Opel CD 70 Manual page 87

Setting Bass and Treble
The settings apply to the currently
selected audio source and are stored
separately for FM, AM, DAB (if
available) and CD changer.
1. Select the menu item Treble -
Bass.
2. Select Bass or Treble.
3. Turn the multifunction knob until
the desired value is set.
4. Press the multifunction knob.
Bass tones are automatically
adjusted to the driving speed to
compensate for rolling and ambient
noise. The setting cannot be
changed.
Setting the volume distribution
between right - left
1. Select the menu item Balance -
Fader.
2. Select menu item Balance.
3. Turn the multifunction knob until
the desired value is set.
4. Press the multifunction knob.
Setting the volume distribution
between front - rear
1. Select the menu item Balance -
Fader.
2. Select menu item Fader.
3. Turn the multifunction knob until
the desired value is set.
4. Press the multifunction knob.
Subwoofer
(if available)
Use this function to adjust the volume
for the separate bass speaker, if
applicable.
1. Select menu item Subwoofer.
2. Turn the multifunction knob until
the desired value is set.
3. Press the multifunction knob.
The Sound menu is displayed.
Position
Use this function to optimise the
surround sound (running times,
frequency response and volume)
using preset values.
Select menu item Position.
Introduction
The following options are available:
■ Driver: Optimisation of surround
mapping for the driver.
■ Front: Optimisation of surround
mapping for the front seats.
■ All positions: Optimisation of
surround mapping for all seats.
Select the desired option.
Sound
If you prefer a preset sound style
there are five options to select from.
Select menu item Sound.
The following options are available:
User (user-defined sound colour, see
Equalizer, Jazz, Speech, Pop,
Classic, Rock.
Activate the desired sound style.
Equalizer
With this function, you can alter
7 sound frequencies (7 band
equalizer).
Please note that any sound
optimisations you have made are
cancelled.
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