5-8 Image Optimization
5.3.2 M Mode Image Parameters
îš„ In M mode scanning, the image parameter area in the upper left corner of the screen
displays the real-time parameter values as follows:
Parameter F D G V DR
Meaning Frequency Depth M Gain M velocity M Dynamic Range
îš„ During M mode imaging, menus for B mode and M mode are displayed at the same
time. You can switch between the 2 modes through the soft menu of image
parameter menu.
îš„ During M mode scanning, frequency and acoustic power of the probe are
synchronous with that of B mode.
îš„ Adjustment of the depth, focus position or TGC to the B mode image will lead to
synchronous changes in M mode image.
5.3.3 M Mode Image Optimization
Gain
Description To adjust the gain of M mode image. The real-time gain value is displayed
in the image parameter area in the upper left corner of the screen.
Operation Rotate the <M> knob clockwise to increase the gain, and anticlockwise to
decrease.
Or adjust it in the image parameter area.
The adjusting range is 0-100.
Effects Increasing the gain will brighten the image and you can see more received
signals. However, noise may also be increased.
Focus Position
Description
To change the focus position in M mode, symbols as "
" of which are
displayed on the right of the image.
Operation Adjust the focus position through the [Focus Position] item in the soft
menu.
Display Format
Description To set the display format of M mode image with B mode image.
Operation Adjust through the [Display Format] item in the soft menu.
There are 5 formats available for image display: H2:3, V2:3, V3:2, V3:1, M
full.
Effects Adjust according to the actual situation and obtain a desired analysis
through comparison.
Impacts The function is available in real-time imaging, freeze or cine review status.
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