Radio Shack TRS-80 Expansion Interface: Operator's Manual: Catalog Numbers: 26-1140, 26-1141, 26-1142

"Radio Shack TRS-80 Expansion Interface: Operator's Manual" by Anonymous is a technical manual written in the late 20th century. This book serves as an operator's manual for the TRS-80 Expansion Interface, which was designed to enhance the capabilities of the TRS-80 microcomputer. It provides detailed instructions and technical information necessary for users to effectively set up and utilize the expansion interface alongside various compatible modules. The manual outlines the components of the TRS-80 Expansion Interface, including its hardware elements such as power supplies, connection ports, and the ability to add additional RAM. It describes the various expansion modules, such as printers and cassette recorders, that can be connected to the system. Important technical procedures for connecting these devices, as well as setting up and operating the interface, are explained in a straightforward manner. Additionally, the manual includes warnings about compatibility with different levels of BASIC, ensuring users are aware of the necessary configurations required for successful operation. Overall, it serves as a comprehensive guide for TRS-80 users looking to expand the functionality of their systems.