:04
Forum: OSTC+, 3, cR, sport, nano and OSTC 2 (Mod. 2015 and later)
Topic: Screen on one device seems a lot dimmer than another
Replies: 4
Views: 13198

Screen on one device seems a lot dimmer than another

In our house we have 2 OSTC Plus computers, one running the sport firmware (my girlfriends) and one running the tech firmware (mine). I took them both on a dive at the weekend and the computer running the sport firmware seemed to be quite a lot dimmer than my computer.

After I got out I checked the ...
by jb2cool
27 Jul 2022, 08:16
Forum: OSTC+, 3, cR, sport, nano and OSTC 2 (Mod. 2015 and later)
Topic: Dive profile not exported correctly to divelog apps
Replies: 1
Views: 4127

Re: Dive profile not exported correctly to divelog apps

Can you post a picture of what you mean.

I completed a dive on a computer running 10.74 and downloaded that into Subsurface and it seemed to look pretty normal.
by jb2cool
18 Jul 2022, 14:30
Forum: OSTC 4 and OSTC 5
Topic: OSTC 4 Initial impression
Replies: 3
Views: 7540

Re: OSTC 4 Initial impression

Thanks for the reply.

I’ve never seen a 4 in the flesh but I think it includes trimix by default whereas this is an optional extra on the other computers so not actually as much extra as it first appears.
by jb2cool
16 Jul 2022, 14:30
Forum: OSTC 4 and OSTC 5
Topic: OSTC 4 Initial impression
Replies: 3
Views: 7540

Re: OSTC 4 Initial impression

What made you choose the 4 over the 2 or the Plus?
by jb2cool
10 Jul 2022, 18:01
Forum: OSTC 4 and OSTC 5
Topic: Safety Stop
Replies: 6
Views: 12174

Re: Safety Stop

Once you know how it works it’s fine, you just need to know that this feature exists