The Digital Hornby Select Unit Operators Manual is a crucial guide for operating model railways and trains with Hornby digital controllers. This manual is designed specifically for use with Hornby units, providing detailed instructions and guidance on how to control and operate model trains with precision and ease. Whether you are a beginner or a seasoned collector, this manual will help you make the most of your Hornby digital control system and ensure smooth and enjoyable operation of your model railway. Sold as seen. Thanks for looking!