User Maintenance
6-24 Venue 50 – Basic User Manual
Direction 5446729-100 English
Rev. 7
Results
Lack of standardization among test instruments, the wide range
of acceptance criteria, and incomplete knowledge regarding the
significance of certain performance parameters prohibit the
establishment of absolute performance criteria for these tests.
Quality Assurance Evaluation results should be compared to
previously-recorded results.
Performance trends can then be detected. Unacceptable
performance or diminishing trends should be identified for
maintenance or repair before a malfunction or inappropriate
diagnosis occurs.
The operator should determine the best method for recording
and archiving the baseline and periodic checks. In most cases
the choice is hard copy.
It is important to maintain good consistent records for
inspections that may arise, as well as to detect system
performance trends.
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