Land Rover Repair: radio code after battery change, minute time delay, disco radio

Question
Sorry, 98 RR 4.0 SE.  The radio has a tape deck and 6 CD changer in the cargo space, and a label that says "Diversity" and Land Rover on the face placte.

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Followup To

Question -
battery was just replaced now I see the CODE message...I have a 99 manual book which show a different stereo that the 98...where do you find the 4 digit code? Is it on the key fob? I accidently put in 4 "1"s...how do I clear it? PRess/hold "Band" like the Disco radio to clear?

Answer -
Ok, but what type of vehicle? Or can you give me mor information of the audio entertainment?

Answer
Quotations of the manual:

NOTE: If an incorrect code is entered, a one
minute time delay is imposed before a
second code can be attempted. Each time a
wrong code is entered, the time delay
doubles (2 min, 4 min, 8 min, etc.) making
theft a very unattractive proposition.

ENTERING THE SECURITY CODE
If the code has not already been entered, or
power to the set has been interrupted, the
code MUST be entered before the set will
operate. Enter the code as follows:
• Switch on the radio (’CODE’ appears in
the display). Press pre-set button 1.
• Press either the up or down tuning button
(highlighted in illustration) until the first
digit of the security code appears in the
display. Press pre-set 1 to store the first
digit in the unit’s memory.
• Use either tuning button to select the
second digit of the code (correct digit
appears in the display). Press pre-set 1 to
store the second digit.
• Select the third digit, again using the
tuning buttons (until the correct digit is
displayed). Press pre-set 1 to store the
third digit.
• Select the final digit (the display now
shows the full four digit code). Press
pre-set 1 to store the final digit.
If the correct code has been selected, a
two-tone bleep sounds and the radio will
operate.

NOTE: If an incorrect code has been entered,
the first time delay period commences.
During the delay period, ’WAIT’ appears in
the display - DO NOT switch off. At the end
of the delay period, ’CODE’ reappears in the
display and you can then enter the correct
code. Remember; the time delay period
doubles each time an incorrect code is
entered.