Inokudlulisela imiyalelo yokulawula ukuvulwa / ukuvala ukuvutha kwevalve eshushu kwaye yenza ulawulo lobushushu be-Unile.

Ukufakelwa ngokulula kunye nokufakwa ngokukhawuleza, kulula ukuyisebenzisa, ukunika usapho indawo entle kunye nokunciphisa ukusetyenziswa kwamandla. I-sublerner ngaxeshanye ibonisa i-sublerner ebonakalayo, ukubonelela ngamandla, uphawu lwemveliso kunye nenye imeko yokusebenza kwiscreen ye-LCD, elula kwaye inomdla.