AC40 Service Manual
Selecting HDA200 headset
Select "Transducer Setup" (Figure 10)
Select "Headset phone" and select HDA200 headset
Enter the serial numbers for the left and right phones in the field "Left" and "Right"
Calibration of HDA200
Equipment needed for the HDA200 calibrating
Measuring amplifier
Acoustical IEC 60318-1 coupler
Frequency counter
Correction values for coupler
Spacer for HDA200 to coupler IEC 60318-1
Figure 10
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