SAP Idle Comp

in V-MAX
Hi could you please explain what the X axis designates in SAP Pressure Comp?
I've installed bigger injectors in my bike and I'm struggling to get the idle down to a reasonable level.
I've adjusted the ECT vs Engine Idle Speed and that helped a little but not enough.
Thanks,
Mark
Comments
I left mine at 9...went up to 20 stock seemed best.