COMPLETE SIGNAL GENERATOR SET This portable signal generator includes a USB cable and is designed to work with various display devices such as HDTVs, LCD monitors, and CRT projectors, making it an essential tool for troubleshooting display issues. FOUR RESOLUTION MODES Easily switch between four common resolution settings: 640x480, 800x600, 1024x768, and 1280x. Each mode is powered by a 9V battery or an external AC adapter, providing flexibility in use. USERFRIENDLY OPERATION Connect the generator to your display using the 15pin connector and select your desired signal effortlessly. The default color block diagram appears upon startup for immediate testing. COMPACT AND LIGHTWEIGHT DESIGN With dimensions of just 26 mm x 52 mm x 90 mm, this generator is easy to transport and store, making it for technicians or home users needing quick diagnostics. PRACTICAL USE SCENARIOS Onsite troubleshooting during service calls for HDTVs, LCD monitors, or CRT projectors to quickly identify display issues. Quick signal testing during installation or setup of displays in offices or home theaters. Verifying signal paths and color output when configuring multidisplay systems or external projectors.