Nellcor OxiMax N 5500 Service Manual page 19

Performance Verification
4. Verify following monitor reaction:
a.
b.
c.
5. Press Alarm silence/suspend switch on monitor front panel. Audible alarm is
temporarily silenced.
6. Verify the following:
a.
b.
c.
d.
3.3.4.2 QRS Volume Control
1. Press monitor Power On/Off switch to turn monitor on.
2. Connect SRC-MAX SpO
monitor.
3. Set SRC-MAX as follows: SpO
4. Verify SpO
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
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. V erify beeping pulse
rate tone increases.
10. Set QRS volume 7 to 1 and return to the monitoring screen. Verify beeping pulse
rate tone decreases.
12
Pulse bar begins to track artificial pulse signal from SRC-MAX.
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
l
Tolerance of Pulse Rate : ±3 bpm
Audible alarm sounds and "Low SpO
displayed and % SpO numeric area will flash, indicating the parameter ha s
2
violated default alarm limits.
An audible alarm remains silenced.
Alarm silence icon appears in each numeric frame on display.
%SpO display continues flashing.
2
Audible alarm returns in approximately 60 seconds.
simulator to sensor input cable and connect cable to
2
2
and pulse rate values are correctly displayed.
2
N5500 Service Manual
2
limits violated" message will be
2
of 75% and pulse rate of 60 bpm.
".
2