
ESN (Key CD) security operating procedure
[FUNC] button
Button [1]
•If there is a problem with the inserted CD, an [ERR] message will appear for two seconds and the CD will be ejected. Reinsert the ejected CD.
•If a CD causes the [ERR] message to appear twice in a row, a [CHANGE] message will appear for two seconds. Try another CD.
•The Security indicator will flash whenever the vehicle’s ignition is switched off.
■How to cancel the Key CD1.Turn off the main unit power.
2.Press and hold button [1], then the [FUNC] button, and hold both for more than one second.
A [SEC] message appears, then in two seconds it will change to [DISC].
The CD3431 is now ready to accept your Key CD in the CD slot.
3.Insert your Key CD into the slot.A [CANCEL] message appears, the Key CD is ejected. The Key CD is cancelled.
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