Selecting Dd45 Headset - Interacoustics AC40 Service Manual

AC40 Service Manual

Selecting DD45 headset

Select "Transducer Setup" (Figure 6)
Select "Headset phone" to select DD45 headset
Enter the serial numbers for the left and right phones in the field "Left" and "Right"
Calibration of DD45
Equipment needed for DD45 calibration:

Measuring amplifier

Acoustical IEC 60318-3 (IEC 303) coupler

Frequency counter

Correction values for coupler
Figure 6
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