Renkforce RUSD-SP Operating Instructions Manual page 42

DISP button (9)
With this button various information can be displayed on the display (10). Press the button once more to
move to the next display.
This function can be called by keeping the BD (6) key pushed.
When the button is not activated anymore, the display returns to the original information after a little
while.
RESET function
This function resets all settings to factory settings.
Push this RESET button with a pointy object (e.g. a ball point pen tip) in the following cases:
- when you have completed the installation and connection
- when the car radio does not react to the operation of buttons anymore
- when the display shows undefined characters
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