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NITROX Mode on Suunto Vyper AIR: How to Use and Set Up [34/65]
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If you continue to violate the decompression, the dive computer will go into a permanent
Error Mode. In this mode, the instrument can only be used as a depth gauge and timer.
You must not dive again for at least 48 hours. (See Section 5.6. Error conditions).
6.2. Diving in NITROX mode (DIVEnitrox)
NITROX mode (DIVEnitrox) is the second dive mode available in Suunto Vyper
AIR
and
is used when using oxygen-enriched gas mixtures.
6.2.1. Before diving in NITROX mode
If set to the NITROX mode, the correct oxygen percentage of the gas in your cylinder must
always be entered into the computer to ensure correct nitrogen and oxygen calculations.
The dive computer adjusts its mathematical nitrogen and oxygen calculation models
accordingly. The dive computer will not accept fractional percentage values of oxygen
concentration. Do not round up fractional percentages. For example, 31.8% oxygen should
be entered as 31%. Rounding up will cause nitrogen percentages to be understated and
will affect decompression calculations. If you want to adjust the computer to provide more
conservative calculations, use the personal adjustment feature to affect decompression
calculations, or reduce the PO
2
setting to affect oxygen exposure according to the entered
O
2
% and PO
2
values. Calculations based on nitrox use result in longer no-decompression
times and shallower maximum depths than diving with air.
As a safety precaution, the oxygen calculations in the computer are made with an oxygen
percentage of 1% + set O
2
% .
When the dive computer is set in NITROX mode, the Dive Planning mode calculates using
the O
2
% and PO
2
values that are currently in the computer.
To set the nitrox mixes, refer to Section 5.8.3. Setting the nitrox values.
Default nitrox settings
In NITROX mode, the Suunto Vyper
AIR
allows you to set 1 or 2 nitrox mixes containing
21-99% oxygen.
In the NITROX mode, the default setting for MIX1 is standard air (21% O
2
). It remains in
this setting until the O
2
% is adjusted to any other percentage of oxygen (22% - 99%).The
default setting for maximum oxygen partial pressure is 1.4 bar, however you are able to
set it in the range of 0.5 - 1.6 bar.
MIX2 is set to OFF by default.To set MIX2 , refer to Section 6.2.4. Gas change and multiple
breathing gas mixes. Oxygen percentages and maximum oxygen partial pressures for
MIX2 are stored permanently.
6.2.2. Oxygen displays
When NITROX mode is activated, the display will show the information in the figure below.
In NITROX mode, the maximum operational depth is calculated based on set O
2
% and
PO
2
values.
NITROX DIVE MODE ACTIVATION.
MAXIMUM OPERATIONAL DEPTH BASED ON
SET O
2
% (21%) AND PO
2
(1.4 BAR) IS 56.7 M.
If set to NITROX mode, the Suunto Vyper
AIR
will additionally show on the alternative
display:
•
the oxygen percentage, labeled O
2
%
•
the set oxygen partial pressure limit, labeled PO
2
•
the current oxygen toxicity exposure, labeled OLF
34
Содержание
- User s guide p.1
- Table of contents p.3
- Welcome to the world of suunto diving instruments p.5
- Warnings cautions and notes p.6
- Suunto at a glance p.9
- Navigating in the menus p.9
- Button symbols and functions p.9
- Time mode settings p.11
- Setting the time p.11
- Setting the date p.11
- Setting the alarm p.11
- Getting started with your suunto vyper air p.11
- Setting the units p.12
- Setting the tones p.12
- Setting the backlight p.12
- Ac water contacts p.12
- Locking a bearing p.13
- Learning how to use your compass p.13
- Compass display p.13
- Calibration p.14
- Compass settings p.14
- You can exit the compass mode also by long pressing the select button p.15
- Time out you can set the compass time out to 1 3 or 5 minutes after the set time has passed from the latest button press the dive computer returns to the time or dive mode from the compass mode p.15
- Time out p.15
- If the calibration fails several times in a row it is possible that you are in an area with sources of magnetism such as large metal objects power lines or electric appliances move to another location and try to calibrate the compass again if the calibration continues to fail contact an authorized suunto service center p.15
- Declination you can compensate for the difference between true north and magnetic north by adjusting the compass declination the declination can be found for example from sea charts or topographic maps of the local area p.15
- Declination p.15
- The suunto rgbm deep stop algorithm p.16
- Emergency ascents p.16
- Dive computer limitations p.16
- Before diving p.16
- Nitrox p.17
- Audible and visual alarms p.17
- Wireless transmission p.18
- Error conditions p.18
- Installing the wireless transmitter p.19
- Pairing and code selection p.19
- Transmitting data p.20
- Dive mode settings p.20
- Setting the nitrox values p.21
- Setting the dive time alarm p.21
- Setting the depth alarm p.21
- Setting the sample rate p.22
- Setting the safety stops deep stops p.22
- Setting the personal altitude adjustments p.22
- Setting the units p.23
- Setting the tank pressure alarm p.23
- Setting the tank pressure p.23
- Setting the rgbm values p.23
- Setting the hp code p.23
- Activation and pre checks p.24
- Accessing dive mode p.24
- Dive mode activation p.24
- Diving at altitude p.25
- Battery power indication p.25
- Personal adjustments p.26
- Safety stops p.27
- Recommended safety stops p.27
- Mandatory safety stops p.27
- Deep stops p.28
- Diving in air mode diveair p.29
- Diving p.29
- Basic dive data p.29
- Tank pressure data p.30
- Bookmark p.30
- Safety stops p.31
- Decompression dives p.31
- Ascent rate indicator p.31
- Ceiling ceiling zone floor and decompression range p.32
- Display below the floor p.33
- Display at the ceiling zone p.33
- Display above the floor p.33
- Display above the ceiling p.33
- Oxygen displays p.34
- Diving in nitrox mode divenitrox p.34
- Default nitrox settings p.34
- Before diving in nitrox mode p.34
- Oxygen limit fraction olf p.35
- Gas change and multiple breathing gas mixes p.35
- Diving in gauge mode divegauge p.36
- Surface interval p.37
- Repetitive dive planning p.37
- Dive numbering p.37
- After diving p.37
- Plan mode p.38
- Flying after diving p.38
- Dive planning mode plannodec p.38
- Simulation mode plansimulator p.39
- Dive simulator p.39
- Dive numbering shown during dive planning p.39
- Memory mode p.40
- Dive logbook memlogbook p.40
- Dive history memhistory p.41
- Www suuntosports com and suunto diving world at www suunto com diving p.42
- Suunto dive manager sdm p.42
- Care and maintenance of my suunto diving computer p.44
- Required tools p.46
- Replacing the battery p.46
- Battery replacement p.46
- Battery kit p.46
- Wireless transmitter battery replacement p.48
- Transmitter battery kit p.48
- Required tools p.48
- Replacing the transmitter battery p.48
- Technical specifications p.50
- Technical data p.50
- Suunto rgbm adaptive decompression p.52
- No decompression limits p.52
- Oxygen exposure p.53
- Altitude diving p.53
- Trademark p.55
- Patent notice p.55
- Intellectual property p.55
- Copyright p.55
- User s responsibility p.56
- Disclaimers p.56
- Suunto limited warranty for suunto diving computers and suunto diving computer accessories p.57
- Disposal of the device p.60
- Glossary p.61
- Customer service contacts p.63
- Copyright p.63
- Two year warranty p.64
- Www suunto com p.65
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Learn how to use NITROX mode on Suunto Vyper AIR dive computer. Set oxygen percentages, PO2 limits, and understand decompression calculations for nitrox diving.