Dolby Surround Pro Logic Ii; To Select Dolby Surround Pro Logic Ii; Bass Speaker - Subwoofer; Equalizer Front/Rear - Volvo S40 2005 Owner's Manual

2005 Volvo S40
The level for the subwoofer can only be set if SUBWOOFER is activated in the menu.
3-channel mode is recommended for AM/FM radio broadcasts.

Dolby Surround Pro Logic II

Dolby Surround Pro Logic II together with a center speaker in the dashboard offers you a sound
experience very close to a live performance. The normal left-right stereo channels are divided to left-
center-right. In addition, surround sound is produced by the rear speakers. This surround sound mirrors
the ambience of a concert hall. Dolby Surround Pro Logic II functions in CD, AM, and FM modes.
NOTE:
Dolby Surround Pro Logic II is only available on the Premium Sound system.
Weak and/or distorted radio signals can cause static in Dolby Surround Pro Logic II mode. 3-channel
mode is recommended in such cases.

To select Dolby Surround Pro Logic II:

1. Press MENU.
2. Select the menu for relevant sound source and press ENTER.
3. Select AUDIO SETTINGS from the menu and press ENTER.
4. Select SURROUND AM/FM or SURROUND CD and press ENTER.
5. Select PRO LOGIC II, 3 CHANNEL or OFF and press ENTER The symbol Dolby PL II is shown in
the display if Pro Logic II has been selected. 3 CH is shown in the display if 3 CHANNEL has been
selected. OFF means the audio system is in normal stereo mode.
Dolby Surround Pro Logic II and the Dolby icon are trademarks of Dolby Laboratories
Licensing Corporation. Dolby Pro Logic II Surround System is manufactured under license from Dolby
Laboratories Licensing Corporation.

Bass speaker - SUBWOOFER

(accessory)
The subwoofer helps the system provide fuller sound and deeper bass.
To switch the subwoofer on or off:
1. Press MENU.
2. Select the menu for relevant sound source and press ENTER.
3. Select SUBWOOFER and press ENTER. A check in the box in the display indicates that
SUBWOOFER is activated.

Equalizer Front/Rear

This function is used to fine-tune the sound from the front and rear speakers.
NOTE: This function is only available on certain sound systems.
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