Simply enter the 4-digit code using the preset buttons in sequence (e.g., press '1', then '2', then '3', then '4'). The unit should unlock automatically.
AM/FM tuner with presets and an auto-reverse cassette deck. clarion pu-9469a
Maintaining a vintage unit like the PU-9469A requires specific technical knowledge: 1. Security Code Entry If the battery is disconnected, the unit will lock. Simply enter the 4-digit code using the preset