GE Vivid 7 Service Manual

GE HEALTHCARE
DIRECTION FC091194, REVISION 11    VIVID 7 SERVICE MANUAL 
Chapter 4 - Functional Checks 4 - 27
4-2-13 Moving and Transpor ting the Vivid 7 (cont’d)
• Place the probes in their carrying case.
• Lock Operator Panel (Control Console) in place.
The Operator Panel (Control Console) must be locked  into the center (x/y) position as indicated on 
the label on the Front Handle, before transporting the system.
• Eject any Magneto Optical disk, CD or DVD from their drive.
• Secure the unit in an...

GE HEALTHCARE
DIRECTION FC091194, REVISION 11    VIVID 7 SERVICE MANUAL 
4 - 28 Section 4-3 - Functional Checks
Section 4-3
Functional Checks
4-3-1 Overview
The intention with this section is to keep all functional checks together in one place. 
4-3-2 Contents in this Section
4-3-3 Preparation
Turn on power to Vivid 7, see  4-2-2 - Power ON/ Boot UP on page 4-3.
Table 4-5    Functional Checks overview
SUBSECTIONDESCRIPTIONPAGE NUMBER
4-3-1
Overview 4-28
4-3-2 Contents in this Section 4-28
4-3-3...

GE HEALTHCARE
DIRECTION FC091194, REVISION 11    VIVID 7 SERVICE MANUAL 
Chapter 4 - Functional Checks 4 - 29
4-3-4 Basic Controls
4-3-4-1 Introduction  Most of the mode dependant controls can be foun d as Mode Dependant Keys (Mode Dependant Rotary 
Knobs and Mode Dependant Push Buttons) and Trackball. The functions available on the Mode 
Dependant Keys and Trackball vary according to the  scan mode and position that is currently active.
4-3-4-2 Mode Dependant Rotary Knobs Vivid 7 has four mode...

GE HEALTHCARE
DIRECTION FC091194, REVISION 11    VIVID 7 SERVICE MANUAL 
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4-3-4-5 Soft Menu Control (4-way Rocker) The 4-way Rocker works together with the Soft menu on the screen.
• The vertical arrows (up/down) are used  to do selections from the Soft Menu.
• The horizontal arrows (left/right) are used  to do adjustments on the selected function.
4-3-4-6 Trackball Area Different functions can be assigned to the trackball  depending of the current active mode. The...

GE HEALTHCARE
DIRECTION FC091194, REVISION 11    VIVID 7 SERVICE MANUAL 
Chapter 4 - Functional Checks 4 - 31
4-3-5 Performance Tests
4-3-5-1 Recommended Test Phantoms GE Healthcare recommends the RMI 430GS phantom. It  is the most current phantom recommended to 
our field service personnel and provides the necessary targets and extended life necessary for 
consistent system testing.
Figure 4-26   Performance tests
2
432 1
4
6
8
10
12
14
16
RMI 403GS
Lateral DistanceMeasurement
Functional
Resolution...

GE HEALTHCARE
DIRECTION FC091194, REVISION 11    VIVID 7 SERVICE MANUAL 
4 - 32 Section 4-3 - Functional Checks
4-3-6 2D Mode (B mode) Checks
4-3-6-1 Introduction The 2D Mode is the system’s default mode.
4-3-6-2 Preparations Use a phantom when doing these tests.
1.) Connect one of the probes, to the scanner’s left-most active probe connector. -See  Probe Connection on page 3-21  for info about connecting the probes.
- See section  Section 9-26 Probes on page 9-80  for available probes.
2.) Turn ON the...

GE HEALTHCARE
DIRECTION FC091194, REVISION 11    VIVID 7 SERVICE MANUAL 
Chapter 4 - Functional Checks 4 - 33
4-3-6-2      Preparations (cont’d) 4.) Press 2D on the Operator Panel to access 2D Mode.
5.) These Image Controls are used  to optimize the 2D picture:
-Use  Gain and  TGC controls to optimize the ov erall image together with the  Power control.
-Use  Depth to adjust the range to be imaged.
-Use  Focus to center the focal point(s) around the region of interest.
-Use  Frequency  (move to higher...

GE HEALTHCARE
DIRECTION FC091194, REVISION 11    VIVID 7 SERVICE MANUAL 
4 - 34 Section 4-3 - Functional Checks
4-3-6-3 Check Width, Focus, Framerate, Frequency These 2D Mode Functions are located on Mode Dependant Rotaries. 
The results of these adjustments must be verified on the 2D sector on the screen. 
  Table 4-6    2D Mode: Check Width, Focus, Framerate and Frequency
StepTaskExpected Result
1.Turn the rotary labeled  WIDTH left and right.
Controls the size or angular width of the 2D image...

GE HEALTHCARE
DIRECTION FC091194, REVISION 11    VIVID 7 SERVICE MANUAL 
Chapter 4 - Functional Checks 4 - 35
4-3-6-4 Check Up/Down, Left/Right, B Color Maps and Cineloop  These 2D Mode Functions are located on Mode Dependant Keys (Push Buttons) 
The results of these adjustments must be verified on the 2D sector on the screen. 
 
Table 4-7    2D Mode: Check Up/Down,  Left/Right, B Color Maps and Cineloop
StepTaskExpected Result
1. Press once on the Mode Dependant button labeled  UP/DOWN 
Enables the 2D...

GE HEALTHCARE
DIRECTION FC091194, REVISION 11    VIVID 7 SERVICE MANUAL 
4 - 36 Section 4-3 - Functional Checks
4-3-6-5 Check Gain, TGC and Depth 
 
Table 4-8    2D Mode: Check Gain, TGC and Depth in 2D Mode
StepTaskExpected Result
1. Adjust  TISSUE GAIN
Increases the overall gain equally for all depth when 
rotated clockwise
2. Adjust Time Gain Compensation (TGC) Compensates for depth-related attenuation in an 
image. 
The upper sliders affect the near field.
The lower sliders (nearest the operator)...