
4-14 Radical-7 Signal Extraction Pulse CO-Oximeter Operator’s Manual
4
Operation
Alarms
Check alarm limits each time the Pulse CO-Oximeter is used to ensure that they are appropriate
for the patient being monitored. An audible alarm and a flashing alarm icon (and indicator light)
will occur when an alarm limit is exceeded. It is best that the operator be within a minimum of
10 feet from the instrument.
MENU ITEMS DESCRIPTION
SpO
2
HIGH LIMIT
The SpO
2
high alarm limit can be set anywhere between 2% and 99%,
then “---” with a 1% step size. In the “----” (off) setting, the alarm can be
turned off completely.
SpO
2
LOW LIMIT
The SpO
2
low alarm limit can be set anywhere between 1% and 98%,
with a 1% step size.
NOTE: The low alarm limit must be set below the high alarm setting.
When 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 setting.
NOTE: The SpO
2
low limit cannot be set below the password
protected minimum low SpO
2
alarm limit. See Section 4, Operation,
Display for details.
PULSE RATE HIGH
LIMIT (BPM)
The pulse rate high alarm limit can be set anywhere between
35 BPM and 235 BPM, with a 5 BPM step size.
PULSE RATE LOW
LIMIT (BPM)
The pulse rate low alarm limit can be set anywhere between 30 BPM
and 230 BPM, with a 5 BPM step size.
NOTE: The low alarm limit must be set below the high alarm setting.
When 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 setting.
SpMet HIGH LIMIT
The SpMet high alarm limit can be set anywhere between 1.0% to
99.5%, then “---”. Between 1.0% and 2.0%, the step increment is 0.1%.
Between 2.0% and 99.5%, the step increment is 0.5%.
SpMet LOW LIMIT
The SpMet low alarm limit can be set as “---”, or anywhere between
0.1% to 99%. Between 0.1% and 2.0%, the step increment is 0.1%.
Between 2.0% and 99%, the step increment is 0.5%. In the “----” (off)
setting, the alarm can be turned off completely.
NOTE: The low alarm limit must be set below the high alarm setting. 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 setting.
SpCO HIGH LIMIT
The SpCO high alarm limit can be set anywhere between 2% and 98%,
then “---” with a 1% step size.
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