GE Vivid 7 Service Manual

							
GE HEALTHCARE
DIRECTION FC091194, REVISION 11    VIVID 7 SERVICE MANUAL 
Chapter 4 - Functional Checks 4 - 67
4-3-16 Probe/Connectors Check
NOTE: Probes can be connected at any time, whether the unit is ON or OFF
  
CAUTIONTake the following precautions with the probe cables: 
- Keep away from the wheels
- Do not bend
- Do not cross cables between probes 
Table 4-31     Probe and Connectors Checks
StepTaskExpected Result(s)
1. Press Probe on  the Operator Panel. A list of the connected probes will pop up on the screen.
2. If not already selected. use the trackball to select the 
desired probe. An application menu for the desired probe is listed on 
the screen.
3. Trackball to the desired application
Press Select  to launch the application.
To change application without changing the current 
probe, press  Appl. on the Operator Panel. The selected application starts.
4.Verify no missing channelsAll channels is functioning.
5.Verify theres no EMI/RFI or
 artifacts specific to the 
probe.No EMI/RFI or artifacts.
6.Test the probe in each active connector slot., see  3-6-5 
Probe Connection on page 3-21It will display pictorial data each time
7. Do a leakage test on the probe, see  Section 10-7 
Electrical Safety Tests on page 10-12 It passes the test.
8. Repeat this procedure for all available probes. 
						

							
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DIRECTION FC091194, REVISION 11    VIVID 7 SERVICE MANUAL 
4 - 68 Section 4-3 - Functional Checks
4-3-17 ECG Check
4-3-17-1 Introduction The ECG capability on this unit, is  intended as use as a trigger for measurements, but can also be 
viewed on the screen.
4-3-17-2 Parts needed • ECG Harness, P/N:16L0026 + P/N:16L0028
• ECG Pads, (3 pc) 
or
• ECG simulator
4-3-17-3 Preparations None
4-3-17-4 ECG Check
  
Table 4-32     ECG Check
StepTaskExpected Result(s)
1. Connect the ECG harness to the connector on the front 
of the system The unit displays a straight curve along the bottom 
edge of the image sector on the screen.
2. Connect the three leads to a ECG simulator, 
or 
Fasten the three ECG Pads to your body and connect 
the three leads to respective ECG Pad - When connecting, the signal on the screen will be 
noisy
- When the connection is completed, a typical clean 
ECG signal is displayed. 
						

							
GE HEALTHCARE
DIRECTION FC091194, REVISION 11    VIVID 7 SERVICE MANUAL 
Chapter 4 - Functional Checks 4 - 69
4-3-18 Cineloop Check
4-3-18-1 Introduction A cineloop is a sequence of images recorded over a  certain time frame. When using ECG the time frame 
can be adjusted to cover one or more heart cycles. When frozen the System automatically displays the 
cineloop boundary markers on either side  of the last detected heart cycle (Figure 4-36).
4-3-18-2 Preparation 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  4-2-2 Power ON/ Boot UP on page 4-3  for info about booting the scanner.
The 2D Mode window is displayed (default mode).
3.) Press  Freeze to freeze the image.
4.) Press the Mode Dependant button  Cineloop.
Figure 4-36   The Cineloop controls display 
Left marker
Right marker
Current frame
Cine speed
(replay)
Loop displayECG 
						

							
GE HEALTHCARE
DIRECTION FC091194, REVISION 11    VIVID 7 SERVICE MANUAL 
4 - 70 Section 4-3 - Functional Checks
4-3-18-2      Preparation (cont’d) Figure 4-37   Cineloop controls
OffOff/OnO n
Mode Dependant 
Keys
Left marker
Right marker
Cycle select
Number of cycles
First Cycle
Last Cycle
Sync
Cineloop
Select all
Trackball
Scroll (in freeze)
Cine speed (in replay)
Freeze
Image Store
Start/stop cineloop 
						

							
GE HEALTHCARE
DIRECTION FC091194, REVISION 11    VIVID 7 SERVICE MANUAL 
Chapter 4 - Functional Checks 4 - 71
4-3-18-3 Check Left Marker, Right Marker, Cycle Select and Number of Cycles
  
Table 4-33    Cineloop Controls Checks
StepTaskExpected Result(s)
1. Adjust  LEFT MARKER and 
RIGHT MARKER
Moves the Left and Right Markers to expand or trim the 
cineloop boundaries. 
2. Adjust  CYCLE SELECT
Moves the cineloop boundaries from heart cycle to 
heart cycle.
3. Adjust  NUMBER OF CYCLE
Increase or decrease the number of heart cycles to be 
included in the cineloop. 
						

							
GE HEALTHCARE
DIRECTION FC091194, REVISION 11    VIVID 7 SERVICE MANUAL 
4 - 72 Section 4-3 - Functional Checks
4-3-18-4 Check First, Last Cycle, Sync and Select all
   
4-3-18-5 Adjust Scroll and Cine Speed
    
Table 4-34    Cineloop Controls Checks
StepTaskExpected Result(s)
1. Press  FIRST and LAST CYCLE 
Select either the first or the last heart cycle.
2. Press  SYNC
 
Phase synchronize multiple loops.
3. Press  SELECT ALL
Moves the cineloop boundaries to include all heart 
cycles.
Table 4-35    Cineloop Controls Checks
StepTaskExpected Result(s)
1. Adjust Scroll (in Frozen mode):
Press  TRACKBALL
 until the Scroll trackball mode 
dependant button is selected.
Use the Trackball. 
Move the current frame marker and review images. 
2. Adjust Cine Speed (in Cine Replay mode): Press FREEZE
 to freeze the image.
Press  CINELOOP
.
Roll the Trackball to the left.
Roll the Trackball to the right.
Step : the cine speed is decreased.
Step : the cine speed is increased. 
						

							
GE HEALTHCARE
DIRECTION FC091194, REVISION 11    VIVID 7 SERVICE MANUAL 
Chapter 4 - Functional Checks 4 - 73
4-3-19 Back-End Processor Checks
• If all the previous tests have been passed succe ssfully, the Back-End Processor is most likely OK.
• If the system seems to be operat ing erratically, please refer to Chapter 7 - Diagnostics/
Troubleshooting .
Figure 4-38   The Test pane 
						

							
GE HEALTHCARE
DIRECTION FC091194, REVISION 11    VIVID 7 SERVICE MANUAL 
4 - 74 Section 4-3 - Functional Checks
4-3-20 Peripheral Checks
4-3-20-1 Video Printers Checks There may be both a black & white video printer and a color video printer on-board the system. 
The Video Printers are controlled from the  PRINT
 and ALT. keys on the scanner’s Operator Panel. The 
factory default is  PRINT
 for the B/W Video Printer and  ALT. for the Color Video Printer.
  
4-3-20-2 DVR Checks Please see chapter 5 in the Vivid 7 Peripherals Inst allation Manual, Part Number: FC294048 revision 3 
(or newer). Figure 4-39   Freeze, Print 1 and Print 2 keys on the Operator Panel 
Table 4-36    Video Printer(s) Checks
StepTask Expected Result(s)
1. When scanning in 2D Color Mode, Press   FREEZE to 
stop image acquisition. Image scanning stops with the last picture on the 
screen.
2. Press PRINT
 on the Operator Panel  The image displayed on the screen is printed on B&W 
or Color printer, depending on the key assignment 
configuration.
3. Press ALT
. on the Operator Panel  The image displayed on the screen is printed on Color 
or B&W printer, depending on the key assignment 
configuration
4.Check if the print quality on the pictures both from the 
printers are of expected quality.
PRINT key
ALT. key
FREEZE key 
						

							
GE HEALTHCARE
DIRECTION FC091194, REVISION 11    VIVID 7 SERVICE MANUAL 
Chapter 4 - Functional Checks 4 - 75
4-3-20-3 VCR Checks
4-3-20-4 VCR Counter Check  When adding new examinations to a Video cassette, you can set the VCR Counter without rewinding 
the Video Cassette to the start. The procedure below explains how to check this function.
Prerequisite:
The VCR Counter number when the Video Cassette was Ejected last time. Figure 4-40   VCR Controls on the Operator Panel 
Table 4-37    VCR Counter Check
StepTask Expected Result(s)
1. Insert the Video cassette in the VCR
2. Press VIDEO
 on the Operator Panel. To start the video counter at a different point:
3. Press UPDATE MENU
 in the Trackball area. The 
Video Set Counter / Search Dialog window  is 
displayed
4.Use the  alphanumeric keyboard  to enter the counter 
number (from last time) in the counter field.Number appears on the screen
5.Press  Set Counter  to save the change.Number is saved
6.Press VIDEO on the Operator Panel, to return to 
scanning mode.The system returns to the scanning mode
Mode Dependant 
Keys
Stop,
Pause,
Rewind 
Fast Forward
Record/Pause 
						

							
GE HEALTHCARE
DIRECTION FC091194, REVISION 11    VIVID 7 SERVICE MANUAL 
4 - 76 Section 4-3 - Functional Checks
4-3-20-5 VCR Record Check
  
4-3-20-6 Check Rewind, Fast Forward and Replay Video Prerequisite:
A Video Tape in the VCR with at least one recorded examination.
  
Table 4-38    VCR Checks
StepTask Expected Result(s)
1.When scanning, press  REC/PAUSE on the Operator 
Panel. The VCR starts recording.
A red dot is displayed in the screen’s VCR status area 
on the Title bar. It indicates that recording has begun
2. Press REC/PAUSE
 on the Operator Panel to stop 
recording. The Recording stops.
The video status icon on the screen is changed to   
(Pause)
3. Note the counter meter setting on the VCR .
Table 4-39    VCR Checks
StepTask Expected Result(s)
1.
Press VIDEO on the Operator Panel. The Mode Dependant Keys changes to VCR controls
2. Press REWIND
 (Mode Dependant button) The VCR starts to rewind the video tape.(observe the 
counter)
3. Press STOP
 (Mode Dependant button) The VCR Stops
4.Press FAST FORWARD (Mode Dependant button)The VCR starts the Fast Forward (observe the counter)
5.Use the controls above to navigate to the start of the 
recorded examination. 
Then press  PLAY
   (Mode Dependant button) to replay 
the recordingThe replay of the examination starts.
6.While in playback mode, use the  Trackball to adjust 
the video playback speed and scroll through the record.The replay of the examination responds according to 
your commands
7. Press PAUSE
 to stop the tape at the desired frame.  The tape stops at the desired video frame.
8.
When playing back an examination part of it can be stored on the computer’s memory as a 
cineloop.The cine loop enables 
the user to perform 
further operations on the stored section (see for further 
information on cine loop operation).
9. Press FREEZE
 while playing back a recorded session. To store a recorded sequence as a cine loop The
 
last few seconds are stored as a cine loop.