treble. Press the button back in when you have made the adjustment.
Band selector
Turn "SOURCE" knob to select FM or AM. The station and wavelength are displayed. You can also
select cassette deck, CD or optional CD changer with this knob.
Active sound control (ASC)
The ASC (Active Sound Control) automatically adapts volume to vehicle speed.
Press the ASC button (HU-611) or the PTY button (HU-801) for several seconds to switch this
function ON or OFF.
This function is included in the Advanced User Mode on the HU-801 equipped with this feature.
"ASC ON" or "ASC OFF" will be shown in the display for several seconds.
Fader - Balance front/rear
Adjust front/rear speaker balance by pressing the button to extend the control and turning it to the
left (more sound from the rear speakers) or to the right (more sound from the front speakers). A
"detent" indicates "equalized" balance. Press the button back in when you have made the adjustment.
Balance right/left
Adjust left/right speaker balance by pressing the button to extend the control, pulling it out as far as
possible and then turning it to the left (more sound from the left speakers) or to the right (more sound
from the right speakers). A "detent" indicates "equalized" balance. Press the button back in when you
have made the adjustment.
A - Setting station
Press the left side of the button to select lower frequencies and the right side for higher frequencies.
Set frequencies are displayed.
pg. 139 Audio systems HU-611/HU-801
Page 4 of 8
2003 Volvo S80
8/10/2005
http://apps.volvocars.us/ownersdocs/2003/2003_S80/03s80_10a.htm