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Scanning Modes
M-Mode controls
M-Mode assignable controls
Horizontal sweep
Adjusts the horizontal refresh rate of the M-Mode area of the
display. Horizontal sweep does not change the acquisition
resolution, so that user can change the horizontal sweep in
replay (with no loss of quality).
Frequency/Resolution
On some low fre-
quencies, the sys-
Enables the adjustment of the probe's operating frequency.
tem switches
Rotate the knob clockwise to increase the frequency. The
automatically to
selected frequency is displayed in the status window. For some
second-harmonic
probes/applications the lowest frequency settings will be
mode. The word
"Octave" appears
Octave imaging settings.
in the status win-
dow.
Focus
Changes the location of the focal point(s). A triangular focus
marker indicates the depth of the focal point.
Contour
Controls image processing related to the extent of edge
enhancement applied to an image.
Up/Down
Flips the M-Mode display 180 degrees.
Layout
Toggles the display arrangement to define relative dimensions
of the 2D area, M-mode area, and their position which is either
top/bottom or side-by-side.
Color maps
Displays a color map menu to optimize the greyscale
presentation. The menu enables an option from a list of
non-linear gray-curves or different colorized curves to be
selected. Use the trackball to point to a color map and press
to activate the desired map.
SET
84
Vivid i User's Manual
2378958-100 Rev. 02
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