Suunto EON STEEL 1.4 User Manual page 34

depth number turning yellow with a downward pointing arrow in
front of it.
If go above the safe margin area, the decompression calculation is
paused until you go back down below this limit. An audible alarm
and a downward arrow in front of a red ceiling number indicate
unsafe decompression.
If you ignore the alarm and stay above the safe margin for three
minutes, Suunto EON Steel locks the algorithm calculation, and
decompression information will not be available anymore on the
3.3 Algorithm lock .
dive. See
Below is a typical decompression dive view showing ascent time and
the first required deep stop at 20.3 meters:
Suunto EON Steel shows the ceiling value always from the deepest
of these stops. deep stop and safety stop ceilings are always at
constant depth when you are at the stop. Stop time is counted
down in minutes and seconds.
Below is an example of what Suunto EON Steel displays during deep
stop:
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