Algorithm Lock; Altitude Diving - Suunto EON STEEL 2.5 User Manual

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Suunto EON Steel

4.2. Algorithm lock

Breaking the decompression ceiling

When you ascend above the ceiling by more than 0.6 m (2 ft), the ceiling parameter turns red,

a red arrow pointing down appears, and an audio alarm is generated.

In such event, you should descend below the ceiling level to continue the decompression. If

you fail to do so within three (3) minutes, Suunto EON Steel locks the algorithm calculation

and displays Locked instead, as shown below. Note that the ceiling value is no longer

present.

In this state, you significantly increase your risk of decompression sickness (DCS).

Decompression information is not available for the next 48 hours after surfacing.

Algorithm locked

Suunto Fused™ RGBM 2 algorithm is locked for 48 hours if you omit decompression stops for

longer than three (3) minutes. When the algorithm is locked, no algorithm information is

available and Locked is shown instead. Locking the algorithm is a safety feature, highlighting

that the algorithm information is no longer valid.

It is possible to dive with the device when the algorithm is locked, but instead of the

decompression information, Locked is shown. Diving while the algorithm is locked resets the

algorithm lock time back to 48 hours when you surface.

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.

NOTE: If you are doing repetitive dives in a different altitude than the previous dive,

change altitude setting to correspond to the next dive after the previous dive ended. This

ensures more accurate tissue calculations.

The atmospheric pressure is lower at high altitudes than at sea level. After traveling to a

higher altitude, you will have additional nitrogen in your body, compared to the equilibrium

situation at the original altitude. This 'additional' nitrogen is released gradually over time and

equilibrium is restored. It is recommended that you acclimatize to a new altitude by waiting at

least three hours before making a dive.

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