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Industrial Screening Rules may vary from state to state. The default values are those for Victoria. When classifying audiograms HearAid uses these rules to determine the test outcome. Possible Test Outcomes are:

A - Outside Normal Limits at 4 kHz (Age Adjusted)

B - Significant Change at 3, 4 or 6 kHz compared to the last Baseline audiogram

C - Significant Change at other frequency compared to the last Baseline audiogram

D - Significant Loss at other frequency

N - Normal

•Enter -1 to ignore a frequency when testing results for normality or maximum change

•Enter 0 to ignore age adjustment