Service manual

GE MEDICAL SYSTEMS
D
IRECTION 2300749-100, REVISION 2LOGIQ
TM
3 SERVICE MANUAL
Chapter 4 4-17
4-4-3-3 M Mode Top and Sub menu Controls
Table 4-7 M Mode Top and Sub Menu Controls
Step Task Expected Result(s)
1
Rejection
Adjust rejection level. When this control is increased, low-level echoes are rejected and appear darker
in the M image. Use Paddle left/right key to adjust Rejection level. An index number is displayed in the
status window to indicate the relative level of rejection.
2
Sweep Speed
Changes the speed at which timeline is swept. Rotate Sweep Speed left/right to increase/decrease the
value.
3
Edge Enhance
Enhance the gray scale differences corresponding to the edges of structures. Press and Rotate Edge
Enhance left/right to cycle through the settings.
4
Gray Map
Displays a map window adjacent to the image. Rotate the Gray Map knob. The image reflects the map
as scrolled through the selections.
5
Power Output Adjust Power output level.
6
Colorize
Colorize the gray scale image to enhance the eyes’ discrimination capability. Press and Rotqte the
Colorize knob to select the appropriate color map.
7
Full Timeline Displays only timeline screen. Press the Full Time line to activate.
8
Display Format
Select the format to display B image and M image on the monitor. Rotate Display Format knob and
select from the Top Menu.
9
Dynamic Range
Enables control of the dynamic range or contrast of the image. When dynamic range is set high, the
image is softer and more low-level data is visible. Turn Dynamic Range rotation knob left/right to
increase/decrease the value.