[PATCH] Beta Testing - Dive Planner

[John Smith]

I've just downloaded the latest build and again am looking at PPO2 on CCR dives.
I have a dive loaded that although is CCR, it does not contain any PPO2 therefore I assume the planner calculates PPO2 based on the preferences.
The PPO2 display still shows a unlikely senario  in that there is a gradient in the PPO2 right at the start. 
Looking at what information there is for the program to calculate this, I assume that it uses air at the surface and then holds the PPO2 once it reaches the default CCR setpoint , however in normal eCCR, there are two set points. The lower value is for surface or shallow operations, the higher value for normal diving. 
If you added a low set point box  and change depth to the preferences, that would give you the initial setpoint from the surface and the depth at which the higher set point would apply. That would also bring subsurface more in line with how dive computers usually deal with PPO2 when there isnt an oxygen cell input.


 		 	   		  
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