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Hello Reiner,

thanks! :-)

Indeed, this cave mode implementation was made from scratch, building upon the previously implemented ascent gas calculation by introducing a second stop criteria next to the M Value: recorded cave depth. As such, it inherits all functionality of the "open water" ascent ...

Supplemental Manual for the Cave Mode Function

The intended use of hwos Cave Mode is to monitor if the gases that are carried by the diver are sufficient to end the dive, especially taking into account the amount of gases that will be needed to finish decompression stops.

The Cave Mode function ...

Hello Reiner & all other interested in the Cave-Mode,
i have two good news for you:
1) Cave Mode also works in CCR and pSCR mode, the gas needs will then be computed in bail-out mode, i.e. on the OC gases available.
2) Cave Mode is included in the latest 3.33 HWOStech firmware.

How do i know?
for 2 ...

Hello,
i am not familiar with the cave B/O function on the older OSTC models, but for the recent HWOS Tech firmware there is a special version availabe that offers such a function. Please contact HW directly by email for a copy of this version. It is not widly tested yet and therefor only given out ...

They will be there, hall12, booth E02

Thanks Chris for the extended explanation!

One remark: for historical reason, the OSTC value 'saturation' indeed is the supersaturation value, so 100% means that the leading compartment is at the M-value. Regarding the GF99 values, that will be a strategic decision to be taken by Matthias.

BR
Ralph

In one of the custom views, there is 'Saturation', this is the current overpressure of the leading compartment (N2 + He combined). In the same custom view there is 'Ceiling', this is the depth at which the leading compartment will hit the GF high. If you prepare alternative GFs with GF high set to ...

for eCCR: your summary is completely right. So why do people add a dive computer? I give an example, actually it is my story: the AP Inspiration has two setpoint controllers, each one acting independently, measuring the voltages from the 3 sensors, computing ppO2 and computing solenoid commands ...

Even if you are homed outside of the EU, a product having a propper CE declaration, issed by a traceable "notified body", gives you some certaincy that the machine you are going to put your life on has gone through some propper tests. As it has been written before, what makes a dive computer a ...

Hi,

as you already wrote, a (set of two) OSTC+ or OSTC2 will serve you best. Start with the Sport version, and than upgrade to Tech later on. These computers will provide everything you need for sport as well as for tech diving. For sure the OSTC 4/5 is an option, it has a bigger screen, 3 instead ...

Hi,
best way to update is via one of the smartphone apps like HWOS Config
https://play.google.com/store/apps/deta ... hwosconfig

Man könnte die Tiefe (Druck) mit der realen Zeit multiplizieren, um eine Ersatzgröße zu erzeugen die proportional zum Flaschendruck-Abfall ist. So ungefähr zumindest, unter der Annahme einer konstanten SAC... Ja, macht man normalerweise direkt über die Finimeter, aber könnte eine Hilfe sein, wenn ...

Same for the OSTC 2 & 3 with the Tech Firmware. You can pre-set 5 different SPs, and also let the OSTC sequence through them on passing certain depths (which you can adjust, too). When using the gradual SP switching on the Inspi, you can pretty close have the OSTC going through the same SPs without ...

Der referenzierte Abstrakt beginnt mit: "Some dive computers no longer apply an extra penalty for repetitive dives, without any justification or warning in their instructions."

Man hätte hier auch beginnen können mit: "Some dive computers applied an extra penalty for repetitive dives, without any ...

Hi,
you need to upgrate to the Tech Firmware in order to access CC mode. Please send an email to HW with the serial number of your computer. After payment is received, you will get the latest firmware with the upgrade-code embedded into it. Once your OSTC is upgraded, you can install any future Tech ...

No, just make sure the correct battery type is selected (see the manual). The computer uses the T1, T2, T3,... settings to know the capacity and the voltage drop vs. discharging state to calculate the batt %.

Hi Emka,

give it a full charge. The battery data reset during the update, it needs an end-of-charging event to calibrate the Bat Indicator for 100%.

BR
Ralph

Have you checked that there is no screen protector attached to the glas? Sometimes it is hard to see, look at the outer edges of the screen for a jump in "screen hight".

Yup!
Im OC-Modus wird der Luftbedarf für den Aufstieg (inkl. Deko) berechnet.
Im CCR Modus ist eine Gasbedarfsberechnung "auf dem Loop" nicht sinnvoll definierbar,
daher aktiviert diese Funktion im CCR-Modus eine Bail-Out-Gas-Berechnung.

Hast du die Berechnung aktiviert?

In der englischen Sprachversion:
Main Menu -> Dive/Deco Setup -> SAc Setup -> Calc.Gas(B/O): Yes

To be preceise, the OSTC will show the "future" Total Time to Surface, but not the complete deco schedule for +5 mins (or whatever you set the look-ahaed time). Internally, during the calculation, these data are available, but they do not get published to the user interface (screen) due to no space ...

The OSTC wakes up from sleep state at 1160 hPa

If at <= 880 hPa, the OSTC switches to high altitude mode

If not in high altitude mode, the OSTC starts dive mode at surface pressure + 125 hPa
If in high altitude mode, the OSTC starts dive mode at surface pressure + 325 hPa

hPa are approx the same ...

Well then, honestly, give the computer a full reset (Erase Logbook, Tissues and then Reboot). Maybe your unit captured a neutrino (= once in a billon bit flip somethwere in RAM), i don't know.

OK, that makes it harder to tell what happened...

When the logbook itself (list of dives, time & depth per dive, CNS before & after, batt level, ...) is avail, put not the profile, thisis most likely that the profile storage is full and new dives overwrite the oldest ones. That because the ...

What gas was the dive on, i.e. what gas was selected on the OSTC?
Can you post a screenshot from the dive profile from the logbook?