div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: ResMed Mirage Activa LT CPAP Nasal Mask Fitting Guide · Mirage ActivaTM NASAL MASK Fitting Guide Turn the MicroFit dial to position 24 so that the forehead support is fully extended src=https:reader034fdocumentsusreader034viewer20220422225ec8dc2c4522ab01786e6ca4html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdiv