Sennheiser Set 820 S - Manual (Page 44)

18
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
0 dB
Potentiometer turned fully to the right 125 dB
Adjusting the bass response:
Potentiometer turned fully to the left
attenuation of 25 dB at 100 Hz
Potentiometer turned fully to the right attenuation 0 dB
Max. volume R Max. volume L
Bass response R Bass response L
Set 820 S_511981_0106_Sp7.book Seite 18 Freitag, 9. Januar 2009 8:23 08