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.

Copyright © Garmin. All rights reserved.GUID-4A2D3019-BA14-49BD-B371-4214D187D493 v2