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 practical tool for troubleshooting display issues. Four resolution modes Choose from 640x480, 800x600, 1024x768, and 1280x1024. Each mode is powered by a 9V battery or an external AC adapter for flexible use. Userfriendly operation Connect the generator to your display using the 15pin connector and select your desired signal with ease. The default color block diagram appears at startup for immediate testing. Compact and lightweight design Dimensions: 26 mm x 52 mm x 90 mm. Its small size facilitates easy transport and storage, suitable for technicians and home users who need quick diagnostics. Typical applications In a : verify signal compatibility and troubleshoot display issues across multiple screen types during servicing. Onsite installation or calibration: test projectors and displays in classrooms, conference rooms, or event venues to confirm supported resolutions and signal paths. Home testing and hobbyist use: perform quick diagnostics and confirm display resolution compatibility for setups.