Revision B 120 Series Maternal/Fetal Monitor 6-33
2015590-001
Functional Checkout Procedure: Alarm Test
18. Wait 30 seconds and verify the following:
îš‹ The alarm tone is once again emitted from the rear panel speaker.
îš‹ The MECG value flashes again.
19. Depress the monitor’s front panel
Alarm Silence pushbutton again.
20. Use the simulator’s
Manual Adjustment knob to decrease the MECG rate to
120 bpm. Verify the following on the monitor:
îš‹ The alarm tone is silenced.
îš‹ The MECG value no longer flashes.
îš‹ After 10 seconds, the two above conditions are still true.
21. Using the simulator’s
Manual Adjustment knob, input an MECG signal of 61
bpm. Verify that there is no alarm tone sounding from the rear panel speaker.
22. Using the simulator’s
Manual Adjustment knob, decrease the MECG rate to
60 bpm. Again, verify that there is no alarm tone sounding from the rear panel
speaker.
23. Using the simulator’s
Manual Adjustment knob, decrease the MECG rate to 59
bpm. Verify the following on the monitor:
 The alarm tone is emitted from the monitor’s rear panel speaker.
îš‹ The MECG value flashes.
24. Depress the monitor’s front panel
Alarm Silence pushbutton and verify the
following:
îš‹ The alarm tone is silenced.
îš‹ The MECG value no longer flashes.
Table 6-7. Alarm Test Simulator Settings
Section Switch Setting
FECG/MECG
Main RATE
Rate MANUAL
Mode MECG
QRS Amplitude 500 µV
QRS Polarity +
GENERAL Pattern Memory OFF
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