Sennheiser Set 810 S Bedienungsanleitung Seite 43

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:
SET 810 S
volume L
0 dB
125 dB
bass L
bass R
attenuation of 25 dB at 100 Hz
attenuation 0 dB
volume R
17