SUUNTO COBRA User Guide - Manual (Page 73)

• maximum depth (during decompression stop dive)
• Oxygen percentage when remaining air time is less than 30 min
Figure 6.15. Alternative display. Pressing TIME button displays current time, maximum
depth, temperature, CBT and O2%, if Air Time is less than 30 minutes.
After five seconds, the display will automatically revert to the original display.
6.2.3. Oxygen limit fraction (OLF%)
If set to the NITROX mode, in addition to tracking the diver's exposure to nitrogen, the
instrument tracks the exposure to oxygen. These calculations are treated as entirely
separate functions.
The dive computer calculates separately for Central Nervous System oxygen toxicity
(CNS) and Pulmonary Oxygen toxicity, the latter measured by the addition of Oxygen
Toxicity Units (OTU). Both fractions are scaled so that the maximum tolerated exposure
for each is expressed as 100%.
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