GE MEDICAL SYSTEMS 
D
IRECTION 2392751-100, REVISION 3VIVID™ 4 SERVICE MANUAL
10-8 Section 10-3 - Periodic Maintenance Schedule
10-5-2 Functional Checks
The functional checks take approximately 60 minutes to perform. Refer to the Vivid™ 4 User Manual 
whenever necessary.
NOTE: Refer to Chapter 4 - Functional Checks, for additional details about the functional checks described in 
this section.
10-5-2-1 System Checks
 
Table 10-5    System Functional Checks
Step Item Description
1
2D-Mode
Verify basic 2D-Mode operation. 
Check the basic system controls that affect this mode of operation.
2
CF-Mode
Verify basic CF-Mode (Color Flow Mode) operation. 
Check the basic system controls that affect this mode of operation.
3
Doppler Modes
Verify basic Doppler operation (PW and CW if available). 
Check the basic system controls that affect this mode of operation.
4
M-Mode
Verify basic M-Mode operation. 
Check the basic system controls that affect this mode of operation.
5
Applicable Software 
Options
a
a. Some software may be considered as standard, depending upon system model configuration
Verify the basic operation of all optional modes such as Multi-Image, 3D, Contrast, 
Harmonics, Cine, Stress Echo,... etc. 
Check the basic system controls that affect each options operation.
6
Probe Elements
Perform an Element Test on each probe to verify that all the probe elements and system 
channels are functional.
7
System Diagnostics
Perform the Automatic Test to verify that all boards are functioning according to 
specifications.
8
Keyboard Test
Perform the Keyboard Test Procedure (external and alphanumeric) to verify that all 
keyboard controls are OK. 
9
Monitor
Verify basic Monitor display functions. 
Refer to Chapter 3 of the Vivid™ 4 User Manual.
10
Measurements
Scan a gray scale phantom and use the measurement controls to verify distance and area 
calculation accuracy. 
Refer to Chapter 18 of the Vivid™ 4 User Manual, for measurement accuracy 
specifications.