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3 S y s t e m C o n t r o l s
Doppler LCD Selections
When Doppler is active, you can access the related LCD selections by
rotating the FUNCTION SELECT control on the LCD panel to highlight the
D tab on the LCD.
LCD Selection
Full D
Filter
Color
Sweep Speed
Trace Mode
Trace Mean
Trace Min
Trace Max
HPRF
2D Update
Reject
Audio Balance
Pre Process
Post Process
Scale
3 - 4 0
Description
Activates a full-screen format for Doppler spectrum.
Sets the cutoff frequency for the Wall Filter.
Colorizes a Doppler spectrum.
Adjusts the scrolling speed of the Doppler spectrum.
During pulsed Doppler, displays a blue graphical trace
that tracks Mode velocities or frequencies of
the spectrum.
During pulsed Doppler, displays a yellow graphical trace
that tracks Mean velocities or frequencies of
the spectrum.
During pulsed Doppler, displays a red graphical trace
that tracks Minimum velocities or frequencies of
the spectrum.
During pulsed Doppler, displays a white graphical trace
that tracks Maximum velocities or frequencies of
the spectrum.
Activates a High Pulse Repetition Frequency (PRF).
(Pulsed Doppler)
Selects how many seconds the 2D-mode image is
updated during the image refresh of the Update function
with the Doppler spectrum.
Decreases or increases the level of gray shades
eliminated from the image.
Shifts the Doppler volume balance to the right or left.
Selects a curve for enhancing the Doppler spectrum.
Changes the gray scale of the spectrum.
Selects a scale for use with Doppler.
Settings
On, Off
0, 1, 2, 3, 4, 5 or 6
Off, Sepia, Mag, Temp,
or Bow
2sec, 4sec, 8sec,
or 16sec
Full (trace above and
below baseline), Up (trace
above baseline), or Off
Full (trace above and
below baseline), Up (trace
above baseline), or Off
Full (trace above and
below baseline), Up (trace
above baseline), or Off
Full (trace above and
below baseline), Up (trace
above baseline), or Off
On, Off
Off, 1sec, 2sec, 3sec,
or 4sec
0 to 64 in increments of 2
-8 to 8 in increments of 1
0, 1, 2, or 3
0, 1, 2, 3, 4, 5, 6, or 7
Freq (frequency scale
only), Vel (velocity scale
only), or F/V (velocity and
frequency scale)
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