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Additional information for hearing aid acousticians
Adjustments for hearing disabilities
Attention:
In order to ensure interference-free reception, only use the potentiometers shown below.
Turn the operating control fully to the left (0). Remove the
operating control by carefully lifting it over the "guide
notch" on the inside. Use the 4 potentiometers on the
circuit board to individually adjust the max. volume and the
bass response for the left and right headphone system.
Adjusting the max. volume:
Potentiometer turned fully to the left
Potentiometer turned fully to the right
Adjusting the bass response:
Potentiometer turned fully to the left
Potentiometer turned fully to the right
18
Bass response L
0 dB
125 dB
Max. volume L
attenuation of 25 dB at 100 Hz
attenuation 0 dB
Bass response R
Max. volume R
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