Handheld pulse oximeter user’s manualAppendix D Alarm MessageThis section lists some important alarm message. In thetables below, “*” means the alarm level is user-adjustable.D.1 Physiological alarmMessages Cause LevelSpO 2 Too High* A measurement has risen abovethe high alarm limit or fallenbelow the low alarm limit.MediumSpO 2 Too Low*SpO 2 Desat SpO 2 measurement has fallenbelow the SpO 2 desat limit.HighPR Too High* A measurement has risen abovethe high alarm limit or fallenbelow the low alarm limit.MediumPR Too Low*No Pulse The pulse signal was too weak tobe analyzed.High17
