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WARNING: Always analyze all of your gases before diving! The best way to analyze your mixtures is
by using a DIVESOFT He/O2 Analyzer.
First it is necessary to
set your mixtures before the dive. Make sure that you have enabled all desired
gases and that all of your selected mixtures have the correct proportion set.
TIP: We recommend disabling all gases which you are not going to use. Choosing a mixture during a
dive is much easier if you select from fewer issues.
Gas switching
WARNING: Before you switch to another gas, make sure that the MOD of the desired gas is greater
than your current depth! Make absolutely sure that you that you are using the regulator from the
desired bottle!
When you start breathing from a new bottle, switch to the currently used gas in your computer.
There are two ways to switch gases in the FREEDOM. The first possibility is to access the Open circuit
menu with BOTH KEYS. In this menu, select MIX, scroll with KEY 2 and confirm your selection with
KEY 1.
The second way is with a key shortcut. When you press KEY 1 LONG, the computer switches to the
next gas in your list. You can scroll in the list this way cyclically. This is the quick and easy way how to
change your gas.
In light of the fact that there is a certain risk of unintentional switching of gases during a dive, this
option is adjustable in the (Main menu > Setup > Preferences > User interface > Gas shortcuts) in
firmware version 1.5. Key shortcuts are activated by default.
TIP: Set your gases in the list in the order that you will use them. This saves time when switching
gases.
WARNING: The FREEDOM calls attention to gas switching with a pop-up message (and optionally
with a vibrating alarm) if any of your additional mixes drops below 1.6bar ppO2. However, it does
not avert selection of an improper or wrong mix, as several possibilities are generally possible in
technical diving. Selecting a mixture, including timing of air-breaks, is exclusively the diver’s
responsibility!
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