F9, F9 Express Fetal & Maternal Monitor User Manual Fetal Monitoring
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4 Select a value from 0 ~ 300 second(s) for High Alarm Delay. (The step is 5, and the default
value is 10 seconds.)
5 Select a value from 0 ~ 300 second(s) for Low Alarm Delay. (The step is 5, and the default
value is 10 seconds.)
6 Select OK.
WARNING
The FHR alarm delay is adjustable between 0 and 300 seconds.
7.2.6 Testing US Transducers
To test a US transducer:
1 Switch on the monitor.
2 Connect the US transducer to the fetal monitor.
3 Hold the transducer with one hand, and gently touch the center of the transducer with the
other hand in the frequency of 2 times per second.
Figure 7-2 Testing a US Transducer
4 Check that the value on the display shows this change in FHR.
If a US transducer fails the test, repeat this test with another transducer. If the second one passes
the test, defect of the first transducer is confirmed. Replace it with a good one. If the second
transducer fails the test as well, contact the manufacturer for service.
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