These Three Downloadable Files Contain: Original G500 Operating Guide (Owners Manual) 18 Pages: G500 Trans-Oceanic Operating Instructions Battery Operation Light Socket Operation Standard Broadcast Shortwave Reception Log of U.S. Stations World Wide Time Map Short Wave Station Log Warranty Original Factory Service Schematic for the G500 (Chassis 5G40) 3 pages: Original Zenith 5G40 Chassis Schematic Detailed Parts List Service Notes Dial String Diagram Trimmer Location Drawing Alignment Procedure Chart Complete Updated Service File for the G500 (Chassis 5G40) 7 pages Updated Schematic Dial Cord Diagram 4 Chassis Photos Showing Component Locations Alignment Instructions Parts List With Descriptions