... RS485, the Keyboard can switch between cameras freely, control the Auto/manual, set parameters and lens. Multi ... can be controlled uniformly by network, also the control of single DVR and Multiple DVRs can be ... in the menu of keyboard. 5). PTZ control and DVR control can be switched by a keystroke.6.). ... : PTZ 255 -9999 DVR: 1-999Rocker: 3D, control PTZ (pan/tilt/zoom)Keystroke: 35 pcsPower: AC/DC ...