Interacoustics Affinity2.0 Quick Manuals page 42

4. Real Ear Aided Response (REAR) or Real Ear Aided Gain (REAG) – this is a measure which
involves the enabled/on hearing device being positioned on the ear with the ear-piece inserted
as per normal use and the probe microphone inserted. This allows measurement of the
hearing device's amplification effect within the patients' ear and includes the effect of the
patients ear acoustics. This measure can be run at varying intensities but it is recommended
that it is run at speech level (65dB) to ensure that the device is analyzed for the intensity that
it will normally be used for.
It is often during this measurement that adjustment to the Hearing Device Manufacturers software is
performed to help match a prescription target.
Item No. 8105087 – 12/2013
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