4. Table of ContentsPLM+ SERIES Quick Start Guide rev 3.0.2 154. Table of Contents1. Important safety instructions 32. Approvals 33. Warnings 33.1. Explanation of warning symbols 33.2. Warnings 33.3. Caution 43.4. User responsibility 43.4.1. Mains connection grounding 43.4.2. Speaker output hazard on amplifiers 43.4.3. Radio interference 43.4.4. Speaker damage 43.4.5. Maintenance 45. Introduction 175.1. Welcome 176. Feature summary 176.1. Amplifier Platform Features 176.2. Lake Processing Features 187. Installation 187.1. Unpacking 187.1.1. Included in the box 187.2. Mounting 197.2.1. Rear Mounting 198. Cooling and fan operation 20