Rad-57 Signal Extraction Pulse CO-Oximeter Operator’s Manual 5-1
5
alarms / messages
Alarm Indication
An alarm condition is indicated by:
■ Audible alarm tone
■ Visual Alarm Indicator
■ Out-of-limit parameter will flash
“SEn OFF” and “nO SEn” will only generate an alarm condition after a pulse has been
found.
Alarm Limits
CAUTION: TO ENSURE THAT ALARM LIMITS ARE APPROPRIATE FOR THE
PATIENT BEING MONITORED, CHECK THE LIMITS EACH TIME THE PULSE CO-
OXIMETER IS USED.
An audible alarm and a flashing alarm status indicator will occur when an alarm limit is
exceeded for greater than five seconds. It is best that the operator be within a minimum
of 10 feet from the unit. Directions for alarm suspension are indicated below. When a
sensor is not connected to a patient, or when a sensor is not connected to its cable,
the display will read SEn OFF or NO SEn. An audible alarm will accompany the display
unless the oximeter has been set to Alarm Silence Mode.
SETTING RANGE
SpO
2
High Limit
The SpO
2
high alarm limit can be set anywhere between 2% and 100%, with a
1% step size. In the “----” (off) setting, the SpO
2
High Limit alarm is disabled.
SpO
2
Low Limit
The SpO
2
low alarm limit can be set anywhere between 1% and 100%, with
a 1% step size.
NOTE: The low alarm limit must always be below the high alarm limit. If the high
alarm limit is set below the low alarm limit, the low alarm limit will automatically
adjust to the next setting below the newly entered high alarm limit.
Pulse Rate High
Limit (BPM)
The pulse rate high alarm limit can be set anywhere between
30 BPM and 240 BPM, with a 5 BPM step size.
Pulse Rate Low
Limit (BPM)
The pulse rate low alarm limit can be set anywhere between
25 BPM and 235 BPM, with a 5 BPM step size.
NOTE: The low alarm limit must always be below the high alarm limit. If the high
alarm limit is set below the low alarm limit, the low alarm limit will automatically
adjust to the next setting below the newly entered high alarm limit.
SpCO* High Limit
The SpCO high alarm limit can be set anywhere between 5% and 40%,
with a 5% step size. In the "----" (off) setting, the SpCO High Limit Alarm is
disabled. Factory default setting is 10%.
SpCO* Low Limit
The SpCO low alarm limit can be set anywhere between 5% and 35%,
with a 5% step size. In the "----" (off) setting, the SpCO Low Limit Alarm is
disabled. Factory default setting is “off.”
NOTE: The low alarm limit must always be below the high alarm limit. If the high
alarm limit is set below the low alarm limit, the low alarm limit will automatically
adjust to the next setting below the newly entered high alarm limit.
*See Model Summary for applicable device.
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