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3.3. GAUGE DIVING
3.3.1 MAXIMUM OPERATING DEPTH
PLANNER [MOD]
The MOD planner allows a diver using air, nitrox
or trimix mixes to determine the maximum depth
at which the gas is breathable within selected PO
2
limits.
It is possible at any time in the Gauge Surface Mode
to enter the MOD planner, simply by pressing the
S button. After showing the text MOD and the plan
indicator (Fig. 3.15.), the display will show the Maxi-
mum Operating Depth (MOD) value corresponding
to the selected O
2
% and PO
2
levels (Fig 3.16.).
To use the MOD planner:
1.In the Gauge Surface Mode, press the S button to
select the MOD planner.
2. Wait two seconds until the MOD calculator acti-
vates automatically. The oxygen level starts to blink
on the display (Fig. 3.16.).
3.Press the S to change the selection in the following
sequence: ->O
2
% level ->PO
2
level
4. While the O
2
% level is blinking, press the + and
A
C
S
Fig. 3.15. Maximum Operation
Depth Planner. The Planning
mode is indicated by the Mod
text and mode indicators.
A
C
S
m
MAX
O2% PO2
Fig. 3.16. The Gauge Mod
shows the Maximum Operating
Depth and the corresponding
O
2
% and PO
2
values.