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Operation Manual
Continuous Measurement / Review for EFW Calculation
You can measure OB item(s) continuously for EFW calculation.
Tips!
Before Measurement
1. Check whether the User key has been set to measure the EFW consecutively. To measure the EFW
consecutively using the User key, set it in Utility > Setup > Peripherals > User Key.
2. When the Confirm Current EFW Reference is not selected or when you want to change it, select or
change it in Utility > Measure Setup > OB > Tables > Fetal weight > EFW Equation.
NOTE: This function is not available in 3D Mode.
How to measure
1.
Press the User Key1 on the control panel. OB menu and measure items are displayed on the screen.
2.
Measure the items for EFW calculation using
trackball
and the
Set
button.
3.
Press the Freeze button to nish the rst measurement.
4.
Press the Freeze button to measure the next items.
5.
When you nish the measurement for all items, the result will be displayed on the monitor.
See following table;
Reference Measure Item (by Order)
Campbell
AC
Hadlock
BPD
→
AC
Hadlock1
AC
→
FL
Hadlock2
BPD
→
AC
→
FL
Hadlock3
AC
→
FL
→
HC
Hadlock4
BPD, HC
→
AC
→
FL
Hansmann
BPD
→
TTD
Merz
BPD
→
AC
Osaka
BPD
→
FTA
→
FL
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