Nellcor OxiMax N 5500, Руководство по обслуживанию, Страница: 19 / 101

Performance Verification
12 N5500 Service Manual
Performance
Verifi
cation, N5500
4. Verify following monitor reaction:
a. Pulse bar begins to track artificial pulse signal from SRC-MAX.
b. After about 10 to 20 seconds, monitor displays saturation and pulse rate as
specified by simulator. Verify values are within following tolerances:
l
Tolerance of Oxygen Saturation : ±2 % SpO
2
l
Tolerance of Pulse Rate : ±3 bpm
c. Audible alarm sounds and “Low SpO
2
limits violated” message will be
displayed and % SpO
2
numeric area will flash, indicating the parameter ha s
violated default alarm limits.
5. Press Alarm silence/suspend switch on monitor front panel. Audible alarm is
temporarily silenced.
6. Verify the following:
a. An audible alarm remains silenced.
b. Alarm silence icon appears in each numeric frame on display.
c. %SpO
2
display continues flashing.
d. Audible alarm returns in approximately 60 seconds.
3.3.4.2 QRS Volume Control
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.
4. Verify SpO
2
and pulse rate values are correctly displayed.
5. Press Alarm silence/suspend switch on front panel of the monitor to temporarily
silence audible alarm.
6. Verify heart rate tone source, found in ECG Menu, is set to “SpO
2
”.
7. Select Setup icon on the screen to display Set-up menu.
8. Rotate knob to highlight QRS volume on Set-up menu and press knob to adjust QRS
volume.
9. Set QRS volume 1 to 7 and return to the monitoring screen. Verify beeping pulse
rate tone increases.
10. Set QRS volume 7 to 1 and return to the monitoring screen. Verify beeping pulse
rate tone decreases.