AVMATRIX PKC1000 3D Joystick PTZ Camera Keyboard Controller RS-232/422/485 Communication The PKC1000 PTZ Camera Keyboard Controller from AVMATRIX can be used to control up to 255 PTZ cameras. This keyboard and joystick controller supports VISCA, Pelco-D, and Pelco-P protocols. Its joystick can be used to pan, tilt, and zoom, and it features infinitely variable speed control. For AVMATRIX PTZ Cameras Control up to 255 AVMATRIX PTZ cameras 3D Joystick Keyboard and joystick controller