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Mend Grundig 3000 Audio Stereo Input

How to input 0 in the code for my traffic 3000 car stereo?

I have just retrieved my code 6640 but there is no 0 on the panel?

Jamie Walker
October 2007
use 1234 for the 4 numbers push button 1 4 times for four then button 2 7 times for seven etc etc when you have right code push button 5

daeeen
February 2008

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