GE LOGIQ e, Basic Service Manual

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Functional checks
LOGIQ e – Basic Service Manual 4-27
5461614-100 English Rev. 6
M Mode Checks (continued)
M Mode Softmenu Key
Table 4-4: M Mode Softmenu key
Step Task Expected Result(s) Comments
1 Adjust Rejection Selects a level below which echoes will not be
amplified (an echo must have a certain
minimum amplitude before it will be
processed).
2 Adjust Sweep Speed Changes the speed at which the time line is
swept. The following speed values are
available, 1, 2, 3, 4, 6, 8, 12, 16.
3 Adjust Edge
Enhance Edge Enhance brings out subtle tissue
differences and boundaries by enhancing the
gray scale differences corresponding to the
edges of structures. Adjustments to M Mode's
edge enhancement affects the M Mode only.
4 Activate Gray Map Determines how the echo intensity levels
received are presented as shades of gray.
6 Activate Colorize Enables gray scale image colorization. To
deactivate, reselect a Gray Map.
7 Activate Full
Timeline Displays only timeline screen. Press the Full
Timescreen to activate.
8 Select Display
Format Select the format to display B image and M
image on the LCD. Press Display Format, and
select from the pop up menu.
9 Adjust Dynamic
Range
(Compression) Dynamic Range controls how echo intensities
are converted to shades of gray, thereby
increasing the adjustable range of contrast.
10 Power output Optimizes image quality and allows user to
reduce beam intensity. 2% increments
between 0-100%. Values greater than 0.1 are
displayed.