1. Switch on radio (CodE appears on display). Press pre-set button 1.
2. Press one of the two tuning buttons to select the first digit of the security code. Press pre-set button 1 to store the first digit in the unit's memory.
3. Use either tuning button to select the second digit of the code. Press pre-set 1 to store the second digit.
4. Select the third digit, again using the tuning buttons. Press pre-set 1 to store the third digit.
5. Select the final digit (the display will now show the full four digit code). Press pre-set 1 to store the final digit.
