Performance Verification
N5500 Service Manual 11
Performance
Verification, N5500
9. Use knob to select NIBP Menu and set Automatic Mode Interval to 5 minutes. Initial
NIBP measurement will be automatically taken in 5 minutes, then subsequent NIBP
measurements will be taken for 5 minutes, Automatic Mode Interval (from one
measurement completes to the next measurement starts).
10. N5500 monitor must operate for 1 hour with a full-charged battery. N5500 monitor
must operate for at least 5 minutes before monitor automatically powers down due to
low battery condition.
11. Verify low battery alarm occurs and the low battery indicator is lit about 5 minutes
before battery fully discharges.
12. Allow monitor to operate until it automatically powers down due to low battery
condition. Verify high priority alarm occurs 15 seconds before monitor automatically
shuts down.
13. If monitor passes this test, immediately recharge battery (3.3.1 Battery Charge).
3.3.3 Power-On Self-Test
1. Connect monitor to AC power source and verify AC Power indicator is lit.
2. Observe monitor front panel. With monitor off, press Power On/Off switch. Monitor
must perform the following sequence.
a. Monitor emits three consecutively higher pitched beeps.
b. Nellcor logo appears for a few seconds, with version numbers of the software
displayed in lower left corner of display.
c. Alarm Indicator (red) on the top of the front panel, AC power indicator
(green) and Low battery indicator (green) on the right bottom of the front
panel are illuminated.
d. Upon successful completion of power-on self-test, display will be in normal
monitoring screen configuration.
Note: Power-on self-test takes approximately 3 seconds to complete.
Note: No vital signs numeric values or waveforms will be displayed.
3.3.4 General Operation Tests
3.3.4.1 Alarms and Alarm Silence
1. Press monitor Power On/Off switch to turn monitor on.
2. Connect SRC-MAX SpO
2
simulator to sensor input cable and connect cable to
monitor.
3. Set SRC-MAX as follows: SpO
2
of 75% and pulse rate of 60 bpm.
