Hitec RCD 58310 Trainer Cord One-Way This Trainer Cord will work when hooking up a HiTec Radio (as instructor) to a Hitec Radio (as student) OR a Hitec Radio (as instructor) to a Futaba Radio (as student).;INCLUDES: One One-way Trainer Cord. COMMENTS: If using this Trainer Cord with the Hitec Radio (as instructor) and the Futaba Radio (as student) Hitec recommends removing the crystal from the Futaba Radio and leave the Futaba Radio turned OFF . If using a Futaba Radio (as instructor) w/a Hitec Radio (as student) recommend using a Futaba Trainer Cord.