This document provides an installation and operation guide for the AJA Hi5-3D HD-SDI Multiplexer to HDMI 1.4a and SDI Video and Audio Converter. The guide summarizes the product's features and capabilities, describes how to install and connect the device, and explains how to use the Mini Config software to configure settings through a computer. Mini Config allows managing input/output signals, firmware updates, and saving/recalling presets for different applications.