Interacoustics OtoRead Instructions For Use Manual page 55

OtoRead™ Instructions for Use - US
Reference equivalent threshold values for transducer
Output
Frequency (Hz) Frequency (Hz)
732.4
1037.6
1464.8
2075.2
2929.7
4150.4
5859.4
Pin assignments
The probe connector pin out:
Pin 1 Rcvr +
Pin 2
Rcvr Shield
Pin 3 Rcvr -
Pin 4 Reserved
Pin 5
Shield
Pin 6 Reserved
Pin 7
Mic Power +
Pin 8 Mic Shield
Pin 9 Mic Out
Pin 10 Mic Power -
Table 2: Frequency and Intensity with G.R.A.S. RA0045 OES
Minimum Maximum
Frequency (Hz)
727 737
1033 1043
1460 1470
2070 2080
2925 2935
4145 4155
5855 5865
Table 3: Probe Nominal Sound Channel Magnitudes in dB SPL
Frequency [Hz]
732.4
1037.6
1464.8
2075.2
2929.7
4150.4
5859.4
Type A receptacle HDMI (female)
Minimum
Magnitude (dB SPL)
83
85
88
92
92
85
76
IEC 60711, RA-0045
88.0
90.0
93.5
97.8
97.8
90.6
81.9
Pin 11 Unused
Pin 12
Unused
Pin 13 Unused
Pin 14 Reserved
Pin 15
Comm Power
Pin 16 Comm Data
Pin 17
Ground
Pin 18 +3.3V
Pin 19 Ground
Page 49
Maximum
Magnitude (dB SPL)
93
95
98
102
102
95
86