When Using The Monitoring System On Battery Power - Covidien Nellcor PM100N Home Use Manual

When Using the Monitoring System on Battery
Power
When the monitoring system is powered by its internal
battery (not plugged in to a power outlet), battery
status is indicated by the following symbols:
Battery OK
Fewer bars indicate less power remaining.
Low Battery
The message "Low Battery" appears and you will
hear an alarm.
WARNING - In a low battery condition, plug in the
power cord within 15 minutes to avoid having the
monitoring system turn off.
Note: The low battery alarm duration may become
shorter over the lifetime of the battery.
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Critically Low Battery
The message "Critically Low Battery" appears and
you will hear an alarm.
WARNING - In a critically low battery condition,
connect the power cord now. If the cord is not
plugged in, the battery cannot recharge, and the
monitoring system will turn off.
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PM100N Home Use Guide