Scanning Modes
Vivid S5/Vivid S6 User Manual 155
R2424458-100 Rev. 2
The M-Mode area of
the display updates
as the M-Mode sig-
nal is constructed.
8. Press TRACKBALL to activate scrolling control on the
trackball.
9. Use the trackball to scroll through the data acquired at that
location. The M-Mode display will vary accordingly.
Curved Anatomical M-Mode
Curved Anatomi-
cal M-Mode can al-
so be used with
previously ac-
quired digitally
stored 2D images.
1. From the 2D or M-Mode view press ALT.
The alternative modes appear on the assignable display.
2. Press
CURVED AMM.
3. Use the trackball to position the starting point of the time
motion curve.
The time motion
curve can be edited
by following the
curve back to the de-
sired point and re-
drawn as desired.
Following the curve
back to the starting
point will delete the
time motion curve.
4. Press SET to anchor the starting point of the time motion
curve.
5. Use the trackball to position the second point of the time
motion curve.
6. Press
SET to anchor the second point of the time motion
curve.
7. Repeat step 5. and 6. up to seven times to draw a complete
time motion curve.
Optimizing M-Mode
Refer to page 593
about creating pre-
sets.
The use of preset gives optimum performance with minimum
adjustment. If necessary, the following controls can be adjusted
to further optimize the M-Mode display:
• Adjust Horizontal sweep to optimize the display resolution.
• Adjust Gain and TGC controls to adjust the range to be
imaged.
Except for Con-
tour, all the con-
trols listed in the
optimizing
M-Mode section
will also affect the
2D image.
• Use the Frequency (move to higher frequencies) or the
Frame rate control (move to lower frame rate) to increase
resolution in image.
• Use the Frequency (move to lower frequency) to
increase penetration.
• Adjust Focus to move the focal point(s) around the region
of interest in the M-Mode display.
• Adjust Dynamic range to optimize the useful range of
incoming echoes to the available greyscale.
• Adjust Compress and Contour to further optimize the
display.
• Adjust Reject to reduce noise while taking care not to