ESN security operating procedure 103 How to cancel the Key CDA [SEC] message appears, then intwo seconds it will change to [DISC].The front panel opens; TheCD5425E is now ready for your KeyCD in the CD slot.ATTENTIONIf a CD has already been inserted, a[SEC] message appears, and then thefront panel opens and the CD isejected.A [CANCEL] message appears, thenthe Key CD is ejected.The Key CD is cancelled.ATTENTION• This process cancels theprotection for ESN deck.• If power to the ESN deck isdisconnected, then reconnected, aKey CD will not need to beinserted in order to return the unitto normal operation.• Inserting a CD other than the KeyCD will not cancel the protection.Instead, the display [ERR] for twoseconds, then the normal CDplayback mode will activate.The front panel closes.How to change the Key CDRefer to "How to cancel the Key CD".Refer to "How to program the KeyCD".How to resume normal operation(ESN security lock out)If power is disconnected while ESN securityis active (a Key CD was programmed),operation is disabled until power is restoredand the unit unlocked. Follow this procedureto resume normal operation.If the correct CD is inserted, an [OK]message will appear for two secondsand the CD will begin playing.1 Check that the unit is in standby.2 Press and hold the [FUNC]button, then button [6], and holdboth for more than one second.3 Press the [CD ] button.4 Insert your Key CD into the slot.5 Press the [CD ] button.1 First, cancel the existing Key CD.2 Next, program a new Key CD.1 When the power is turned on afterdisconnecting the battery power,a [SEC] message will appear fortwo seconds. Thereafter,message changes to [DISC] andthe press the [CD ] button, thenthe CD5425E is ready to acceptyour Key CD into the slot.2 Insert your Key CD.VIII