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General Procedures and Functional Checks
M Mode Checks
M-Mode Screen Example
Preparations
Adjust the M Mode controls
4-28
•
Connect one of the probes to the scanner's left-most probe
connector.
•
Turn ON the scanner.
The 2D Mode window is displayed (default mode).
•
Press M on the Operator panel to bring up an M-Mode
picture on the screen.
Use the trackball to position the cursor over the required
area of the image.
These Image Controls are used to optimize the M mode picture.
Verify that all the listed controls are working as intended:
•
Adjust Horizontal sweep to optimize the display resolution.
Adjust Gain and TGC controls to adjust the range to be
imaged.
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 grey scale.
Adjust Compress and Edge Enhance to further optimize
the display.
Adjust Reject to reduce noise while taking care not to
eliminate significant low-level diagnostic information.
LOGIQ V2/LOGIQ V1 – Basic Service Manual
5610739-100 English Rev.10
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