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ESN (Key CD) security operating procedure
16
ESN (Key CD) security operating
procedure
How to program the Key CD
1 .
Turn off the main unit power.
2 .
Press and hold button [1], 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 CD3431 is now ready to accept your Key CD in the
CD slot.
3 .
Insert the CD into the slot.
A [SEC] message appears, the Key CD is ejected.