Full Digital Ultrasonic Diagnostic Instruments
User’s Manual V1.00
- 22 -
Chapter Ten
B General Measurement
In B, B/B, 4B mode, press
『
Measure
』
key to enter
【
B Meas
】
menu. B general measurement menu
is shown as follows:
Fig. B general measurement menu
10.1 Distance measurement
Function: measure the distance between two dots.
Operation steps:
1. Choose the valuable image in B, B/B or 4B mode;
2. Press
『
Measure
』
key, the cursor will show “+”;
3. Operate the trackball or the direction keys to move the “+” mark to the desired position, press
『
Set
』
key, make the “+” position as the starting point to be measured;
4. Operate the trackball or the direction keys to move the “+” mark to the end point of the
measurement, at the same time a lighted dotted line appears between two measurement marks
as the locus of the measurement, the measured value will be automatically shown at the right
hand of the screen;
5. Press
『
Measure
』
key to exchange the starting point and the end point;
6. Press
『
Set
』
key to finish the first time measurement;
7. Repeat the steps from 3 to 6 to complete multi-group data measurement;
8. Press
『
Measure
』
key to exit the measurement.
10.2 Circumference/area measurement
Three kinds of operation methods
A. Trace measurement
Function: Measure the circumference/area of a confined area with the trace method.
1. Choose a valuable image in B, B/B or 4B mode;
2. Press
『
Measure
』
key, the cursor will show “+”, move the cursor to the
〖
Trace
〗
of
〖
Cir/Area
〗
submenu of
【
B Meas
】
, press
『
Set
』
key;
3. Operate the trackball or the direction keys to move the “+” mark to the desired position, press
Attention:
The accuracy of software measurement: distance measurement ≤0.1mm;
area measurement ≤ 0.1mm
2
; volume measurement ≤ 0.1mm
3
; heart rate measurement
≤ 1bpm; time measurement ≤ 1ms. Due to differences in images obtained by each user
in different times, the actual object for the accuracy of the measurement may be
greater than the above-mentioned values.