hello everyone.

recently nagpa-install ako ng 2 din headunit (cheap china touch screen xbtqd na brand) with video sa sasakyan. i also have a reverse/backup camera using a small 4" screen sa dashboard which turns on whenever i put the car in reverse. since may camera input naman yung 2 din hu, i told the installer na baka pwede yung display sa headunit na lang.

my problem is, whenever i reverse at naka-off yung HU, nag-oon yung radio after some time. tapos pag alis sa reverse, mag-off na ulit siya. when i am listening to the radio, ok lang naman. pero nakakagulat siempre when you're expecting na walang tutunog since naka-off.

i have tried different settings on the HU (there are two settings regarding camera and audio, have tried to turn both to off) pero palaging ganun.

may mali kaya sa pagkaka-wire/install? thanks!