Whale PE-12-025 User Manual page 186

Chapter 7 - System Operation
PI (Auto) Measurement
STEP 1
STEP 2
STEP 3
STEP 4
PI (Manual) Measurement
STEP 1
STEP 2
STEP 3
STEP 4
Acceleration Measurement
Function: To measure the ratio between acceleration or deceleration and
time. It is composed of two measurement marks: distance mark and velocity
mark, to calculate the peak velocity (Vmax), Time (T) and acceleration.
STEP 1
STEP 2
STEP 3
STEP 4
Velocity Ratio Measurement
Function: To measure the velocities of two respective points (V1, V2) and cal-
culate the velocity ratio (V1/V2, V2/V1, (V1-V2)/V1).
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el to position the focus, and the velocity measurement will be
displayed in the Measurement result table.
After entering PW measurement mode, click PI Auto to select auto-
matic tracing measurement.
A tracing caliper occurs on the screen, press Set key on the control
panel to position the caliper and set the starting point.
Move the trackball and press Set key on the control panel to posi-
tion the end point.
The system will automatically calculate the maximum value be-
tween the two calipers. In addition, a caliper will appear, and rotate
the trackball and press Set key on the control panel to confirm the
second caliper. After the measurement is completed, the measure-
ment results will be displayed in the Measurement result table.
After entering PW measurement mode, click the main menu PI
Manual to select the manual tracing measurement.
A tracing caliper will appear on the screen, press Set key on the con-
trol panel to position the caliper and set the starting point.
Move the cursor to the maximum spectrum value required, and
press Set key on the control panel to position the end point.
A caliper will occur, and rotate the trackball to set the second cali-
per; after the measurement is completed, the measurement results
will be displayed in the Measurement result table.
Select Acceleration and switch to the corresponding measurement.
Roll the trackball and press Set key on the control panel to set the
caliper on the starting point.
Roll the trackball to put the caliper on the end point, and press Set
key on the control panel.
The measurement results will be displayed in the Measurement re-
sult table.
Portable Ultrasound Diagnostic Scanner User Manual
Measurement