Acoustic Solutions SP 101 - Manual (Page 10)

LOUDNESS CONTROL
This amplifi er is fi tted with a loudness control which provides a boost to lower
frequencies at lower listening volumes.
This creates the effect of increasing the perceived amount of bass / mid
content in the music when playing the amplifi er at a lower level. This control is
effective on frequencies between 20Hz and 800Hz and its effect decreases as
the amplifi er volume level is increased. When the amplifi er volume reaches its
maximum, the effect this loudness control has is negligible.
To activate this loudness control press the function key (9) four times to change
the LCD display to the loudness control.
The last setting for loudness will be displayed.
To select the loudness setting turn the rotary control (10) either clockwise or
anticlockwise to change the setting from on to off or vice versa.
Once selected, the loudness feature will activate automatically, there is no
need to press any further buttons to activate this control.
Following this operation, the LCD display will return to indicate the default
volume setting if no operation occurs within 5 seconds. To reactivate loudness
control it will be necessary to press the function button again four times.
SPEAKER ON/OFF CONTROL
This amplifi er is fi tted with a loudspeaker control which allows the loudspeakers
to be turned off when listening through headphones
To activate the speaker control press the function key again fi ve times to
change the LCD display to the speaker control.
The last setting for the loudspeakers will be displayed.
To change this speaker setting turn the rotary control (10) either clockwise or
anticlockwise to change the setting from on to off or vice versa.
As the rotary control is turned from on to off and back again, the loudspeakers
will switch on or off automatically, there is no need to press any further button
to activate this control.
Following this operation, the LCD display will return to indicate the default
volume setting if no operation occurs within 5 seconds. To reactivate the
loudspeaker control it will be necessary to press the function button again fi ve
times.
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