The AVLink PG-3D1X is an advanced SDI pattern generator for checking the transmission of the coaxial cable laid in a 3G-SDI system and designing to be a useful tool for the new generation of digital video/monitor products. It supports multi-format (PG-3D1X>3G/HD/SD, PG-HD1X>HD/SD) and multi-pattern up to 8 patterns for you to test and calibrate a digital video/monitor.