Selecting Cir22/Cir33 Insert Masking Transducer - Interacoustics AC40 Service Manual

AC40 Service Manual

Selecting CIR22/CIR33 Insert masking transducer

Select "Transducer Setup" (Figure 26)
Select "Insert masking transducer" and select CIR22/CIR33
Calibration of CIR22/CIR33
Equipment needed for calibrating the CIR22/CIR33:

Measuring amplifier

Acoustical IEC 60318-5 (IEC126) coupler, fitted with Eartip 10

Frequency counter

Correction values for coupler
Figure 26
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