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6.5.2.4 Adjusting the Sample Volume
Used to adjusted the position and width of the sample valume gate,current SV value is displayed on the right
side image parameters area. Small sample valume gate can help get more accurate result,larger sample valume
gate expand the detection range.
Steps:
Move cursor to [SV] menu item and press Set key to adjust it.
Rotate Select knob to highlight the [SV] menu item, press Select knob item to confirmation select [SV]
item, and then Rotate Select knob to adjust it.
6.5.2.5 Adjusting the Angle
Angle is used to adjust the angle of the flow cursor.
Steps:
Move cursor to [Angle] menu item and press Set key to adjust it.
Rotate Select knob to highlight the [Angle] menu item, press Select knob item to confirmation select
[Angle] item, and then Rotate Select knob to adjust it.
6.5.2.6 Adjusting the Scan Speed
Time scale and the refresh speed of the spectrum vary with the scan speed.
Steps:
Move cursor to [Sweep Speed] menu item and press Set key to adjust it.
Rotate Select knob to highlight the [Sweep Speed] menu item, press Select knob item to confirmation
select [Sweep Speed] item, and then Rotate Select knob to adjust it.
6.5.2.7 Adjusting the Unit of Speed
It is used to select the unit of the flow speed.
Steps:
Move cursor to [Scale Unit] menu item and press Set key to adjust it.
Rotate Select knob to highlight the [Scale Unit] menu item, press Select knob item to confirmation
select [Scale Unit] item, and then Rotate Select knob to adjust it.
6.5.2.8 Enabling/Disabling the Spectrum Invert
Spectrum invert is used to view the flow velocity from a different perspective. The spectrum image
above the
baseline represents the flow movement to the probe and the spectrum image below the
baseline represents the
flow movement against the probe. If the spectrum invert is On, the spectrum
image above and below the baseline
are inverted.
Steps:
Move cursor to [Reverse] menu item and press Set key to enable or disable it.
Rotate Select knob to highlight the [Reverse] menu item, press Select knob item to confirmation select
[Reverse] item, and then Rotate Select knob to enable or disable it.
6.5.2.9 Adjusting the Steer
Steer angle is used to adjust the angle of the spectral Doppler line.
Steps:
Move cursor to [Steer] menu item and press Set key to adjust the angle of the spectral Doppler line.
Rotate Select knob to highlight the [Steer] menu item, press Select knob item to confirmation select
[Steer] item, and then Rotate Select knob to adjust the angle of the spectral Doppler line.
Press
“
Steer-
”
or
“
Steer+
”
key in keyboard to adjust the angle of the spectral Doppler line.