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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.
First, cancel the existing Key CD.
Refer to “How to cancel the Key CD.”
Next, program a new Key CD.
Refer to “How to program the Key CD.”
2
1
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.
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 CD3404 is ready to accept your Key CD into the
slot.
Insert your Key CD into the slot.
If the correct CD is inserted, an [OK] message will appear
for two seconds and the CD will begin playing.
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1
How to resume normal operation (ESN security lock out)