Panasonic WH-R17C Operating Instructions Manual page 50

Performance
Standard type
 AGC Steady state input-output
characteristics
According to IEC 60118-7:2005
110
100
90
80
70
50 60 70
Input Level [dB SPL]
50
(Continued)
 AGC input-output characteristics (input-
output curve)
According to ANSI S3.22-2003 (Includes April 2007 Erratum)
80 90
110
100
90
80
70
50 60 70 80 90
Input Level [dB SPL]