I-Par38 Malsm imele "I-Medium Interity Indlela Yokukhanya Kokukhanya Ngezibani Zezinkomba Zokuqondanisa". Lo mkhiqizo uwusizo lwensimu yendiza esetshenziselwa ukuhlinzeka ukuholwa kanye nokukhonjiswa ngesikhathi sokufika kwezindiza. Imvamisa iqukethe uchungechunge lwamalambu afakwe kuzo zombili izinhlangothi ze-runway ukukhombisa indlela yokusebenzisa futhi ikhombisa ukuqondanisa okuvundlile kwendiza. I-PAR38 ibhekisela ngosayizi nokwakheka kwe-bulb, okuvame ukuba ngomunye wemininingwane yokukhanya kwama-bling ama-par. Lawa ma-bulbs ajwayele ukusebenzisa i-refraction noma aqagele ukuhlinzeka ngemiphumela ethile ye-beam nemiphumela yokukhanyisa.