Chison Q9 - 5.2.4 Fast measurement in PW mode; 5.2.5 Fast measurement in M mode

Q9 Digital Color Doppler Ultrasound System
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Peak
1) In PW Cine mode, press the Dist-key to bring up the sample marker.
2) Move the marker to the measurement start point with the Trackball, press Enter key, velocity and pressure of
the current point will appear on the screen automatically.
3) Go on to measure Vd, after getting the result, the system will calculate S/D, RI, heart rate automatically.
Automatic envelope measurement
1) In PW mode, press the Trace-key to enter automatic envelope measurement. The system will finish the
envelope of spectrum automatically. The cursor“+”will appear on the screen
2) Move the trackball to choose a start point of one cycle, press the Enter-key to confirm
3) The second cursor“+”will appear on the screen automatically, move the trackball to the end point of current
cycle, and press the ENTER-key to set.
4) The measurement result and the other calculated parameters will appear on the screen automatically.
5) If the spectrum automatic envelop is not accurate, rotate SK4 and reselect cycle to correct.
Manual envelope
1) In PW Cine mode, press the Trace-key to enter automatic envelope measurement.
2) Rotate SK2，choose “Manual envelope”.
3) Move the trackball to choose a start point of one cycle, press the Enter-key to confirm.
4) Move the trackball to trace the spectrum, press the ENTER-key to finish the envelope..
5) The measurement results and the other calculated results will appear on the screen automatically.
6) If the spectrum manual envelop is not accurate, rotate SK5 and restart to manual envelop.
5.2.5 Fast measurement in M mode
SK1-distance：M Distance，M Time, M Speed, Heart Rate, Distance Ratio
SK2-area：trace method，ellipse method, area ratio
SK3-Volume：1straight line，1ellipse，1 straight line 1 ellipse，2 straight line，2 ellipse，3 straight line
SK4-Font Size: Rotate to adjust the font size, Press to reset.
SK5-Result Position: Rotate to move result position, Press to reset
M Distance
1) In M mode, press the DIST-key to enter M distance measurement. The cursor“+”will appear on the screen.
2) Move the trackball to move the cursor, press ENTER-key to fix it.
3) One dotted line and second cursor will appear on the screen..
4) Move the cursor by moving the trackball to the end point in the dotted line vertically, press the Enter-key to
confirm.