third stream

Hi, Is there any way that i can setup a third stream for my Hikvision DS-7208HTHI-K2 8 Channel DVR? I have 8 x 4K / 8MP cameras that are on 4K / 8MP @ 12FPS for my main stream and then i have a sub stream set around 960 x 480 @ 6FPS. But ideally, i would like a third stream set to 1080p / 2MP...