Vauxhall Astra GTC Infotainment Manual page 20

Setting the volume distribution
between front - rear
Select Fader.
Set the desired value.
Setting the volume distribution
between right - left
Select Balance.
Set the desired value.
Setting an individual setting to "0"
or "Off"
Select the desired option and press
and hold the multifunction knob for
a few seconds.
Setting all settings to "0" or "Off"
Press and hold the TONE button for
a few seconds.
Introduction
Optimising the tone for the style of
music
Select EQ (Equalizer).
The displayed options offer optimised
bass, middle and treble presettings
for the relevant style of music.
Select the required option.
CD 300 / CD 400
In the tone settings menu the tone
characteristics can be set differently
for each radio waveband and each
audio player source.
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