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Suunto EON Steel
For enabling gas consumption metering, see 5.8. How to enable gas consumption metering.
4.21. Gas mixtures
If Nitrox or Trimix dive mode is selected, you need to define the gas(es) for the
decompression algorithm to work properly. You define the gases under Gases. In Nitrox
mode, gas will have only oxygen (O
also the possibility to choose multiple gases.
If you need more than one gas, activate multigas option on the device menu under Dive
settings » Parameters.
If you want to use trimix gas (with helium activated), you need to turn helium on under Dive
settings » Parameters. When this is done, you can change helium percentage (He%) for
selected gas in the Gases menu.
You can activate multigas diving and helium, configure dive modes and change gas settings
using DM5, too.
NOTE: When you have analyzed your gas, you should round the result down when
entering it for Suunto EON Steel. For example, if the analyzed gas is 31.8% oxygen, then
define the gas as 31%. This makes the decompression calculations safer.
If you need to adjust the computer to provide more conservative calculations, use the
personal adjustment feature to affect decompression calculations or reduce the pO
to affect oxygen exposure according to the entered O
WARNING: THE DIVE COMPUTER WILL NOT ACCEPT FRACTIONAL PERCENTAGE
VALUES OF OXYGEN CONCENTRATION. DO NOT ROUND UP FRACTIONAL PERCENTAGES!
Rounding up will cause nitrogen percentages to be understated and will affect
decompression calculations.
NOTE: What you see under the Gases menu can be customized. See 4.9. Customize
dive modes with DM5.
It is important to understand how the Gases menu works when multiple gases and helium are
activated. For example, you may have the following gases when diving to 55 m (180.5 ft):
tx18/45, MOD 62.2m (pO
•
tx50/10, MOD 22m (pO
•
oxygen, MOD 6m
•
In the screeshot below, the menu has three gases and tx18/45 is selected as the active gas.
Even though only one gas is active, the decompression algorithm calculates ascent time
(during dive) using all these three gases.
To select another active gas:
1. While in the Gases menu, press the middle button to see gas options.
2. Scroll with upper or lower buttons to highlight Select.
32
%). Trimix mode has helium (He%) available, and there is
2
1.3)
2
1.6)
2
% and pO
values.
2
2
setting
2
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