Step 1 – Release the lower headgear straps of ResMed AirFit N20 Classic mask.

Step 2 – Hold the mask against your face and pull the headgear over your head.

Step 3 – Bring lower straps below your ears and loop them into the mask frame.

Step 4 – Adjust Velcro tabs on upper headgear straps.

Step 5 – Adjust Velcro tabs on lower headgear straps..

Step 6 – Connect device tubing to mask elbow.

Step 7 – Connect elbow to mask.

Step 8 – Switch on therapy device.