verse INSIDER Série Manuel De L'utilisateur page 8

In order to set the user equalizer you have to remove the two screws from the
panel shown in the figure below.
10. USER EQUALIZER: 8 DIP switches to
configure the user's equalization. Each
switch cuts or boosts a specific
frequency range as shown in table1,
next page, in order to correct the
overall sound. The frequency response
of the user equalizer is plotted on next
page.
11. GND LIFT: switch that allows the
amplifier ground to be disconnected
from the chassis. However, the speaker
ground connection remains unchanged.
This is useful in situations where
ground loops occur, causing hissing if
more than one device is connected to
the same power supply socket.
INSIDER User's Guide
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