| Attaching a Disposable to the EtCO2 module
          Turn the gas inlet/exhaust door (protective cover) counterclockwise
            until you can clearly see the gas inlet on the lower left corner
            of the unit.While holding the door open, press the brightly colored end of
            a Microstream® disposable into the gas inlet and twist it clockwise
            until it is securely attached to the module.After securing the disposable to the module, release the door. | 
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