Service manual

Section 3: Performance Verification
3-5
10. Press the Power On/Standby button to turn the unit off. Turn the unit back
on.
11. Press and release the Upper Alarm Limit button. Verify that the %SpO
2
display indicates an alarm limit of “100”.
12. Press and release the Lower Alarm Limit button. Verify that the %SpO
2
display indicates an alarm limit of “85”.
13. Press the Upper Alarm Limit button two times rapidly. Verify that the pulse
rate display indicates an alarm limit of “170”.
14. Press the Lower Alarm Limit button two times rapidly. Verify that the pulse
rate display indicates an alarm limit of “40”.
15. Press the Power On/Standby button to turn the monitor off.
3.3.3 Hardware and Software Tests
Hardware and software testing include the following tests:
• Operation with a Pulse Oximeter Tester
• General Operation
3.3.3.1 Operation with a Pulse Oximeter Tester
Operation with an SRC-2 pulse oximeter tester includes the following tests:
• Alarms and Alarm Silence
• Alarm Volume Control
• Pulse Tone Volume Control
• Dynamic Operating Range
• Nurse Call
3.3.3.1.1 Alarms and Alarm Silence
1. Connect the SRC-2 pulse oximeter tester to the sensor input cable and
connect the cable to the monitor. Set the SRC-2 as follows:
SWITCH POSITION
RATE 38
LIGHT HIGH
MODULATION OFF
RCAL/MODE RCAL 63/LOCAL
2. Press the Power On/Standby button to turn the monitor on. After the normal
power-up sequence, verify that the pulse rate initially indicates zeroes.
Note: The pulse bar may occasionally indicate a step change as the
monitor is in the pulse search mode.
3. Set the modulation switch on the SRC-2 to HIGH.
4. Verify the following monitor reactions: