20
Alarms and Limits
Alarm Summary
The Model 7500 detects both patient and equipment alarms. In general,
patient alarms are identified as high priority, while equipment alarms are
identified as medium priority. High priority alarms always take priority over
medium priority alarms. Alarm indicators remain active for as long as the
alarm condition is present.
Patient Alarms
If patient SpO
2
or pulse readings are equal to or above the upper alarm
limit, or if they are equal to or below the lower alarm limit, the device will
signal a high priority alarm, indicated by numeric LEDs flashing in sync
with the red Alarm Bar LED.
Equipment Alarms
Alarm Description
Factory
Default
Adjustment
Options
Increment
SpO
2
High Alarm Limit
Off
Off, 80-100
1%
SpO
2
Low Alarm Limit
85%
Off, 50-95
1%
Pulse Rate High Alarm Limit
200 BPM
Off, 75-275
5 BPM
Pulse Rate Low Alarm Limit
50 BPM
Off, 30-110
5 BPM
Low Perfusion Alarm
Red segment on Pulse Strength Bargraph
indicates low patient perfusion.
Alarm Description
Visual Indicator
Low Battery Alarm
Battery LED blinks in sync with Alarm Bar LED. This
alarm signifies that the battery has less than 30
minutes of normal operation. When Critical Low
Battery is reached, the device’s oximetry functions
are disabled.
Sensor Alarm
Sensor Alarm LED blinks in sync with Alarm Bar
LED. This alarm signifies a sensor alarm,
disconnect, or fault.
Other Equipment Alarms Error code appears in main display area.