Quality Assurance
LOGIQ V2/LOGIQ V1 – User Guide 3-59
Direction 5610736-100 Rev. 9
System Setup
The user should tailor the tests to their particular needs. It is
certainly not necessary to make all checks with all probes. A
representative example, with the probes used most often by the
customer, should be adequate in judging system performance
trends.
Use a gray scale phantom as the scan object for the tests.
Commercial phantoms are supplied with its own operator
manual. Be familiar with proper phantom operating procedures
prior to use for quality assurance evaluations.
1. Adjust image monitor. Brightness and contrast should be set
to the normal viewing of a good gray scale image.
2. Check all recording devices for proper duplication of image
monitor. Ensure that what is seen is what is recorded.
3. Annotate non-displayed image processing controls.
4. Set TGC slide pots to center (detent) position.
5. Place focal zone marker(s) in area of interest for an
optimum image.
Test Procedures
The following are recommended Quality Assurance tests. A brief
description of the test, the benefit it provides and steps to
accomplish the test are supplied. The importance of recording
scan parameters and consistent record keeping cannot be
stressed enough. Reproducibility to monitor system trends is the
key to quality assurance evaluations. Using the system's dual
image display format is often very convenient and saves
recording media.
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