2. Ọdịdị na mmetụ ọgụgụ isi:
(1) Ngosipụta etiti 12mm dị warara nke nwere akụkụ atọ, ọdịdị oyi.
(2) N'ihu-ikepụ elu-nkenke infrared mmetụ aka, mmetụ aka ziri ezi nke ± 2mm, nkwado 20-point touch, elu uche.
(3) Site na interface OPS, enwere ike ịgbasa sistemụ abụọ.
(4) A na-edobe oghere na ndị na-ekwu okwu n'ihu, yana mmepụta ọdịyo dijitalụ.
(5) Na-akwado mmetụ ọwa zuru oke, ịgbanwee ọwa mmetụ akpaka, njirimara mmegharị ahụ.
(6) Njikwa ọgụgụ isi, njikwa ime obodo jikọtara ya na igodo ụzọ mkpirisi kọmpụta, nchebe anya nwere ọgụgụ isi, ịgbanye ma gbanyụọ otu bọtịnụ.