Pressalit PLUS 310/450 Instrucciones De Uso Y Mantenimiento página 19

Adjusting the seat and the backrest
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To adjust upwards, pull the shower seat upwards .
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To adjust downwards, pinch the locking button ① and hold it closed while
moving shower seat down . Release the locking button to secure the shower
seat in place .
Make sure that the locking button pin is engaged
in the notch .
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