Mindray DC-3

Image Modes
10-17
Speed
z Click [Speed] in the menu.
z Select [Speed] value.
Acoustic Power
The acoustic power refers to ultrasound power transmitted from the transducer. You
should perform exams according to actual situation and ALARA Principle.
z Click [A. Power] item in the menu to select among percentages.
z The AP value is also displayed at the top of the screen.
Auto Trace
Auto trace is to set V Max and V Mean in the menu.
 Threshold
1) The [Threshold] setting is only valid for the maximum flow selection.
2) Click [Threshold] item in the menu.
3) Change the value to increase or decrease Doppler threshold sensitivity.
 Trace Area
This feature is used to trace Doppler spectral flow,
1) To trace the area above baseline, set Trace Area Top;
2) To trace the area below baseline, set Trace Area Bottom;
3) To trace the area above and below baseline, set Trace Area All.
 Trace Smooth
1) Click [Trace Smooth] item in the menu.
2) Select among 1 through 4.
3) Select [Off] to turn it off.
Auto Calc Parameter (Auto Spectrum Calculation)
The Auto Spectrum Calculation feature is used to calculate PS, ED, RI and PI for Doppler
waveform. You can use it on the real time image, frozen image or cine image.
1. Click [Auto Calc] to turn on the auto spectrum calculation;
2. Click [Auto Spectrum Calculation] to check the parameters for auto calculation in
the screen;
3. Click [Caliper] key to perform measurements;
4. The results of auto spectrum calculation are displayed in the result window.
Note:
1) The result of auto calculation always displays at the top line of the result
window, and will not disappear after new measurement calipers are added.
2) In the real time status, the result displayed is always from the latest cardiac
cycle.
3) In the freeze and cine status, the result displayed is from the region
measured.
5. To delete the result, click [Auto Calc] to turn off the auto calculation.