- COMPLETE SIGNAL GENERATOR SET: This portable signal generator includes a USB cable and is designed to work with HDTVs, LCD monitors, and CRT projectors, making it a reliable tool for diagnosing 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 for flexibility in use. - USER-FRIENDLY OPERATION: Connect the generator to your display using the 15-pin connector and select your desired signal. The default color block diagram appears on startup for immediate testing. - COMPACT AND LIGHTWEIGHT DESIGN: Dimensions are 26 mm x 52 mm x 90 mm, enabling easy transport and storage. Ideal for technicians or home users needing quick diagnostics. - PRACTICAL USE SCENARIOS: - Field service: diagnose and isolate issues on customer displays across HDTVs, LCDs, and projectors. - Workshop testing: verify monitor or projector setups before deployment with known resolutions. - On-site presentations: confirm source and display compatibility, ensuring correct resolution settings for reliable playback.