4-36 250cx Series Maternal/Fetal Monitor Revision C
2036947-001
Maintenance: Dual Heart Rate Test (Non-Pattern)
Rate, FECG and US” on page 4-36.)
Dual Heart Rate, FECG and US
Dual Ultrasound Modes
1. As stated previously, the dual ultrasound mode of the 250cx Series Monitor
cannot be tested unless two Model 325 Simulators are used or two Model 250cx
Series ultrasound transducers.
Do not
attempt to test dual ultrasound using one
Table 7. Dual Heart Rate Test (Non-Pattern) Simulator Settings
Section Switch Setting
FECG/MECG
Rate/CMR RATE
Rate 120 bpm
Mode FECG
QRS Amplitude 50 µV
QRS Polarity +
ULTRASOUND/FMD
Mode US
Level MED
Rate RAMP
GENERAL Pattern Memory Off
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