Руководство Проекц (высокий)

Wall manual projection screen Features: 1) Standard design for wall and ceiling mounting 2) Silver plated aluminum housing 3) The screen is equipped with a perfect roll in-out device Screen surface ----Screen surface on fabric base;----Black border:L, R, T, B, stand for Left, Right, Top, Bottom;----1:1 Size up to 240cm,Only 3cm for L & R;----Size bigger than 240cm,Only 5cm for L & R;----4:3 Size up to 240cm,3cm for L & R & B, 5cm for T;----Size bigger than 240cm,5cm for 4sides;----16:9 Size up to 240cm,25cm T and 3cm for L, R, B;----Size bigger than 240cm,25cm T and 5cm for L, R, B;