
Start-Up and Use
Adjusting Alarm Limits
WARNING: Each time the monitor is used, check alarm
limits to ensure that they are appropriate for the patient
being monitored.
Overview
When the NPB-290 is first powered on, alarm limits are set to
their power-on default values. Power-on default alarm limits can
be changed by qualified service personnel, using the instructions
described in the NPB-290 service manual.
You can temporarily change alarm limits from their default values
if necessary, as described below. Changes you make remain in
effect until you change them again, or until you turn off the
NPB-290.
Note: If the monitor resets at any time during operation, for
example due to an AC power surge, the monitor will
again conduct its power-on self-test (POST) and sound
the POST completion tone.
Any alarm limits that have been temporarily changed
prior to the reset could revert back to their default values.
A reset should occur, check the alarm limit values to
ensure that they are appropriate for the patient being
monitored.
Viewing Current Alarm Limits
To view the current upper alarm limit value for SpO2, press the
Upper Alarm Limit button.
The number displayed in the %SpO
2 field represents the current
SpO
2 upper alarm limit. A series of dashes are displayed in the
Pulse Rate field. Since the parameter being displayed is an upper
limit, these dashes appear in the upper portion of the Pulse Rate
display, as shown:
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