ULTRASOUND EQUIPMENT USER MANUAL
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b) Press
arrow keys or touch the trackball to select the start point of
the measurement;
c) Press
to confirm the starting point of the measurement;
d) Press
arrow keys to select the end point of the measurement; and
displays the gestational weeks, expected date of confinement and the data of fetal weight:
HL: XX.X (cm)
G.A: XX (weeks)
The EDD = 20XX (year)-XX-XX (month - day)
G: XXXX ± XXX (g)
e) Press
to end the measurement, exchange the start and end point of the measurement;
f) Repeat step d and step e to carry on another measurement;
g) Press the button
to exit the gestational week measurement;
h) After exited gestational week measurement, press
to clear the measurement mark of
OFD.
5.9.7
（
TTD
）
Transverse Trunk Diameter
a) Press
to highlight OFD on the right side; cursor “+” appears in the screen;
b) Press
arrow keys or touch the trackball to select the start point of
the measurement;
c) Press
to determine the start point of the measurement;
d) Press
arrow keys to select the end point of the measurement; and
displays the gestational weeks, expected date of confinement and the data of fetal weight:
HL: XX.X (cm)
G.A: XX (weeks)
The EDD = 20XX (year)-XX-XX (month - day)
G: XXXX ± XXX (g)
e) Press
to end the measurement, exchange the start and end point of the measurement;
f) Repeat step d and step e to carry on another measurement;
g) Press the button
to exit the gestational week measurement;
