Dive Planning; Calculating Ndl Time - Garmin DESCENT G1 Series Owner's Manual

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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.
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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 START.
7 Select an option:
• To exit, select Done.
• To add intervals to your dive, select Add Repeat Dive, and follow the on-screen instructions.
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Dive Planning
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17/11/2017 16:31:31
cozmyer
Calculating NDL Time
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Diving