GE Vivid 7 Service Manual

GE HEALTHCARE
DIRECTION FC091194, REVISION 11    VIVID 7 SERVICE MANUAL 
Chapter 4 - Functional Checks 4 - 37
4-3-6-6 2D Soft Menu Controls
  
4-3-6-7 Check Compress, Contour, Reject and Tilt 
   
Table 4-9    4-way rocker used for Soft Menu control
KEYDESCRIPTION
A 4-way rocker (4-way multi direction switch) used to;
- access mode-specific menus on the screen.
- select a menu option.
- adjust option-related values.
When using the Rocker;
- the vertical arrows are used to select the menu options.
- the...

GE HEALTHCARE
DIRECTION FC091194, REVISION 11    VIVID 7 SERVICE MANUAL 
4 - 38 Section 4-3 - Functional Checks
4-3-6-8 Check DDP, Diff, Power and Dynamic Range
     
Table 4-11    2D Mode: Check DDP, Diff, Power and Dynamic Range
StepTaskExpected Result(s)
1. Use the vertical arrows to select DDP (Data 
Dependent Processing).
Use the horizontal arrows to adjust DDP. Performs temporal processing which reduces random 
noise without affecting the motion of significant tissue 
structures. 
An index number...

GE HEALTHCARE
DIRECTION FC091194, REVISION 11    VIVID 7 SERVICE MANUAL 
Chapter 4 - Functional Checks 4 - 39
4-3-7 M Mode Checks
4-3-7-1 Introduction
4-3-7-2 Preparations Use a phantom when doing these tests.
1.) Connect one of the probes, to the  scanner’s left-most probe connector.
-See  3-6-5 Probe Connection on page 3-21  for info about connecting the probes.
-See  Section 9-26 Probes on page 9-80  for available probes.
2.) Turn ON the scanner. -See see  4-2-2 Power ON/ Boot UP on page 4-3  for...

GE HEALTHCARE
DIRECTION FC091194, REVISION 11    VIVID 7 SERVICE MANUAL 
4 - 40 Section 4-3 - Functional Checks
4-3-7-2      Preparations (cont’d) Figure 4-30   M Mode, Freeze and Cine Replay controls
Exit
Gain * Mode Dependant 
Keys
Horizontal Sweep*
Frequency
Focus
Contour
Up/Down
Color Maps
Soft menu
Compress
Reject
Dynamic Range
Power
Freeze
Controls marked with * are also 
available in freeze and cine replay
SteCurZoom
Alt. PW CW
TVI
2D MM
Color
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B al
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pd
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M e
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Act. Win
Act. Mode Img....

GE HEALTHCARE
DIRECTION FC091194, REVISION 11    VIVID 7 SERVICE MANUAL 
Chapter 4 - Functional Checks 4 - 41
4-3-7-3 Check Horizontal Sweep, Frequency, Focus and Contour 
    
Table 4-12    M-Mode: Check Horizontal Sweep, Frequency, Focus and Contour
StepTaskExpected Result(s)
1. Adjust  HORIZONTAL SWEEP 
Adjusts the horizontal refresh rate of the M-Mode area 
of the display.
Horizontal sweep does not  change the acquisition 
resolution, so you can change the horizontal sweep in 
replay without any...

GE HEALTHCARE
DIRECTION FC091194, REVISION 11    VIVID 7 SERVICE MANUAL 
4 - 42 Section 4-3 - Functional Checks
4-3-7-4 Check Compress, Reject, Power and Dynamic Range
 
Table 4-13    M-Mode Soft menu Controls check
StepTask Expected Result(s)
1. Adjust Compress  Controls the amount of contrast in the image.
An index number is displayed in the status window to 
indicate the relative level of compression.
2. Adjust Reject Adjust reject level.
When Reject is increased, low-level echoes are 
rejected and...

GE HEALTHCARE
DIRECTION FC091194, REVISION 11    VIVID 7 SERVICE MANUAL 
Chapter 4 - Functional Checks 4 - 43
4-3-8 Color Mode Checks
4-3-8-1 Introduction Color Flow screens is 2D or M Mode screens with  colors representing blood or tissue movement.
Color Flow may be selected both from 2D mode or from M mode or a combination of these.
4-3-8-2 Preparations Use a phantom when doing these tests.
1.) Connect one of the probes, to the  scanner’s left-most probe connector.
-See  Probe Connection on page 3-21...

GE HEALTHCARE
DIRECTION FC091194, REVISION 11    VIVID 7 SERVICE MANUAL 
4 - 44 Section 4-3 - Functional Checks
4-3-8-4      Color M Mode (cont’d) Figure 4-31   Color Flow Mode Controls
Exit
Depth
Gain * Mode Dependant Keys
Horiz. sweep (Color M-Mode only) 
*
Scale
Baseline  *
LVR
Invert  *
Variance  *
Color maps  *
Simultaneous (Color 2D only)
Angio (Color 2D only)
Cineloop (in Freeze, Color 2D mode only)
Soft menu
Sample Volume
Tissue Priority *
DDP (Color 2D only)  *
Frequency
Frame rate
Radial avg....

GE HEALTHCARE
DIRECTION FC091194, REVISION 11    VIVID 7 SERVICE MANUAL 
Chapter 4 - Functional Checks 4 - 45
4-3-8-5 Check Horizontal Sweep, PRF, Baseline, LVR and Invert
 
Table 4-14    Color Flow Mode Controls Check
StepTask Expected Result(s)
1. Adjust Horizontal Sweep (Color M-Mode only)  Adjusts the horizontal refresh rate of the M-Mode area 
of the display.
2. Adjust Baseline  Adjusts the color map to emphasize flow either toward 
or away from the probe. 
Baseline is available in both Live and...

GE HEALTHCARE
DIRECTION FC091194, REVISION 11    VIVID 7 SERVICE MANUAL 
4 - 46 Section 4-3 - Functional Checks
4-3-8-6 Check Variance, Color Maps and Cineloop
 
Table 4-15    Color Flow Mode: Check Variance, Color Maps and Cineloop
StepTask Expected Result(s)
6. Adjust Variance Controls the amount of variance data added to a color 
display. 
Variance enables computer-aided detection of non-
luminary flow (e.g. jets or regurgitation). 
Variance is available in live and cine replay.
7. Select Color Maps...