Image Optimization 5-21
HPRF
HPRF mode is used when detected velocities exceed the processing
capabilities of the currently selected PW Doppler scale, or when the selected
anatomical site is too deep for the selected PW Doppler scale.
Turn on or off the function through the [HPRF] item on the image menu.
HPRF enhances the range of detecting high-velocity flow.
Speed
This function is used to set the scanning speed of PW mode imaging.
Click the [Speed] item on the image menu.
There are 1-6 levels of scan speed available, the smaller the value the faster
the speed.
Effects
Changing the speed makes it easier to identify the cardiac cycles and to
detect more details.
Display Format
To set the display format of PW mode image with B mode image.
Click the [Display format] item on the image menu to adjust.
Options: V2:1, V1:2, V1:1, Full.
Audio
This function is used to adjust the output audio in spectrum map.
Click the <Audio> item on the image menu to adjust the volume.
The adjusting range of the audio is 0-100% in increments of 2.
Utilizing the output audio helps to identify the feature and status of flow.
Gray Map
This function applies the gray correction to obtain the optimum images.
Click the [Gray Map] item on the image menu.
There are 1-25 maps available.
Colorize and Colorize Map
Colorize function provides an imaging process based on color difference rather
than gray distinction.
Turn on or off the function through the [Colorize] item in the menu;
Select the colorize map through the [Colorize Map] item in the menu;
The adjusting range are off, and 1-25.
The function is available in real-time imaging, freeze or cine review status.
Duplex/ Triplex
This function is used to set if B image and PW image are displayed
synchronously.
Click [Duplex/ Triplex] on the image menu to turn on or off the synchronization.
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