User's Manual

Suunto EON Steel
User guide
40(40)
by residual nitrogen absorbed during previous dives.
Residual nitrogen
The amount of excess nitrogen remaining in a diver
after one or more dives.
Semi-closed
rebreather (SCR)
Scuba that recycles a portion of exhaled gas.
Scuba
Self-contained underwater breathing apparatus.
Surface time
Elapsed time between surfacing from a dive and
beginning a descent for the subsequent dive.
Tissue group
Theoretical concept used to model bodily tissues for
the construction of decompression tables or
calculations.
Trimix
A breathing gas mix of helium, oxygen and nitrogen.