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Numerical data
Following numerical parameters are displayed on DATA mode.
See “3-5. Numerical Data” for the meaning of abbreviations and the definitions of
parameters.
3-3-2. Fetal Heart Rate (FHR) mode (Only 2 MHz probe)
Displaying heart rate at the moment (DATA mode)
(1) Heart rate is displayed based on a 4 beat average once the Smartdop gets
sufficient data to calculate.
(2) The heart mark " " tracks heart beat while in measurement. The heart mark
also indicates the speed of heart movements in 3 different sizes as follows:
Fast Medium Slow
(3) When calculated heart rate is not stable, the asterisk (*) will show above “HR”.
Unit: cm/s Unit: kHz
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