Becker Mexico CC4325 Operating Manual page 30

By repeatedly pressing the right rotary control, the following information can
be requested in the service menu.
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In order to select the service menu, press
8 seconds of switching on) until
On selection of menu function
formed after actuation of multifunction button " ".
The unit must be switched off in order to quit the service menu.
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display of model number
display of serial number
display of software status
reset triggering for CDW or MDW
display of current GAL adjustment
data from CD drive (if present)
is displayed.
, CD/MD changer reset is first per-
button repeatedly (within