4-2
Rad-57 Signal Extraction Pulse CO-Oximeter Operator’s Manual
4
Operation
■ Sensitivity Setting
■ Averaging Time
■ FastSat: Setting
*available in upgraded Instrument
10. On the display, for each corresponding parameter/measurement, verify the readings (depending
on the sensor used), for SpO
2
, PVI*, SpCO*, SpMet* and PR.
NOTE: “- - - “ will show on the numeric display until the SpO
2
, SpCO*, PVI, SpMet* and
pulse rate readings have stabilized (less than 20 seconds for SpO
2 and up to 120 seconds for
PVI*,SpCO* and SpMet*).
11. Verify that the patient alarms are functional by setting the high and low SpO
2
and pulse rate
alarm limits beyond the patient readings.
■ An alarm tone sounds.
■ The violated alarm parameter/measurement flashes.
12. Verify the sensor alarms are functional by removing the sensor from the sensor site.
■ “SEn OFF” message appears on the display.
■ The alarm tone sounds.
■ The Visual Alarm Indicator flashes.
■ Disconnect the sensor from the patient cable or oximeter.
■ Confirm that “NO SEn” message appears on the display.
NOTE: “NO SEn” and “SEn OFF” will only generate an alarm if the Rad-57 was actively monitor-
ing a patient when the sensor was disconnected.
13. Verify parameter/measurement violation alarm silence operation.
■ Create an alarm condition by lowering the SpO
2
or pulse rate high alarm limits beyond the
patient readings.
■ Press the Alarm Silence button.
■ The alarm tone ceases for 120 seconds.
14. To begin patient monitoring:
■ Adjust the alarm limits.
■ Adjust the alarm volume.
■ Adjust the pulse beep volume.
15. Verify the sensor is applied correctly and that the measured data is appropriate, see Section 4,
Successful SpO
2
Monitoring.
16. Monitor the patient.
17. After monitoring is complete, remove the sensor from the patient and store or dispose of the
sensor according to governing rules. See the Directions for Use of the sensor.
18. Press and hold the Power On/Off button for 2 seconds to turn the oximeter off.
*available in upgraded Instrument
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