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Hi Ian
The VR 3 http://www.vr3.co.uk/ mixed gas dive computer.
Built for the job - depth rating 150 meters - Multiple gas choice '10' - =
switches can be done on the fly any time including changes from CCR to =
OC and back again - tracks CNS clock - advises air/back gas breaks - =
advises deep stops - user controls when to change gasses and personal =
safety factor settings - gives time, date, temp, ascent rate, feet or =
metric - has a back light - dive profile downloads to computer - can be =
used to generate next dive profiles/dive plans using history of previous =
dives - completely upgradeable - built like a nuclear bunker.
Use it on all dives. But still keep slate and D/timer in pocket.
Regards
Norman
---------------------------------------------------------------
Norman Woods
Coleraine N Ireland
normanwoods@no*.fr*.co*.uk*
www.norglen.freeserve.co.uk
IP>I think computers in general are a very good thing. Maybe the right =
one for tech diving doesn't exist yet, but if it did it would beat =
working from tables any day.=20
I believe computers have their place in no deco stop diving. The =
procedure for recovering from a computer failure on a no stop dive is =
pretty simple:
1. Go do a safety stop. If you don't have a time reference, use air =
pressure as a guide.
2. Get out of the water.
3. Either get yourself straightened out on the tables or stop diving =
until you are off the tables.
A computer failure on a deco stop dive isn't nearly that easy in that =
vital information about your deco obligation went away with the =
computer. Perhaps one day there will be a computer with an independent, =
redundant system that can fix this properly. There are other issues as =
well.
IP>Anyway, I just purchased DecoPlan. I ran the profile of my last =
dive (145' for 30 mins on 24% EAN, deco on 50%) and using the default =
gradient factor settings it gave about the same total dive time as the =
Nitek 3, but with a very different set of stops.
That's one of the other issues. For instance, can you program for =
Pyle or WKPP stops? I expect functions like that to hit the diving =
computers eventually. Perhaps one that takes a PROM of some sort will =
come along.
IP>One thing I particularly like about the Nitek is that with the PC =
logging program it will calculate my SAC, which for me at this stage is =
useful to know across a series of different real dives.
The logging is one of the great functions of the computers. In =
addition to being a backup for your own paperwork, it becomes a "black =
box" for diving accidents. My Oceanic keeps data on what I have been up =
to over the last few dives.
IP> Anyone know if its possible to get it to do this in gauge mode =
(i.e. it doesn't know about gas switches, so can these be input later =
for SAC calculations)?
Do the people who make your Nitek have a website?
IP>And a question on DecoPlan. The help says that the gas requirement =
calculation includes the reserve, but in non-metric mode the reserve =
settings in the preferences are ignored. So is the reserve an extra 50%?
IP>Anyone know if the gas management features that are only available =
in metric mode are going to be implemented in non-metric at any time in =
the near future?
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<BODY bgColor=3D#ffffff>
<DIV><FONT face=3DArial size=3D2>Hi Ian</FONT></DIV>
<DIV><FONT face=3DArial size=3D2> The VR 3 =
http://<A=20
href=3D"http://www.vr3.co.uk/">www.vr3.co.uk/</A> mixed gas dive=20
computer.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>Built for the job - depth rating 150 =
meters -=20
Multiple gas choice '10' - switches can be done on the fly any time =
including=20
changes from CCR to OC and back again - tracks CNS clock - advises =
air/back gas=20
breaks - advises deep stops - user controls when to change gasses and =
personal=20
safety factor settings - gives time, date, temp, ascent rate, feet or =
metric -=20
has a back light - dive profile downloads to computer - can be used to =
generate=20
next dive profiles/dive plans using history of previous dives - =
completely=20
upgradeable - built like a nuclear bunker.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>Use it on all dives. But still keep =
slate and=20
D/timer in pocket.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>Regards</FONT></DIV>
<DIV>Norman<BR>----------------------------------------------------------=
-----<BR>Norman=20
Woods<BR>Coleraine N Ireland<BR><A=20
href=3D"mailto:normanwoods@no*.fr*.co*.uk*">normanwoods@norglen.f=
reeserve.co.uk</A><BR><A=20
href=3D"http://www.norglen.freeserve.co.uk">www.norglen.freeserve.co.uk</=
A></DIV>
<BLOCKQUOTE=20
style=3D"BORDER-LEFT: #000000 2px solid; MARGIN-LEFT: 5px; MARGIN-RIGHT: =
0px; PADDING-LEFT: 5px; PADDING-RIGHT: 0px">
<DIV> </DIV>
<P>IP>I think computers in general are a very good thing. Maybe the =
right=20
one for tech diving doesn't exist yet, but if it did it would beat =
working=20
from tables any day.=20
<P>I believe computers have their place in no deco stop diving. =
The=20
procedure for recovering from a computer failure on a no stop dive is =
pretty=20
simple:</P>
<P>1. Go do a safety stop. If you don't have a time reference, =
use air=20
pressure as a guide.</P>
<P>2. Get out of the water.</P>
<P>3. Either get yourself straightened out on the tables or stop =
diving until=20
you are off the tables.</P>
<P> </P>
<P>A computer failure on a deco stop dive isn't nearly that easy in =
that vital=20
information about your deco obligation went away with the =
computer. =20
Perhaps one day there will be a computer with an independent, =
redundant system=20
that can fix this properly. There are other issues as=20
well.<BR><BR>IP>Anyway, I just purchased DecoPlan. I ran the =
profile of my=20
last dive (145' for 30 mins on 24% EAN, deco on 50%) and using the =
default=20
gradient factor settings it gave about the same total dive time as the =
Nitek=20
3, but with a very different set of stops.<BR></P>
<P>That's one of the other issues. For instance, can you program =
for=20
Pyle or WKPP stops? I expect functions like that to hit the =
diving=20
computers eventually. Perhaps one that takes a PROM of some sort =
will=20
come along.</P>
<P><BR>IP>One thing I particularly like about the Nitek is that =
with the PC=20
logging program it will calculate my SAC, which for me at this stage =
is useful=20
to know across a series of different real dives.</P>
<P>The logging is one of the great functions of the computers. =
In=20
addition to being a backup for your own paperwork, it becomes a "black =
box"=20
for diving accidents. My Oceanic keeps data on what I have =
been up=20
to over the last few dives.</P>
<P>IP> Anyone know if its possible to get it to do this in =
gauge mode=20
(i.e. it doesn't know about gas switches, so can these be input later =
for SAC=20
calculations)?<BR><BR>Do the people who make your Nitek have a=20
website?</P>
<P>IP>And a question on DecoPlan. The help says that the gas =
requirement=20
calculation includes the reserve, but in non-metric mode the reserve =
settings=20
in the preferences are ignored. So is the reserve an extra=20
50%?<BR><BR>IP>Anyone know if the gas management features that are =
only=20
available in metric mode are going to be implemented in non-metric at =
any time=20
in the near future?</P></BLOCKQUOTE></BODY></HTML>
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