Manual

Table Of Contents
À
Your current heart rate zone (About Heart Rate Zones,
page 14).
NOTE: You can view only wrist heart rate monitor data during a
dive.
Gray: Zone 1.
Blue: Zone 2.
Green: Zone 3.
Orange: Zone 4.
Red: Zone 5.
Á
Your central nervous system (CNS) oxygen toxicity level during
a single-gas or multi-gas dive.
Green: 0 to 79% CNS oxygen toxicity.
Yellow: 80 to 99% CNS oxygen toxicity.
Red: 100% or greater CNS oxygen toxicity.
Using the Dive Stopwatch
1
Start a Gauge dive.
2
Scroll to the stopwatch screen.
3
Select > Reset Avg. Depth to set the average depth to
your current depth.
4
Select > Start Stopwatch.
5
Select an option:
To stop using the stopwatch, select > Stop Stopwatch.
To restart the stopwatch, select > Reset Stopwatch.
Diving with the Map
You can view the map during apnea surface intervals.
1
During an apnea dive activity, scroll to the map.
2
Select , and select an option:
To pan or zoom the map, select Pan/Zoom.
TIP: You can select to toggle between panning up and
down, panning left and right, or zooming. You can hold
to select the point indicated by the crosshairs.
To mark your location, select Save Location.
TIP: You can select DOWN to change the icon.
Viewing the Surface Interval Widget
The widget displays your surface interval time, tissue load, and
central nervous system (CNS) oxygen toxicity percentage.
1
From the watch face, select UP.
2
Select to view tissue details and oxygen tolerance units
(OTU).
Viewing the Dive Log Widget
The widget displays a brief summary of your last recorded dive.
1
From the surface interval widget, select UP.
2
Select to view more information about a dive.
3
Select a dive.
4
Select an option:
To view additional information about the activity, select
Details.
To view additional information about one of multiple apnea
dives in the activity, select Dives, and select a dive.
To view the activity on a map, select Map.
NOTE: The device shows your entry and exit locations if
you waited for GPS signals before and after the dive.
To view the depth profile of the activity, select Depth
Profile.
To view the temperature profile of the activity, select
Temperature Profile.
Dive Planning
You can plan for future dives using your device. The device can
calculate no-decompression limit (NDL) times or create
decompression plans. When planning a dive, the device uses
your residual tissue load from recent dives in the calculations.
Calculating NDL Time
You can calculate the no-decompression limit (NDL) time or
maximum depth for a future dive. These calculations are not
saved or applied to your next dive.
1
Select > Plan Dive > Compute NDL.
2
Enter an oxygen percentage.
3
Select an option:
To calculate the NDL time, select Enter Depth, and enter
the planned depth for your dive.
To calculate the maximum depth, select Enter Time, and
enter your planned dive time.
The NDL countdown clock, depth, and maximum operating
depth (MOD) appear.
4
Select DOWN.
5
Select an option:
To exit, select Done.
To add intervals to your dive, select Add Repeat Dive,
and follow the on-screen instructions.
Creating a Decompression Plan
You can create decompression plans and save them for future
dives.
1
Select > Plan Dive > Deco Plans > Add New.
2
Enter a name for the decompression plan.
3
Select an option:
Select PO2 to enter the maximum partial pressure of
oxygen, in bar.
NOTE: The device uses the PO2 value for gas switching.
Select Conservatism to enter your level of conservatism
for decompression calculations.
Select Gases to enter your gas blends.
Select Bottom Depth to enter the maximum dive depth.
Select Bottom Time to enter the time at the bottom depth.
4
Select Save.
Viewing and Applying a Decompression Plan
You can replace the current dive settings with the settings from
a decompression plan.
1
Select > Plan Dive > Deco Plans.
2
Select a decompression plan.
4 Diving