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ESN security operating procedure
ATTENTION
•If an incorrect CD is inserted, an [ERR_] ("ERR" and error
number) message will appear for two seconds, after which the
CD will be ejected.
•If [ERR5] (the 5th time an error has occurred) appears, [HELP]
will appear, after which the CD will be ejected. When [HELP]
appears, carry out the operations for an ESN security lock out
by following the procedure in "What happens if an incorrect CD
is inserted?" (See next page).
•You must use the same CD used for Key CD programming; a
duplicate CD may not work properly.
How to change the Key CD
If power is disconnected while ESN security is active (a Key
CD was programmed), operation is disabled until power is
restored and the unit unlocked. Follow this procedure to
resume normal operation.
How to resume normal operation (ESN security lock out)
First, cancel the existing Key CD.
1
When the power is turned on after disconnecting
the battery power, a [SEC] message will appear for
two seconds. Thereafter, the message changes to
[DISC] and the CD5405 is ready to accept your Key
CD into the slot.
1
Next, program a new Key CD.
2
Refer to “How to program the Key CD.”
Insert your Key CD into the slot.
2
If the correct CD is inserted, an [OK] message will
appear for two seconds and the CD will begin playing.
Refer to “How to cancel the Key CD.”