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Y-axis: Indicates the position or depth of the tissue structure.
3.
Adjust the position of the M-line.
4.
Optimize the M mode image. For details, refer to Section 6.4.2 Optimzing the M Mode Image.
Press the Save
IP key to save the parameter settings in the M mode as the default settings.
5.
Press the M key again to exit the M mode.
6.4.2 Optimzing the M Mode Image
Methods for optimizing the M mode image are as follows.
Select the M mode parameter on the menu at the top left of the screen by using the trackball,
press the Set
key to adjust it. Press the Menu key to display/hide this menu.
Select the M mode parameter on the menu at the top left of the screen by using the Select knob,
press Select
knob chage state between
“
parameter item select state
”
and
“
parameter item adjust state
”
, rotate the knob
change parameter item for
“
parameter item select state
”
or paramter value for
“
parameter item adjust state
”
.
Press the Menu key to display/hide this menu.
Figure 6-8 Parameters Adjustment in the M Mode
6.4.2.1 Adjusting the Gain
M gain controls the overall brightness of the M trace.
Steps:
Rotate the Gain knob clockwise to increase the value.
Rotate the Gain knob anticlockwise to decrease the value.
6.4.2.2 Adjusting the Depth
Depth is used to adjust the distance over which the M mode image is anatomized.
Step:
Press the Depth key on the control panel to adjust the depth.
6.4.2.3 Adjusting the Sweep Speed
Sweep speed is used to set the sweep speed of the M trace. Faster speed is suitable to view the motion.
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.