Handheld pulse oximeter user’s manual
Appendix D Alarm Message
This section lists some important alarm message. In the
tables below, “*” means the alarm level is user-adjustable.
D.1 Physiological alarm
Messages Cause
Level
SpO
2
Too High*
A measurement has risen above
the high alarm limit or fallen
below the low alarm limit.
Medium
SpO
2
Too Low*
SpO
2
Desat
SpO
2
measurement has fallen
below the SpO
2
desat limit.
High
PR Too High*
A measurement has risen above
the high alarm limit or fallen
below the low alarm limit.
Medium
PR Too Low*
No Pulse
The pulse signal was too weak to
be analyzed.
High
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