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Measurement
Caliper Type
The caliper is a measuring mark used to indicate the starting point and the
end point. Some caliper groups need multiple measurements to calculate a
value. A group of measured data will use the same caliper number for mark-
ing, and an image can display at most eight calipers. The mark will also be
displayed in the Measurement result table; different measuring methods
will have different calipers displayed on the image, which can be distin-
guished by referring to the following table.
Table 7-51: The Caliper Type
Caliper type
Default Measurement Methods and Units
In different imaging modes, there are different default measuring methods.
Please refer to relevant chapters of "Meas/Text Preset" for the system default
imaging measurement methods.
Some general measurements have more than one measuring method, for
example, the area method include elliptical method and tracing method;
please see relevant chapters of "Meas/Text Preset" for its default settings.
When the system is measuring different General measurement items, the
measurement units are also different; please see of "Meas/Text Preset" for
their default units; you can change the unit settings if necessary.
The users can set the default measuring method and unit in the Preset ac-
cording to their preferences:
STEP 1
Rev 1.00
Use the soft menu to select the measurements of the corresponding
general items.
Description
To indicate the starting point
and end point of each pair of
marks
To draw the starting position
for a vertical dotted line,
capable of marking the hori-
zontal position or spacing
To indicate the vertical and
horizontal positions.
Press Config/Dialog key on the control panel ->Click Meas/Text on
the bottom of the screen ->Click Meas Property and General Meas
Chapter 7 - System Operation
Mode
B mode: distance, tracing
length, area, angle, volume,
stenosis rate, A/B ratio
M mode: time, HR PW mode:
time, HR, PI (automatic), PI
(manual), flow
PW mode: velocity, resis-
tance index, acceleration,
velocity ratio M mode: dis-
tance, slope, A/B ratio
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