Conversational voice test (Class 2 only)
Must be undertaken according to a recognised protocol. If the results are uncertain or unsatisfactory a pure tone audiometry is required.
Pure tone audiogram (Class 1 and 3)
Pure tone must be undertaken according to the periodic testing schedule. Testing must include the following frequencies as per CASR Part 67. Table 67.150 item 1.30.
Test frequencies: 500Hz, 1000Hz, 2000Hz, 3000Hz.