Hi wondering if anyone can help I've got a 1985 Honda CG motorbike and when I put my full lights on its fine?

Hi wondering if anyone can help I've got a 1985 Honda CG motorbike and when I put my full lights on its fine?
Added (1). Then when I put them on the setting below and press the brakes the parking lights lights up then when their off they are nots upload to go on but when I press it the parking light lights up and I'm confused to why? Any answers or information much appreciated

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