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Pulse Oximetry (SpO2)
Welch Allyn 74 Propaq Encore Reference Guide
STANDBY is displayed in the numeric window when the SpO
2
sensor is disconnected
from the patient, an alarm occurs, and you press the
STANDBY button. STANDBY is also
displayed if you first plug the SpO
2
sensor cable into the monitor connector before
attaching the SpO
2
sensor to the patient.
DEFECTIVE SpO2 SENSOR. If you see the error message DEFECTIVE SpO2 SENSOR,
either the sensor is not compatible with the monitor or the sensor is not working
properly. Check the Welch Allyn Products and Accessories booklet (810-0409-XX) to be
sure the sensor is compatible. If compatibility is not a problem, try another sensor.