
5-2 Rad-57 Signal Extraction CO-Pulse Oximeter Operator’s Manual
5
Rad-57 Signal Extraction CO-Pulse Oximeter Operator’s Manual 5-3
5
ALARM SILENCE
Audible alarms may be suspended, while visual alarms may not. There are three audible
alarm suspension settings, all controlled by the Alarm Silence Button. Repeated pressing
the Alarm Silence Button will cycle though all three Alarm Silence options.
Power-On – Alarms are active and Alarm Silenced Indicator is off.
Push Once – Alarm is silenced for 120 seconds and Alarm Silenced Indicator flashes.
Push Twice - Return to Audible Alarm Active.
ALARM SILENCED INDICATOR
The Alarm Silenced Indicator provides visual feedback regarding the audible alarm status.
The audible alarms are muted when the indicator is continuously illuminated.
While monitoring a patient, acknowledging an alarm condition by pressing the Alarm
Silence Button (one time) will silence the alarm tone for 120 seconds and the Alarm
Silenced Indicator will flash. Pressing the Alarm Silence Button a second time (while the
Alarm Silenced Indicator is still flashing) will activate alarms and alarm indicator is off.
While not monitoring a patient, acknowledging an alarm condition by pressing the Alarm
Silence Button (one or more times) will permanently silence the alarm tone, and the Alarm
Silenced Indicator will remain illuminated until the power is cycled or patient monitoring
begins.
Should the alarm condition be created by low batteries, replace the batteries before
monitoring begins.
alarms / messages alarms / messages
MESSAGES
The Rad-57 will indicate other data or system errors.
Message conditions for the Rad-57 follow:
DISPLAY TYPE SOLUTION
SpO
2
NUMBER
FLASHES
Saturation limit alarm Assess /address patient condition.
Re-set alarm limits if indicated.
PULSE RATE
NUMBER FLASHES
Pulse Rate limit alarm Assess /address patient condition.
Re-set alarm limits if indicated.
No Sensor Connected Connect sensor to cable.
Sensor off patient 1. Reattach sensor to patient.
2. Verify proper sensor placement.
LEDS FLASH
HORIZONTAL BARS
Pulse Search Wait for pulse detection. (This Search
should occur whenever a sensor is first
applied to a patient).
LOW SIQ INDICATOR
FLASHES
Low
SpO
2
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.
% SpCO BAR GRAPH
Alarm Condition Contunuously indicates the
concentration of Carboxyhemoglobin in
5% increments. When an SpCO alarm is
violated, the bargraph will flash the color of
the SpCO level being violated along with
an audible alarm.
Note: For a more accurate reading
press the SpCO button.
SINGLE BATTERY
LEVEL INDICATOR
FLASHES (WITH
AUDIBLE ALARM)
Battery level too low Replace batteries immediatly.
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