Bühlmann ZH-L16C-1a 2002 with GRADIENT FACTOR decompression:
* GF_low (CF32) = 30 %
* GF_high (CF33) = 85 %
* deco offset (CF16) = 1.0 m
* last stop (CF29) = 3 m
* dive started at Pamb = 1013 mbar
* Gas switch delay (CF55) = 0 min

OC gas list:
* First gas#1 = 21/0
* Deco gas#4 = 75/0 at 9 m

0:00 50.0m DESCENT DONE
...
20:00 50.0m Deco:

50 m

20 '

20 '

Gas#1

21 m

1 '

24 '

18 m

1 '

26 '

15 m

2 '

28 '

12 m

4 '

32 '

9 m

3 '

36 '

SWITCH Gas#1 -> Gas#4

6 m

4 '

40 '

3 m

9 '

49 '

0 m

----

50 '


TTS = 30 '
CNS = 20%
==== OC Runtime ====
20:00 50.0m Deco:

50 m

20 '

20 '

Gas#1

21 m

1 '

24 '

18 m

1 '

26 '

15 m

2 '

28 '

12 m

4 '

32 '

9 m

3 '

36 '

SWITCH Gas#1 -> Gas#4

6 m

4 '

40 '

3 m

9 '

49 '

0 m

----

50 '


TTS = 30 '
CNS = 20%
Depth = 50 m
Bottom time = 20 min
Bottom gas consumption (CF56) = 20 l/min
Ascent gas consumption (CF57) = 15 l/min
Gas#1 ( 21/00) = 2938
Gas#4 ( 75/00) = 377