Oxygen Accumulation Bar Graph (O2Bg); Variable Ascent Rate Indicator (Vari) - Oceanic Dive Computer Pro Plus 2 Operating Manual

The O2 Bar Graph (Fig. 3a) represents oxygen loading, showing the maximum of either
per dive accumulated oxygen, or 24 hour period accumulated oxygen.
As your oxygen exposure (accumulation) increases during the dive, segments will add to
the Bar Graph, and as loading decreases, it will begin to recede, indicating that addi-
tional exposure is allowed for that dive and 24 hour period.
The Variable Ascent Rate Indicator (Fig. 3b) provides a visual representation of ascent
speed (i.e., an ascent speedometer). Green is a 'normal' rate, yellow a 'caution' rate,
and red is 'Too Fast'. The segments of the VARI represent two sets of speeds which
change at a reference depth of 60 feet (18 meters). Refer to the chart (Fig. 4) for seg-
ment values.
DECO
N
2
O
2 O
2
0 5 10 20 30 40 50
ATR
TOO
FAST
60