Mallinckrodt NELLCOR NPB-195 Service Manual page 16

Section 3: Performance Verification
3-4
2. Press the Limits softkey. Press and hold the Down Arrow button. Verify
that the boxed number for %SpO
of "85."
Note: A decimal point in the display indicates that the alarm limits have
been changed from factory default values.
3. Press the SEL softkey. Verify that the monitor emits a single beep and the
box moves to the %SpO
Figure 3-4: Adjusting % SpO
4. Press and hold the Down Arrow button and verify that the %SpO
alarm limit display reduces to a minimum of "20." Press and hold the Up
Arrow button and verify that the %SpO
raised past the upper alarm limit setting of "85." Press the Exit button.
5. Press the Limits softkey and then press the SEL softkey two times. Verify
that the monitor emits a beep after each keystroke. The Pulse upper alarm
limit should be "170" and should be boxed. See Figure 3-5.
Figure 3-5: Adjusting High Pulse Rate Alarm
6. Press and hold the Down Arrow button. Verify that the Pulse upper alarm
limit display reduces to a minimum of "40" and is displayed. Press the Exit
button.
7. Press the Limits softkey and then press the SEL softkey three times. Verify
that the Pulse lower alarm limit display indicates an alarm limit of "40" and
is boxed. See Figure 3-6.
Figure 3-6: Adjusting Low Pulse Rate Alarm
upper alarm limit reduces to a minimum
2
lower alarm limit of "85." See Figure 3-4.
2
ALARM LIMITS
%SP02
PULSE
SPO2
100 170
UPPER
BPM
LOWER 85
40
SEL EXIT
Lower Alarm Limit
2
lower alarm limit display cannot be
2
ALARM LIMITS
%SP02
PULSE
SPO2
170
UPPER 100
BPM
LOWER 85
40
SEL EXIT
ALARM LIMITS
%SP02
PULSE
SPO2
170
UPPER 100
BPM
85
LOWER 40
SEL EXIT
NPB-195
100
110
lower
2
NPB-195
100
110
NPB-195
100
110