Volvo 2008 C70 - Manual (Page 211)

10 Infotainment system
210
Audio functions
10
This calibration takes into account loud-
speakers, amplifiers, passenger compart-
ment acoustics, listener position etc. for each
combination of car model and audio system.
There is a also a dynamic calibration that
takes into account the position of the volume
control, radio reception and vehicle speed.
The controls explained in these operating
instructions, e.g.
Bass , Treble and Equal-
izer , are only intended for the user to be able
to adapt the sound reproduction according
to personal taste.