Phonak SafetyMeter Gebrauchsanweisung Seite 19

6 "Attenuation control" mode
The protection status for Right and Left ears
the protection is valid
The noise reduction level – in dB – of each ear shell is provided for information
The Personal Attenuation Rating (PAR) is a single number rating that approximates the
SNR or NRR attenuation values as measured per ISO 4869 or per ANSI S3.19-1974
The PAR expresses the amount of noise reduction – combined for both ears – which the
device under test provides to its user.
13
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the protection is invalid
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24.6.2010 15:33:38