Uhlelo lwe-HK flip-up lunomsebenzi webhafa kabili. Uma iphaneli yomnyango ivulwa i-engeli engu-60°±15° noma ngaphezulu, ingahambisa kunoma iyiphi indawo, ivuleke kalula futhi ivale ngobumnene, ivumele ukufinyelela kalula ezintweni eziphakeme. Ingahlakazwa ngokushesha ngaphandle kwamathuluzi.