
5-4 Rad-8 Signal Extraction Pulse Oximeter Operator’s Manual
5
messages
MESSAGES
The Rad-8 will indicate other data or system errors. Message conditions are as follows:
DISPLAY TYPE SOLUTION
THREE DASHES (“---”)
Calibration and
Pulse Search
Wait for found pulse. (This search
should occur whenever a sensor is
first applied to a patient).
PULSE BAR (SIQ) TURNS RED
Low Signal IQ
1. Rule out occlusion of blood flow.
2. Verify placement of sensor.
3. Re-apply sensor or move to a
different site.
4. Replace sensor or cable.
PERFUSION BAR (PI) TURNS RED
Low Perfusion
1. Rule out occlusion of blood flow.
2. Attempt to warm patient.
3. Move sensor to better perfused
site.
NOTE: Masimo recommends using
an adhesive sensor whenever low
perfusion is expected or evident.
PARAMETER/MEASUREMENT
LABEL AND NUMBER FLASH
Alarm Limit
Exceeded
Assess /address patient condition.
Re-set alarm limits if indicated.
System Fault
Return for service.
There are several error codes. All
error codes require return of the
device to an authorized service
center for repair. See Section 9,
Service and Repair.
Defective
Sensor
Replace sensor.
Unrecognized
Sensor
Connect appropriate sensor.
Interference
Detected
Ensure that the sensor is properly
applied, and cover the sensor site
with opaque material, if required.
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