Covidien Nellcor PM100N Home Use Manual page 19

Caution – Do not cover/block the speaker holes or
silence or lower the volume of the audible alarm.
Doing so may reduce the safety of the monitoring
system as the alarms may not be heard.
Caution – Do not lower the adjustable alarm volume
below the patient or caregiver's level of hearing.
Lowering the alarm volume may reduce the safety
of the monitoring system as the alarms may not be
heard.
• To check that the speakers are working properly,
listen for the audible tones that occur when you
turn on the monitoring system (see "Turn On the
Monitoring System" on page 26).
Support 1.800.635.5267
Caution – The monitoring system can run on battery
power. The monitoring system will visually and audibly
alarm when the battery is low on power. The low
battery alarm duration may become shorter over the
lifetime of the battery. When all battery power is lost,
the monitoring system will turn off and no longer
measure SpO and pulse rate.
2
Caution – Do not plug the monitoring system into
a power outlet that is controlled by a wall switch.
Accidental use of the wall switch can interrupt power
to the monitoring system. Furthermore, if the switch
is turned off, the system will run on battery power and
will not remain charged.
19
PM100N Home Use Guide