hiwatch hwi-d640h-z

Hello friends, I would like to ask you for your help. We bought Hikvision DS-7732NI-I4/16P NVR and HiWatch HWI-D640H-Z cameras. We already managed to get the cameras working, but we are no table to pan/tilt/rotate them, or at least I am clueless how to do that. In PTZ section of NVR interface...