6-28 170 Series Monitor Revision C
2000947-004
Functional Checkout Procedure: Alarm Test
Alarm Test
This portion of the test ensures the integrity of the audio alarms and tests the alarm
limit software.
1. Connect the Model 325 Simulator’s US sub-cable to the monitor’s
US input.
2. Press and hold (for three seconds)
Setup to enter the monitor’s setup mode.
3. Set the FHR alarm enable to on.
4. Set the FHR high alarm limit value to 180 BPM.
5. Set the FHR low alarm limit value to 100 BPM.
6. Set the FHR audio alarm to a level you can easily hear.
7. Press the
Setup button to exit the setup mode.
8. Press the monitor’s
Record button.
9. Verify that the FHR high and low limits print in the annotation area of the strip
chart paper.
10. Turn off the monitor’s recorder.
11. Set the switches on the Model 325 Input Simulator according to Table 6-7.
12. Using the simulator’s
Manual Adjustment knob, input an US signal of 179
BPM as indicated on the monitor. Verify that there is no alarm tone sounding
from the monitor’s speaker.
13. Using the simulator’s
Manual Adjustment knob, increase the US rate to 180
BPM. Again, verify that there is no alarm tone sounding from the monitor’s
speaker.
14. Using the simulator’s
Manual Adjustment knob, increase the US rate to 181
BPM. After five minutes, verify the following on the monitor:
An alarm tone is emitted from the monitor’s speaker (alternating high/low
tones).
The Alarm indicator flashes.
The affected heart rate numerics flash.
15. Press the monitor’s front panel
Alarm Silence pushbutton and verify that the
alarm tone silences but the visual indications remain present.
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