Three Channel Wireless System for Lens and Camera Control Hand Unit 3 The FI+Z System diagram shows typical system configurations.     Micro Force Zoom Controls V+F3 for Analog motors DMF2 for Digital Motors Both work with FI+Z Hand Unit F/I Wireless Control For One Channel Focus or Iris Use as separate Focus/Iris control with FI+Z Hand Unit Radio Micro Force Module Use as separate zoom control with FI+Z Hand Unit or V+F Lens Control     Single Channel Motor Drivers for Video and Film Cameras. Wireless Version Cable Only Version Single Channel System Diagram     DM1x DM2 DM4     Works with: Hand Units HU3, Focus/Iris, Radio Micro Force. Controls the internal lens motors of a single lens.     Works with: Hand Units HU3, Focus/Iris, Radio Micro Force. Controls the internal lens motors of a stereo lens pair.     Micro Force FI+Z