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Time to play with an ohm-meter, I imagine. Measure the resistance values reported for each button on the device, and compare those with what the Empeg (tuner) expects.


I was thinking of doing that, and now I know what figures to look for, thanks.

But, what would be the best explanation for the fact that a real Sony radio interprets the values right as they are?

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Or just use the supported Sony RM-X4S stalk.


I remember having seen one in a sellout. I didn't buy it, because it would require me to drill a hole on a very visible place in my leased car. But I regret I didn't buy it, it would have been nice to have one for a reference.

Pim