- Comprehensive signal detection to help you diagnose display defects and determine whether the issue is with the host or the monitor. - Supports multiple display types: LCD monitors, CRT color monitors, and projectors, making it a versatile tool for repair and testing tasks. - Four VGA resolution modes: 640x480, 800x600, 1024x768, and 1280x1024, allowing you to switch between common settings to match your display. - Easy operation: connect the 15 pin connector to your display to power on; select signals quickly with the intuitive buttons. Use scenarios - In a repair shop, quickly determine if a problem lies with the monitor or the host before replacement. - In offices or classrooms, test projectors and displays for compatibility and signal integrity during setup. - For DIY diagnostics, switch between resolutions to evaluate image quality and detect faults.