Tone; Adjusting The Treble (Treb) And Bass (Bass); Adjusting The Left/Right Volume Balance (Bal) And The Front/Rear Balance (Fad); Switching The Loudness (Ld) On And Off - Bosch Dover USB40/80 Operating And Installation Instructions

Tone

Tone
Adjusting the treble (TREB) and
bass (BASS).
f Press the AUD 9 button to open the
menu.
f Press the AUD 9 button repeatedly until
"BASS" or "TREB" appears on the display
along with the current setting.
f Turn the volume controller 1 to the left
or right in order to set bass or treble levels
to between +7 and -7.
In order to leave the menu
f press the AUD 9 button, repeatedly if
necessary.
Adjusting the left/right volume
balance (BAL) and the front/rear
balance (FAD)
f Press the AUD 9 button to open the
menu.
f Press the AUD 9 button repeatedly until
"BAL" or "FAD" appears on the display
along with the current setting.
f Turn the volume controller 1 to the left
or right in order to set the volume balance
to between +10 and -10.
In order to leave the menu
f Press the AUD 9 button, repeatedly if
necessary.
Note:
The "FAD" adjustment is only
available on the
7 620 000 120 / 122 devices.
Robert Bosch Car Multimedia GmbH
Switching the loudness (LD) on
and off
f Press the AUD 9 button to open the
menu.
f Press the AUD 9 button repeatedly until
"LD" appears on the display, along with
the current setting, "ON" or "OFF".
f Turn the volume controller 1 to the left
or right in order to switch the loudness on
or off.
In order to leave the menu
f Press the AUD 9 button, repeatedly if
necessary.

Resetting the tone

You can reset all the tone adjustments to their
factory default settings.
f Press the AUD 9 button to open the
menu.
f Press the AUD 9 button repeatedly until
"RESET N" appears in the display.
f Turn the volume controller 1 to the right
in order to select "RESET Y".
After about 2 seconds all the tone adjustments
will be reset.
In order to leave the menu
f Press the AUD 9 button, repeatedly if
necessary.
Note:
You can reset the tone adjustments at
any time, by holding down the AUD ;
button for longer than 2 seconds.
This only resets the treble and bass
adjustments for the audio source
being used at the time.
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