Comprehensive signal detection Quickly determine whether a display defect comes from the host or the monitor, enabling precise troubleshooting and faster repairs. Broad compatibility Compatible with LCD monitors, CRT color monitors, and projectors, making it a versatile tool for a range of and diagnostic tasks. Four resolution modes 640x480, 800x600, 1024x768, and 1280x1024. Switch between modes to match testing needs and target devices. Easy to operate Simply connect the 15 pin connector to the display to power on, then use the intuitive buttons to select signals with ease. Reliable performance in practical scenarios In a to identify whether issues originate from the host or the display. Onsite during installation or equipment upgrades to verify display compatibility with hosts. During component replacement or service to confirm signal path integrity after changes.