That thwerapy mode is not avaiable on the new machine. I need that. The new machine had high AHI’s for two nights running in th 16-18 ahi range. My old me last n ight had 6.1 AHi and min mask leak. The new machine had highest leaks that i have ever seen. Please send return shipping label. The setting for the VAUTO BIPAP machine is min ERAP 12.0 / Max 16.0 //. The CPAP Airasense is fized at 10. [****]