
Start-Up and Use
Since the monitor cannot operate with a fully discharged battery,
before attempting to turn on an NPB-295 whose battery charge
has been depleted, first plug the monitor into an AC outlet to
allow the battery to charge for a few minutes. The monitor may
then be powered on.
To charge a dead battery, connect the monitor to AC power. A
full charge takes 14 hours while turned off, or 18 hours during
regular use.
When all of the following conditions are present for 15 minutes,
the NPB-295 will automatically shutdown:
• 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)
Low Battery Indicator
The Low Battery Indicator lights and a low priority alarm begins
to sound when approximately 15 minutes of monitoring time is
available on the existing battery charge. This alarm cannot be
silenced while running on battery power. Connect to AC power
to silence the alarm.
Note: If the AC voltage selector switch on the rear panel does
not match your AC voltage source, the monitor may run
on battery power, even though it is plugged in, which will
eventually result in a low priority alarm and a lighted low
battery indicator. Ensure the switch setting matches your
AC voltage source.
If the monitor is not connected to AC power within
approximately 15 minutes, it will shut down.
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