
Start-Up and Use
When all of the following conditions are present for 15 minutes,
the NPB-295 automatically shuts down:
• Running on battery power
• No buttons have been pressed
• No pulse has been detected (for example, when no patient is
connected to the sensor or the sensor is disconnected)
• No alarms are present (other than low battery or a non-
correctable error)
ALARMS
Description of Alarms
The NPB-295 has three levels of audible alarms.
1. High-priority alarm: Indicated by a fast-rate, high-pitched,
pulsing tone. A high-priority alarm sounds after loss-of-
pulse is detected.
Refer to the “Management of the Loss-of-Pulse Alarm”
paragraph in this section for a detailed description of the
loss-of-pulse alarm.
2. Medium-priority alarm: Indicated by a medium-rate,
medium-pitched, pulsing tone. A medium-priority alarm
sounds when any measured patient parameter moves outside
the set alarm limits.
During a medium-priority alarm, the display flashes with the
patient parameter that violated the limit (%SpO
2 or Pulse
Rate).
3. Low-priority alarm: Indicated by a slow, low-pitched,
pulsing tone. A low-priority alarm sounds during the
following conditions:
• low battery (while operating on battery power)
• when an SpO
2 cable has been disconnected
• monitor failure
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