CrohnieToo wrote:Your Mask Selection on your Elite should be set to Standard w/the Flex-Fit 407. Your actual Leak rate will be 24 L/s or .4 L/M higher than the rate on the LCD screen. You have to look at the HC 407's literature to see what the allowed vent rate at your set pressure is and then compare that w/the reported Leak rate on the Elite's LCD screen and subtract or add as needed to learn your true Leak rate for the nite. The Resmed's automatically DEDUCT that 24 L/s or .4 L/M from the Leak rate they report when the Mask Selection is set at Standard. ALWAYS use the Standard Mask Selection when using a non-Resmed mask.
The fiddling w/your mask, stopping, starting and adjusting things during the night will also throw your data off. There is a Mask Fit option on your Elite. Hold the Start button down for 3-4 seconds and Mask Fit will come up. The number of stars indicates how good a fit you have but that's next to impossible to see yourself when you are laying down. HOWEVER, if you use the Mask Fit option you have about 5 minutes to fuss w/the mask fit before your Elite starts recording data.
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