Service Menu - Nellcor NPB-190 Service Manual

Section 4: Audible Alarm Settings & Service Menu
4.3

SERVICE MENU

4.3.1 Accessing Menu Items
4.3.2 Menu Item 1 (Save Current Values as Power-On Default)
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2. After 3 seconds, while still pressing the Alarm Silence button, the Adjust
Up or Adjust Down button can be used to select alarm volumes from 1 to
10. Select a level that is suitable for the monitor's location.
The menu items listed below should be accessed only by a qualified service
technician. Power-on default values can be changed for the behavior of the
audible alarm, alarm limits, and for the serial port.
1. Menu items can be accessed at any time by pressing the Upper and Lower
Alarm Limit buttons simultaneously for at least 3 seconds. The service
menu has been accessed when a 1 appears in the pulse rate display.
2. Pressing the Adjust Up or Adjust Down button selects the menu item
number. Menu numbers 5 and 6, have items within them that can be selected
by first pressing the Upper Alarm Limit button, and then pressing the Adjust
Up or Adjust Down key.
Note: Service menu items greater than 2 cannot be accessed if a sensor is
connected to the monitor.
3. Once adjustments have been made within a menu item the, Upper Alarm
Limit button can be used to initiate the current selection. Three tones will
sound to indicate that the change has been accepted, and the monitor will
return to normal monitoring.
4. The service menu can be exited without making changes by pressing the
Lower Alarm Limit button. If a period of 10 seconds passes with no button
presses, the instrument will exit the service menu, go to normal monitoring,
and no changes will have been made.
1. If menu item 1 is selected, the current values for alarm limits, alarm volume,
pulse beep volume, audible alarm silence duration, alarm silence behavior,
and baud rate will be saved as the power-on default settings. Some values
are not allowed to be saved as power on default values, they are; an Alarm
Silence Duration of Off, and low %SpO
invalid tone is heard instead of the triple beep the current settings were not
changed.
Note: Current values will not be stored in memory as defaults, if power is
interrupted before exiting this menu option.
Note: When the operator changes an alarm limit to a value other than a power
on default value, a decimal point will appear to the right of the parameter
whose alarm limit was changed.
alarm limits less than 80%. If an
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