5-4
Rad-57 Signal Extraction Pulse CO-Oximeter Operator’s Manual
5
Alarms and Messages
Messages
The Rad-57 will indicate other data or system errors.
Message conditions for the Rad-57 follow:
DISPLAY REASON SOLUTION
NUMERIC VALUE
FLASHES
Parameter alarm
Assess /address patient condition.
Re-set alarm limits if indicated.
NO
SEN
No Sensor Connected Connect sensor to cable.
SEN
OFF
Sensor off patient
1. Reattach sensor to patient.
2. Verify proper sensor placement.
02
SEN
SpO
2
sensor attached
If SpCO and/or SpMet parameters are
desired, attach a Rainbow sensor to the
Instrument.
LEDS FLASH
HORIZONTAL BARS
Pulse Search
Wait for pulse detection. (This search should
occur whenever a sensor is first applied to a
patient). If necessary, shield the sensor from
excessive ambient or strobing light.
CIRCULATING LEDS Sensor is calibrating
LOW SIQ INDICATOR
FLASHES
Low Signal IQ
1. Rule out occlusion of blood flow.
2. Verify placement of sensor.
PERFUSION INDEX (PI)
BAR* TURNS RED
(Bottom two LEDs only.)
Low Signal Strength
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.
SINGLE BATTERY LEVEL
INDICATOR FLASHES
(WITH AUDIBLE ALARM)
Battery level too low Replace batteries immediately.
NO
CBL
No Cable Connected Connect appropriate cable to Instrument.
*available in upgraded Instrument
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