Audible Indicators - Nellcor OXIMAX N-600X Series Service Manual

General Introduction

Audible Indicators

Audible indicators include pitched tones and beeps. Caregivers may choose to
silence alarms by pressing the ALARM SILENCE key.
WARNING
Pressing ALARM SILENCE will keep ALL alarms from sounding for the alarm silence
duration period.
Caution
Should the caregiver fail to clear a primary audible alarm within two (2) minutes, a secondary
alarm with a unique pitch sounds.
Function
Alarm Silence Reminder
Piezo Tone
Pulse Beep
High Priority Alarm
Medium Priority Alarm
Low Priority Alarm
SPD Alarm
High Alarm
Power-On Self-Test Pass
Confirmation Tone
Invalid Softkey Press
Valid Softkey Press
Volume Setting Tone
20
Table 3. Audible Indicator Functions
Three beeps sound approximately every three minutes with the alarm silence duration set
to OFF and the alarm silence reminder function enabled.
A high-pitched piezo tone sounds if there is no user response to an audible alarm, or if the
oximeter detects a failure of the primary speaker.
Single beep sounds for each detected pulse. The pitch of the pulse beep signal changes
with a point by point rise or fall in the saturation level.
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High pitched, fast pulsing tone indicates loss
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Note: If a High Priority Alarm is not silenced within 30 seconds by pressing the
ALARM SILENCE key, the oximeter increases the urgency level of the audible alarm
signal by alternating a piezo tone with the primary alarm tone.
Medium pitched, pulsing tone indicates an SpO
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Note: If a Medium Priority Alarm is not silenced within two minutes by pressing the
ALARM SILENCE key, the oximeter increases the urgency level of the audible alarm
signal by alternating a piezo tone with the primary alarm tone.
Low pitched, slow pulsing tone at 3.5 second intervals indicates an OxiMax pulse
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oximetry sensor disconnect, low battery, or oximeter failure.
Note: If a Low Priority Alarm is not silenced within two minutes by pressing the
ALARM SILENCE key, the oximeter increases the urgency level of the audible alarm
signal by alternating a piezo tone with the primary alarm tone.
A trio of quick high-, medium-, high-pitched tones at 2.5 second intervals
A pair of quick medium-pitched tones followed by a high-pitched pulsing tone at 2.5
second intervals
One-second tone indicates the oximeter has been turned on and has successfully
completed the power on self
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Three beeps sound to confirm default settings are either saved or reset to factory defaults,
or the trend data has been deleted.
Quick, low pitched tone indicates a softkey has been pressed that is inappropriate for the
-
current state of the oximeter.
Quick, medium pitched tone indicates appropriate softkey has been pressed.
-
Continuous tone indicates alarm volume adjustment.
10030881 Rev. B 12-2008
Description
of pulse.
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or pulse rate limit violation.
2
test.
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Service Manual