Operation Procedure

1. Turn ignition switch to the ON position.
2. Turn the audio unit off.
3. Press "PWR" button while pressing "MENU", "1" and "5" buttons. When the self-diagnosis mode is started, a short beep will be heard.
   Fig 1: Identifying PWR, MENU, 1 & 5 Buttons

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4. Initially, Audio software version is displayed.
   Fig 2: Identifying Audio Software Version Display

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5. Press the "PWR" button to display the audio CD changer version. If audio CD changer is not connected, "FF" is displayed.
   Fig 3: Identifying Audio Software Version Display

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Finishing Self-diagnosis Mode

Self-diagnosis mode is canceled when turning ignition switch OFF.