POI sounds on Medion Navigator 4.75

[SpacedMan]

Does anyone know why the voices from Medion Navigator 4.75 and sounds from POI Warner clash.

I'm new to this and this problem is driving me nuts.

When Navigator is telling me where to turn and POI warner is trying to tell me about a camera at the same time the 2 sounds clash and all I get is a loud noise like it's comming over a VHF radio.

Surley one should take over from the other ( navigator should block the POI sound? ).

Can anyone help?

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