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Audible Alarms and Informational Tones
9847V uses audible alarms and informational tones (along with visible indicators) to alert veterinary
professionals to several animal and equipment conditions. A high priority (animal) alarm alerts the
veterinary professional of a animal's absence of breath, high or low oxygen saturation, pulse rate, or
inadequate pulse quality signal. A medium priority (equipment) alarm indicates the batteries have
reached critically low capacity, or that a sensor alarm condition is occurring. An informational tone
(a beep) indicates a non-alarm event (a breath).
The audible alarms can be permanently or temporarily disabled using the Audible Alarm Disable
button.
About Pulse Oximetry
9847V determines functional oxygen saturation of arterial hemoglobin (SpO
absorption of red and infrared light passed through perfused tissue. Changes in absorption caused by
pulsation of blood in the vascular bed are used to determine arterial saturation and pulse rate.
Oxygen saturation and pulse rate values are indicated on light-emitting diode (LED) digital displays.
On each detected pulse, the Pulse Quality indicator blinks. Animal pulse quality signals are graded as
good, marginal, or inadequate and are indicated as such by the Pulse Quality indicator blinking green,
yellow, or red respectively. This simple method gives the user a pulse-by-pulse visual indication of
waveform signal quality without requiring the user to perform complex waveform analysis during
critical animal care situations.
If an inadequate pulse is detected, the Pulse Quality indicator blinks red and a high priority animal
audible alarm sounds.
If the SpO
or the pulse rate meets or exceeds user-defined alarm limits, the corresponding numerical
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value blinks on the SpO
If the pulse oximeter sensor is disconnected, malfunctions, or an adequate signal is not detected:
1. A dash appears in the leftmost position of the SpO
2. The displayed SpO
3. A medium priority equipment alarm sounds (unless the audible alarms are disabled or unless
overridden by a high priority animal alarm).
4. 10 seconds after the first dash appears, dashes replace the SpO
condition is not corrected.
5. The dashes blink if an animal alarm was in process.
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or pulse rate displays and a high priority animal audible alarm sounds.
2
and pulse rate values freeze for 10 seconds.
2
2
display.
2
and pulse rate values if the
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Introduction
) by measuring the
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