ESN security operating procedure
Button [6]
[FUNC] button
How to operate the ESN (Key CD) security
How to program the Key CD
1Check that the Power is OFF.
2Press and hold button [6], 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 CD3424 is now ready to accept your Key CD in the CD slot.
If a CD has already been inserted, a [SEC] message appears, ATTENTION and then the CD is ejected.
3Insert the CD into the slot.
A [SEC] message appears, then the Key CD is ejected.
•If there is a problem with the inserted CD, an [ERR] message ATTENTION 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.
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