Multicore Studio Interface Unit Enables Studio/EFP Operation 26-pin Connector For GY-HM790 Camcorder JVC's KA-M790 is a small and compact interface unit that enables Studio/EFP operation. If differs from the interface used with the GY-HD250 system in that all studio functions are now contained within a single unit attached to the camera body. The GY-HM790/KA-M790...