Hi pugsy, you're such a deer .(Like you've never heard that before.)Pugsy wrote:What likely is happening is after you reseat the mask after that leak you probably sort of hold your breath briefly to check for leaks and it's the holding of your breath briefly that gets the central flag.
All it takes is 10 seconds of no breathing for the machine to maybe give you a flag while awake testing the seal.
I'll make certain to not impede the airflow from now on and see if stats change.