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Suunto EON Steel User Guide - 1.6

Personal and altitude adjustments

Personal and altitude adjustments

There are several factors that can affect your susceptibility to DCS. Such factors vary between divers, as well as from one day to another.

The personal factors which tend to increase the possibility of DCS include:

  • exposure to low temperature – water temperature less than 20 °C (68 °F)
  • below average physical fitness level
  • fatigue
  • dehydration
  • stress
  • obesity
  • patent foramen ovale (PFO)
  • exercise before or after dive
WARNING:

SET THE CORRECT PERSONAL SETTING! Whenever it is believed that factors that tend to increase the possibility of DCS exist, it is recommended that you use this option to make the calculations more conservative. Failure to select the correct personal setting will result in erroneous dive and planning data.

The five-step personal setting can be used to adjust the algorithm conservatism to fit your DCS susceptibility. You can find the setting under Dive settings / Parameters / Personal.

Personal levelExplanation
More aggressive (-2)Ideal conditions, excellent physical fitness, highly experienced with a lot of dives in the near past
Aggressive (-1)Ideal conditions, good physical fitness, well experienced with dives in the near past
Default (0)Ideal conditions (default value)
Conservative (+1)Some risk factors or conditions exist
More conservative (+2)Several risk factors or conditions exist
WARNING:

Personal adjustment setting 0, -1 or -2 causes a high risk of DCS, or other personal injury, and death.

In addition to the personal setting, Suunto EON Steel can be adjusted for diving at different altitudes. This setting automatically adjusts the decompression calculation according to the given altitude range. You can find the setting under Dive settings / Parameters / Altitude and select from three ranges:

  • 0 – 300 m (0 – 980 ft) (default)
  • 300 – 1500 m (980 – 4900 ft)
  • 1500 – 3000 m (4900 – 9800 ft)
WARNING:

Traveling to a higher elevation can temporarily cause a change in the equilibrium of dissolved nitrogen in the body. It is recommended that you acclimatize to the new altitude before diving.