Upon receipt of the alarm signal, the alarm means issues an audible stimulus or {HEAD ~ a vibratory stimulus} having {TAIL ~ sufficient intensity} to awaken the patient as a reminder to the patient to adjust the mask 
having
Upon receipt of the alarm signal , the alarm means issues an audible stimulus or { HEAD ~ a vibratory stimulus } having { TAIL ~ sufficient intensity } to awaken the patient as a reminder to the patient to adjust the mask
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH