Selecting Ear3A Insert Phone - Interacoustics AC40 Service Manual

AC40 Service Manual

Selecting EAR3A Insert phone

Select "Transducer Setup" (Figure 18)
Select "Insert phone" and select EAR3A
Enter the serial numbers for the left and right phones in the field "Left" and "Right"
Calibration of EAR3A
Equipment needed for calibration of EAR3A:

Measuring amplifier

Acoustical IEC 60318-5 (IEC126) coupler

Frequency counter

Correction values for coupler

30° adaptor cable
Figure 18
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