Instruction Manual
AH-TX Series Handheld Pulse Oximeter Instruction Manual
17
Chapter 4 Alarm
The oximeter generates all audible and visual alarms through a speaker and
visual alarm on the screen.
"Alarm" refers to a prompt that is given by the oximeter through visual,
audible and other means, to alert medical personnel when a vital sign appears
abnormal or the oximeter experiences a technical problem.
4.1 Alarm Categories
The oximeter’s alarms fall into two categories:
1. Physiological alarms
A physiological alarm is triggered when the monitored parameter
exceeds the set alarm limit or the patient condition is abnormal.
2. Technical alarms
A technical alarm is triggered a device malfunction or incorrect
operation of the oximeter or system problems.
Caution: The technical alarms cannot be changed by the user.
4.2 Alarm Level
1. The oximeter’s physiological alarms fall into three categories of
increasing severity: low level alarms, medium level alarms, and high
level alarms.
High level alarms(!!!)
Indicate that the patient is in a life-threatening situation and