Mallinckrodt NPB-190 Manual del operador descargar pdf (Pagina 39)

Start-Up and Use

At Initial Power-Up

Immediately after the NPB-290 displays its software version

numbers and POST is completed, the monitor enters Pulse Search

(the Pulse Search indicator lights), if a sensor is properly

connected to the monitor. During this Pulse Search, the display

reads zeroes while the monitor searches for a valid pulse. When a

valid pulse is detected, the NPB-290 begins monitoring.

After Taking Measurements

If a pulse was previously acquired and then lost, the NPB-290

enters Pulse Search, and the Pulse Search indicator lights. The

display flashes the last detected readings while the monitor

searches for a valid pulse. When the monitor considers the pulse

“lost,” it displays flashing zeroes and a high priority alarm

sounds.

When a valid pulse is again detected, the NPB-290 exits pulse

search and displays the current readings. The Pulse Search

indicator goes out.

Refer to the “Management of the Loss-of-Pulse Alarm” paragraph

later in this section for a detailed description of Pulse Search,

motion, and the loss-of-pulse alarm.

Automatic Shutdown

The monitor automatically shuts off after 15 minutes, provided all

of the following conditions are in effect:

• the monitor is running on its internal battery

• no alarms are present (other than low battery or a

non-correctable error)

• no buttons have been pressed, and

• no pulse has been detected

Once a valid pulse is again acquired (within 15 minutes), the

instrument begins monitoring again.

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Mallinckrodt NPB-190 Manual del operador Pagina 39