24
Using the 9847V Pulse Oximeter
SpO
2
and Pulse Rate Displays
A pulse oximeter sensor fault occurs if the 9847V pulse oximeter detects a sensor disconnect,
dislodgement, or failure.
If a pulse oximeter sensor fault occurs or a sensor signal is no longer detected, a medium
priority (equipment) alarm starts. A dash (
-
) appears in the left digit of the SpO
2
display,
and the displayed readings freeze for 10 seconds if the sensor fault or inadequate signal
continues. During this medium priority alarm, an audible indicator occurs.
If the sensor fault or inadequate signal is not corrected, dashes display in the middle digit
of both the SpO
2
and pulse rate displays 10 seconds after the first dash appeared. The
corresponding dash(es) blink if there was a prior high priority animal alarm. When the
sensor fault or inadequate signal is corrected, the SpO
2
and pulse rate displays return to
normal operation.
When the SpO
2
or pulse rate alarm limits are met or exceeded, a high priority animal alarm
condition exists. The numerical values of the corresponding parameter blink and an
audible alarm occurs. If either the SpO
2
or pulse rate visible high priority animal alarms are
latched (continue) and the oximeter enters the critical battery state, the parameter will
show 3 blinking dashes in the corresponding displays.
If latched for a pulse oximeter medium priority equipment alarm (a sensor fault or inadequate signal),
a single blinking dash displays in the corresponding middle digit of the SpO
2
or the pulse rate display.
The visible and audible indicators stop when the condition is cleared.
Alarm Limit Review
When the Alarm Limit Review button is pressed and held, the animal alarm limits in effect
for no breath delay time (in seconds), SpO
2
, and pulse rate, as well as the breath beep
pitch setting, display in sequence for approximately 2 seconds in the order and format
shown in Table 3. If the button is released, the review mode is exited and normal operation
resumes.
During the alarm limit review only the SpO
2
and pulse rate displays are affected. The current SpO
2
and pulse rate measurements display after completing the limit review. If a critical battery state exists,
the alarm limit review sequence does not appear.
NOTE:
Pressing and holding the Alarm Limit Review button can be used to review alarm limits
and to activate an event marker.
Table 3: Alarm Limits Displayed During an Alarm Limit Review
Parameter
Appears in SpO
2
Display
Alarm Limits
(Default Values Shown)
No Breath Delay (seconds)
nbd
20
Oxygen Saturation Low Limit (%)
02L
85
Pulse Rate Low Limit (beats/minute)
H
L
50
Pulse Rate High Limit (beats/minute)
H
H
200
Oxygen Saturation High Limit (%)
02H
0FF
Breath Beep Pitch (fixed or variable)
FPt
0FF
(fixed pitch off)
%SpO2
6 6
-
8
9
%SpO2
-
-
%SpO2
- - -
- - -
%SpO
2