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 Press START.
2 Select Plan Dive > Compute NDL.
3 Select an option:
• To calculate NDL based on your current tissue load, select Diving Now.
• To calculate NDL based on your tissue load at a future time, select Enter Surf. Interval, and enter your
surface interval time.
4 Enter an oxygen percentage.
5 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.
6 Press DOWN.
7 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 open-circuit decompression plans and save them for future dives.
1 Press START.
2 Select Plan Dive > Deco Plans > Add New.
3 Enter a name for the decompression plan.
4 Select an option:
• To enter the maximum partial pressure of oxygen in bars, select PO2.
NOTE: The device uses the PO2 value for gas switching.
• To enter your level of conservatism for decompression calculations, select Conservatism.
• To enter your gas blends, select Gases.
• To enter the maximum dive depth, select Bottom Depth.
• To enter the time at the bottom depth, select Bottom Time.
5 Select Save.
Viewing and Applying a Decompression Plan
You can replace the current single-gas or multi-gas dive settings with the settings from a decompression plan.
1 Press START.
2 Select Plan Dive > Deco Plans.
3 Select a decompression plan.
4 If necessary, select View to view the decompression plan, then press BACK.
5 Select Apply to use the decompression plan settings for the single-gas or multi-gas dive mode.
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Diving
