FujiFilm SonoSite SII, User Manual Supplement

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34 Measurement references
g Using the touchpad or the touchscreen, position the caliper at the end of the desired waveform, and
then tap
Set .
h Tap Save Calc to save the calculation.
To measure a Tissue Doppler Imaging (TDI) waveform
1 Ensure that TDI is on.
2 On a frozen Doppler spectral trace, tap Calcs .
3 Tap
TDI
on the calculations menu, and then do the following for each measurement you want to take:
a On the calculations menu, select the measurement name.
b Position the calipers.
c Tap Save Calc to save the calculation.
Measurement references
Measurement accuracy
Note
If you invert the frozen image or move the baseline, results are cleared.
Table 7: PW Doppler mode measurement and calculation accuracy and range
Doppler mode
measurement
accuracy and range
System tolerance Accuracy by
Test method
a
Range
Velocity cursor < +/- 2% plus 1% of full
scale
b
Acquisition Phantom 0.01 cm/sec-
550 cm/sec
Frequency cursor < +/- 2% plus 1% of full
scale
b
Acquisition Phantom 0.01kHz-20.8
kHz
Time < +/- 2% plus 1% of full
scale
c
Acquisition Phantom 0.01-10 sec
a
FUJIFILM SonoSite special test equipment was used.
b
Full scale for frequency or velocity implies the total frequency or velocity magnitude, displayed on the scrolling
graphic image.
c
Full scale for time implies the total time displayed on the scrolling graphic image.