6 Acquiring Images
92 Basic User Manual
■ Sweep Speed
Sweep speed is used to set the sweep speed of the Doppler trace. The refresh speeds of the
time scale and the frequency scale vary with the sweep speed.
To adjust the sweep speed:
1. Press the function key to select Sweep Speed.
2. Rotate the function key to adjust the value.
■ Power
Power is used to select the amount of ultrasound acoustic power produced by the probe.
The adjustment range of the power is 1%-100%, and ±5% can be adjusted each time.
To adjust the power:
1. Press the function key to select Power.
2. Rotate the function key to adjust the value.
NOTE:
Expose the patient to the lowest practical transmit power level for the shortest possible
time to achieve a satisfactory diagnosis.
■ Angle Correction
Angle correction is used to adjust the angle of the flow cursor in the PW mode.
To set the angle correction:
●
Rotate the Angle key on the control panel to adjust the settings.
●
Rotate the function key corresponding to Quick Angle to adjust the settings.
NOTE:
You only need to set it when performing measurement related to velocity.
■ Invert
Invert is used to view the flow velocity from a different perspective.
To enable or disable the flow invert:
1. Press the function key to select Invert.
2. Rotate the function key to enable or disable the feature
■ Steer
Steer can be adjusted to change the angle of the spectrum Doppler line when performing a
real time mode by using the linear probes.
To adjust the steer:
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