MacDive on iOS does not display what I'm graphing

[wealthychef]

This is hard to explain without a screenshot. So here. If you look at the image, you can see I'm plotting RMV and depth vs time. But when I select a time on the plot shown by the vertical white line, the info in the header for some reason shows me time, depth, tank pressure, and water temperature. I want to know my RMV at that time. Can this be enabled?
Actually, what I really want to see is SAC. Can you make it so I can plot SAC instead? That's what my computer reports while diving and I don't know the conversion from RMV to SAC.
Sorry about the huge image, I had to use a hosting service because this forum appears to not allow image uploads.
Thanks

[nick]

I can't see the screenshot. However if you rotate to landscape you will see the RMV value when you scrub as well - there's not enough room to display everything in portrait on most devices.

I will look at adding SAC potentially, if I can fit it in adequately.