53
‘
?
’ then ‘
? ?
’, and ‘
? ? ?
’.
Confirm first digit shows ‘-’ indicating an oral probe is fitted.
Confirm LED display indicate 98.6°F (+/- 0.1°F).
4.2.4 Pulse Oximeter Requirements
The operation of the SpO
2
module shall be tested if fitted (TS Model only). If no module is fitted continue
from section
4.2.5
.
Switch on UUT.
Enter Service Mode as detailed in section
3.3.2
Select SYSTEM from sub menu.
Select SYSTEM from sub menu again.
If SpO
2
option box on UUT LCD does not have a tick against it, select box using rotor control, press rotor
push button and confirm it has a tick alongside it.
Switch off UUT.
4.2.4.1
Pulse data and saturation data verification
Connect a Nellcor Puritan Bennett™ Pulse Simulator either a model SRC-2, PT-2500 or N-1290 to simulate
the oximeter sensor.
Switch on UUT and allow it to initialize.
Select ALARMS from main menu.
Set BPM upper limit to 250.
Set BPM lower limit to 10.
Set SpO
2
upper limit to OFF.
Set SpO
2
lower limit to 50.
Plug in Nellcor Simulator and switch on (N-1290 only).
Test DINAMAP
™
Compact
unit using the full complement of SpO
2
and pulse rate settings available on your
simulator.
Confirm unit is within the tolerances given below.
Saturation Tolerance:
70 - 100%
+2 digits
50 - 69%
+3 digits
Rate Tolerance:
+ 3 beats per minute from 20 - 250 beats per minute.
4.2.4.2
Pulse Search verification
Set pulse rate to zero on Nellcor Puritan Bennett™ simulator (N1290 only) or disconnect simulator, verify
the "No SpO
2
Signal" message is displayed on the UUT LCD. Acknowledge message by pressing rotor
switch.
4.2.4.3
Probe Disconnected Verification
After a period of normal operation with a pulse input of 90 applied, disconnect SpO
2
simulator from UUT,
verify that the "No SpO
2
Signal" message is displayed on the LCD.
Acknowledge message by pressing rotor switch.
Verify that the "No SpO
2
Sensor" message is displayed on the LCD from the module.
Acknowledge message by pressing rotor switch.
Switch off UUT.