Asikho isidingo sokudonsa izandla, vula ngokushesha. I-BP4700 ifakwe isisekelo esithuthukisiwe sokunemba okuphezulu kwe-rebound, futhi isakhiwo se-trigger esilungiselelwe izinkulungwane zokuhlola singathwebula ngokunembile izenzo zokucindezela ezicashile, ukukhulula ngokushesha amandla afanele okuphinda abuyele emuva, futhi asunduze umzimba womnyango ukuze uvuleke kahle. Kulula kubantu asebekhulile kanye nezingane ukuba basebenze, futhi kugwema ukuhlukaniswa kwesikhala sisonke ngesibambo, ukuze ubuso befenisha bube nesitayela sokuklama esiphelele nesilula.