COMPLETE SIGNAL GENERATOR SET Portable and versatile tool for display testing Includes a USB cable and is designed to work with HDTVs, LCD monitors, and CRT projectors Helps diagnose and troubleshoot display issues quickly and accurately FOUR RESOLUTION MODES Switch between 640x480, 800x600, 1024x768, and 1280x1024 Each mode can be powered by a 9V battery or an external AC adapter for flexible use USERFRIENDLY OPERATION Connect to the display using the 15pin connector Select your desired signal with simple controls Default color block diagram appears on startup for immediate testing COMPACT AND LIGHTWEIGHT DESIGN Dimensions: 26 mm x 52 mm x 90 mm Easy to transport and store, ideal for technicians or home users needing quick diagnostics Practical use scenarios In a tech , rapidly test and compare signal compatibility across different display types (HDTVs, LCDs, projectors) to identify issues Onsite installation or setup of classrooms, conference rooms, or home theaters to verify correct resolution and signal integrity Field service calls for signage or display installations where portable testing is required to confirm performance before final setup