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ESN (Key CD) security operating procedure
How to change the Key CD
First, cancel the existing Key CD.
1
Refer to “How to cancel the Key CD.”
Next, program a new Key CD.
2
Refer to “How to program the Key CD.”
How to resume normal operation
(ESN security lock out)
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 CD8053 is ready to accept your Key CD into the
slot.
1
Insert your Key CD.
2
If the correct CD is inserted, an [OK] message will appear for
two seconds and the CD will begin playing.
ATTENTION
•If an incorrect CD is inserted, an [ERR] message will appear
for two seconds, after which the CD will be ejected.
•You must use the same CD used for Key CD programming;
a duplicate CD may not work properly.