Specifications

Nitrogen Bar Graph

The Nitrogen Bar Graph (Fig. 4) represents nitrogen loading, showing your

relative no decompression/decompression status. As your depth and elapsed

dive time increase, segments will add to the graph beginning in the lower left

portion of the screen. As you ascend to shallower depths, this bar graph will

begin to recede, indicating that additional no decompression time is allowed for

multilevel diving.

The Nitrogen Bar Graph monitors 12 different nitrogen compartments simul-

taneously and displays the one that is in control of your dive at that time. It is

divided into a green No Decompression zone, a yellow Caution zone (no decom-

pression), and a red Decompression zone. The yellow Caution Zone (Fig. 4a)

provides a visual representation of how close you are to the no decompression

limit, allowing you to make a decision regarding safety stop duration or neces-

sity. While you cannot provide a guarantee against the occurrence of decom-

pression sickness, you may choose your own personal zone of caution based

upon age, physique, excessive weight, etc., to reduce the statistical risk.

The Nitrogen Bar Graph also assists you with managing decompression by fill-

ing a large red 'ceiling stop required' segment (Fig. 4b).

Fig. 4 - Nitrogen Bar Graph