Revision B 120 Series Maternal/Fetal Monitor 6-17
2015590-001
Functional Checkout Procedure: Ultrasound Test
8. Place the simulator’s
US Rate switch in each of the individual rate settings (50,
60, 120, and 210 BPM). Verify the following on the monitor:
 The FHR1 value reflects the simulator setting ± 1 BPM.
îš‹ The FHR1 heartbeat indicator ( ) flashes at the simulator setting.
îš‹ Ultrasound audio is heard coming from the rear panel speaker.
 The recorder prints a continuous line at the respective value ± 3 BPM on
the top grid of the strip chart paper.
9. Repeat step 4 through step 8 using the second ultrasound channel. (The mode
will show
US2.)
10. Place the simulator’s
US Mode switch in the OFF position. Verify the
following on the monitor:
îš‹ The FHR1 value and mode are both blank.
îš‹ The recorder stops printing the fetal heart rate trace.
îš‹ The recorder prints the message CARDIO INOP on the center margin of the
strip chart paper after approximately 20 seconds.
Table 6-3. Ultrasound Test Simulator Settings
Section Switch Setting
US/FMD
Mode US
Signal Level MED
Rate MANUAL
GENERAL Pattern Memory OFF
UA
Main CMR
Mode TOCO