Sony Corporation of America. Sony Video Responder VRS-100 Operating Instructions. Blue cover reveals a B & W photo of the the instrument. Sections within include Warning, Owner's Record, Precautions, Location and Function of Parts with diagrams, Connections with illustrations, Preparation of the Connected Equipment, Operation conveyed by 11 steps and Specifications. The VRS-100 Video Responder is a component of the Video Responder System and is designed to be used by pupils in conjunction with the VRC-100 Cue Programmer.