
ESN (Key CD) security operating procedure
18
• This process cancels the protection for the ESN
deck.
• If power to the CD3421 is disconnected, then
reconnected, a key CD will not need to be inserted in
order to return the unit to normal operation.
• Inserting a CD other than the Key CD will not cancel the
protection. Instead, the display will show [ERR] for two
seconds, then the normal CD playback mode will activate.
■
How to change the Key CD
1 .
First, cancel the existing Key CD.
Refer to “How to cancel the Key CD.”
2 .
Next, program a new Key CD.
Refer to “How to program the Key CD.”
Summary of Contents for CD3421
Page 57: ...57 If you have a question ...
Page 58: ...If you have a question 58 ...
Page 65: ...65 Mounting instruction System ...
Page 66: ...Mounting instruction 66 ...
Page 67: ...67 Mounting instruction ...
Page 68: ...Mounting instruction 68 1 4 ...
Page 69: ...69 MEMO ...
Page 70: ...MEMO 70 ...